AS2333 DIODES | Alldatasheet

Document overview

  • Manufacturer or author: Diodes Incorporated
  • PDF pages: 16

Technical content

Features

  • Low Input Offset Voltage: 8μV (typ)
  • Zero Drift: 0.02μV/°C (typ)
  • 0.01Hz to 10Hz Noise: 1.1μVPP
  • Low Quiescent Current: 12μA per Amplifier
  • Supply Voltage: 1.8V to 5.5V
  • Rail-to-Rail Input and Output
  • Bandwidth 350kHz
  • Slew Rate 0.12V/μs (typ)
  • MSOP-8, SO-8, and U-DFN3030-8 (Type E) Packages
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen- and Antimony-Free. “Green” Device (Note 3)
  • For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/ Pin Assignments 8OUTA -INA +INA OUTB -INB +INB Exposed Thermal Pad

Applications

  • Battery-Powered Instruments
  • Handheld Test Equipment
  • Medical Instrumentation
  • Sensor Signal Conditioning
  • Low Voltage Current Sensing Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen - and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. (Top View) SO-8/MSOP-8 (Top View) U-DFN3030-8 (Type E)

Document number: DS42770 Rev. 3 - 2 2 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333 Typical Application Thermistor Measurement Low-Side Current Monitor Pin Descriptions Pin Number Pin Name I/O Description 3 +INA I Noninverting input, channel A 5 +INB I Noninverting input, channel B 2 -INA I Inverting input, channel A 6 -INB I Inverting input, channel B

1 OUTA O Output, channel A

7 OUTB O Output, channel B

8 V+ —

Recommend to place a minimum 0.1μF decoupling capacitor between V+ pin and GND as close as possible.

4 V- —

Single power supply application, it is normally tied to ground. Split power supply application, a minimum 0.1μF decouple capacitor is recommended to be placed between V- pin and GND as close as possible.

Document number: DS42770 Rev. 3 - 2 3 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333 Absolute Maximum Ratings (Note 4) (@ TA = +25°C, unless otherwise specified.) Symbol Parameter Rating Unit VS = V+ - V- Supply Voltage Range 6.5 V V-IN / V+IN Signal Input Terminals (Note 5) V- - 0.3V to V+ + 0.3V V Signal Input Terminals (Note 5) -1 to +1 mA Output Short-Circuit (Note 6) Continuous mA TSTG Storage Temperature -65 to +150 °C TJ Maximum Junction Temperature +150 °C TLEAD Lead Temperature (Soldering, 10 Seconds) +260 °C RθJA Junction-to-Ambient Thermal Resistance SO-8 139 °C/W MSOP-8 184 °C/W U-DFN3030-8 (Type E) — °C/W RθJC Junction-to-Case Thermal Resistance SO-8 25 °C/W MSOP-8 18 °C/W U-DFN3030-8 (Type E) — °C/W ESD HBM Human Body Model ESD Protection 4 kV ESD CDM Charged-Device Model ESD Protection 1 kV Notes: 4. Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Recommended Operating Conditions indicate conditions for which the device is intended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics. 5. Input terminals are diode-clamped to the power-supply rails. Input signals that can swing more than 0.3V beyond the supply rails should be current limited to 10mA or less. 6. Short-circuit to ground. Recommended Operating Conditions (@ TA = +25°C, unless otherwise specified.) Symbol Parameter Rating Unit VS = V+ - V- Supply Voltage Range 1.8 to 5.5 V TA Operating Ambient Temperature Range -40 to +125 °C

Document number: DS42770 Rev. 3 - 2 4 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333 Electrical Characteristics (@ TA = +25°C, VS = 5.0V, RL = 10kΩ connected to VS / 2, VCM = VS / 2, and VOUT = VS / 2, unless otherwise specified.) Symbol Parameter Conditions Min Typ Max Unit Offset Voltage VOS Input Offset Voltage VS = 5V — 8 22 μV ∆VOS/∆T Input Offset Voltage Drift (Note 7) TA = -40°C to +85°C — 0.02 0.1 μV/°C TA = -40°C to +125°C — — 0.2 μV/°C PSRR Power-Supply Rejection Ratio VS = 1.8V to 5.5V, TA = -40°C to +125°C — 1 5 μV/V — Long-Term Stability — (Note 7) μV — Channel Separation, DC — — 0.1 — μV/V Input Bias Current IB Input Bias Current TA = +25°C — ±70 ±200 pA TA = -40°C to +125°C — ±400 — IOS Input Offset Current — — ±140 ±400 Noise VN Input Voltage Noise f = 0.01Hz to 1Hz — 0.3 — μVPP f = 0.1Hz to 10Hz — 1.1 — IN Input Current Noise f = 10Hz — 100 — fA/√Hz Input Voltage VCM Common-Mode Voltage Range — (V-) - 0.1 — (V+) + 0.1 V CMRR Common-Mode Rejection Ratio (V-) - 0.1V < VCM < (V+) + 0.1V, TA = -40°C to +125°C 106 120 — dB Input Capacitance — Differential — — 2 — pF — Common-Mode — — 4 — pF Open-Loop Gain AOL Open-Loop Voltage Gain (V-) + 100mV < VO < (V+) - 100mV, RL = 10kΩ, TA = -40°C to +125°C 106 130 — dB Frequency Response GBW Gain-Bandwidth Product CL = 100pF — 350 — kHz SR Slew Rate G = +1 — 0.12 — V/μs Output — Voltage Output Swing from Rail Positive Rail RL = 10kΩ TA = +25°C — 30 50 mV TA = -40°C to +125°C — — 70 Negative Rail RL = 10kΩ TA = +25°C — 10 50 TA = -40°C to +125°C — — 70 ISC Short-Circuit Current Source Current — 5 — mA Sink Current — 25 — mA — Open-Loop Output Impedance f = 350kHz, IO = 0A — 2 — kΩ Power Supply VS Specified Voltage Range — 1.8 — 5.5 V IQ Quiescent Current per Amplifier IO = 0A, TA = +25°C — 12 20 μA IO = 0A, TA = -40°C to +125°C — — 28 tON Turn-On Time VS = 5V — 100 — μs Note: 7. 300-hour life test at +150°C demonstrated randomly distributed variation of approximately 1μV. This parameter guaranteed by design and characterization, not by testing.

Document number: DS42770 Rev. 3 - 2 5 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333 Typical Performance Characteristics Supply Current vs. Temperature Input Offset Voltage vs. Input Common Mode Voltage -40 -25 -10 5 20 35 50 65 80 95 110 125 Dual OPAs VS = 1.8V VS = 5V VIN+ = VS / 2 No Load Supply Current (µA) Ambient Temperature ( O -20 -10 Input Common Mode Voltage (V) V+ = 2.5V V- = -2.5V Input Offset Voltage (µV) Output Characteristics-Sourcing Current Output Characteristics-Sinking Current Large Signal Response Small Signal Response VOUT 1V/div Unity Gain VS = 5.0V RL = 10kΩ Unity Gain VS = 5.0V RL = 10kΩ VIN 1V/div VIN 100mV/div VOUT 100mV/div Time 10μs/div Time 10μs/div 0.01 0.1 1 100 1000 10000 Output Source Current (mA) V+ = 5.0V, V- = 0 TA = +25 O C Output to VCC Reference Voltage - VCC - VOUT (mV) 0.1 1 10 0.01 0.1 Output Sink Current (mA) V+ = 5.0V, V- = 0 TA = +25 O C Output Low Voltage (V)

Document number: DS42770 Rev. 3 - 2 6 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333 Typical Performance Characteristics (continued) Small Signal Response Small Signal Response Negative Overvoltage Response Positive Overvoltage Response Output Voltage Swing from Rail Voltage Noise Spectral Density -40 -25 -10 5 20 35 50 65 80 95 110 125 Positive Negative Ambient Temperature ( O VS = 5.0V RL = 10kΩ to VS / 2 Output Voltage Swing from Rail (mV) Unity Gain VS = 5.0V RL = 10kΩ CL = 220pF Unity Gain VS = 5.0V RL = 10kΩ CL = 100pF Av = -10 VOUT 100mV/div VIN 100mV/div Time 10μs/div Time 10μs/div Time 50μs/div Time 50μs/div VIN 100mV/div VOUT 100mV/div VOUT 500mV/div VOUT 500mV/div VIN 1V/div VIN 1V/div 100 1k 10k 100 1000 Frequency (Hz) Voltage Noise Spectral Density (nV/ Hz)

Document number: DS42770 Rev. 3 - 2 7 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333 Typical Performance Characteristics (continued) Frequency Response Power Supply Rejection Ration vs. Frequency 1k 10k 100k 1M -20 100 -100 -80 -60 -40 -20 100 120 140 160 PM RL = 10kΩ CL = 100pF Gain (dB) Gain Frequency (Hz) Phase Margin ( O 10 100 1k 10k 100k 1M 100 120 V+ = 5.0V V- = 0 Ripple = 500mV PSRR (dB) Frequency (Hz)

Document number: DS42770 Rev. 3 - 2 8 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333

Application Information

The AS2333 is low-power, zero-drift, high-precision, rail-to-rail input and output operational amplifier, which adopts chopper-stabilized function circuits to provide the advantage of minimizing input offset voltage and offset voltage drift over time and temperature. Its input common-mode voltage range extends 0.1V beyond the supply rails to allow for sensing near ground or system VDD. The device operates from a single-supply voltage as low as 1.8V, is unity-gain stable, has no 1/f noise, and has good PSRR and CMRR performance. These features make the AS2333 suitable for a wide range of general-purpose applications, especially for low-power and high-precision applications. Low Input Referred Noise The device AS2333 is chopper-stabilized amplifier, which greatly reduces the flicker noise. The zero-drift chopper-stabilized amplifiers are especially suited for accurate, high-gain amplification at lower frequencies. In general, they do not exhibit the higher bandwidth of linear operational amplifiers, and the location of their clock frequency establishes a practical frequency limit on signal fidelity. This makes performance at low frequencies especially important, and the chopper-stabilized architecture further contributes to low-frequency usefulness by eliminating the classic linear operational amplifier 1/f input voltage noise. Many high-gain sensor applications are at low frequencies, making zero-drift amplifiers a natural choice for this function. The below graphs compare the voltage noise density behaviors of conventional amplifiers and zero-drift amplifiers. The 1/f noise elimination in zero-drift amplifiers allow the AS2333 to have much lower noise at DC and low frequencies compared to the conventional low-noise amplifiers. 100 1k 10k 10n 100n VCC = 5.0V, VEE = 0V, AV = 1 Input Voltage Noise (V/ Hz) Frequency (Hz) 100 1k 10k 100 1000 Frequency (Hz) Voltage Noise Spectral Density (nV/ Hz) Figure 1. Input Voltage Noise in Conventional Amplifier (AZV832) Figure 2. Input Voltage Noise in Zero-Drift Amplifier (AS2333) loading. Capacitive loading directly on the output terminal can decrease the device’s phase margin, leading to high-frequency ringing or oscillation. response waveforms with and without RNULL 330Ω for load conditions CL = 470pF and RL = 10kΩ.

Document number: DS42770 Rev. 3 - 2 11 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333

Ordering Information

S : SO-8 M8 : MSOP-8 FGE : U-DFN3030-8 (Type E) 7/13 : Tape & Reel Part Number Identification Code Packaging Tape and Reel Quantity Part Number Suffix AS2333S-13 AS2333 SO-8 2500/Tape & Reel -13 AS2333M8-13 AS2333 MSOP-8 2500/Tape & Reel -13 AS2333FGE-7 ND U-DFN3030-8 (Type E) 3000/Tape & Reel -7 Marking Information (1) SO-8 AS2333 (Top View) YY WW X X WW : Week : 01~52; 52 YY : Year : 19, 20, 21~ X X : Internal Code 8 7 6 5 1 2 3 4 represents 52 and 53 week : Logo AS2333 : Identification Code (2) MSOP-8 AS2333 (Top View) Y W X 8 7 6 5 1 2 3 4 Y : Year : 0 to 9 X : Internal Code a to z : 27 to 52 week; z represents W : Week : A to Z : 1 to 26 week; 52 and 53 week : Logo AS2333 : Identification Code (3) U-DFN3030-8 (Type E) (Top View) Y W X ND ND : Identification Code X : Internal Code Y : Year : 0~9 W : Week : A~Z : 1~26 week; a~z : 27~52 week; z represents 52 and 53 week

Document number: DS42770 Rev. 3 - 2 12 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333 Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. (1) Package Type: SO-8 (2) Package Type: MSOP-8 b e E A 9° ( All sides) 4°±3° c Q h 45° R 0.1 D L Seating Plane Gauge Plane A e Seating Plane Gauge Plane 0.25 L 4X10° 4X10° See Detail C Detail C c a E y x D b SO-8 Dim Min Max Typ A 1.40 1.50 1.45 A1 0.10 0.20 0.15 b 0.30 0.50 0.40 c 0.15 0.25 0.20 D 4.85 4.95 4.90 E 5.90 6.10 6.00 E1 3.80 3.90 3.85 E0 3.85 3.95 3.90 e -- -- 1.27 h -- -- 0.35 L 0.62 0.82 0.72 Q 0.60 0.70 0.65 All Dimensions in mm MSOP-8 Dim Min Max Typ A - 1.10 - A1 0.05 0.15 0.10 A2 0.75 0.95 0.86 A3 0.29 0.49 0.39 b 0.22 0.38 0.30 c 0.08 0.23 0.15 D 2.90 3.10 3.00 E 4.70 5.10 4.90 E1 2.90 3.10 3.00 E3 2.85 3.05 2.95 e - - 0.65 L 0.40 0.80 0.60 a 0° 8° 4° x - - 0.750 y - - 0.750 All Dimensions in mm

Document number: DS42770 Rev. 3 - 2 13 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333 Package Outline Dimensions (continued) Please see http://www.diodes.com/package-outlines.html for the latest version. (3) Package Type: U-DFN3030-8 (Type E) D E e b LE2 A ( Pin #1 ID) Seating Plane z R0.200 U-DFN3030-8 (Type E) Dim Min Max Typ A 0.57 0.63 0.60 A1 0.00 0.05 0.02 A3 - - 0.15 b 0.20 0.30 0.25 D 2.95 3.05 3.00 D2 2.15 2.35 2.25 E 2.95 3.05 3.00 E2 1.40 1.60 1.50 e - - 0.65 L 0.30 0.60 0.45 z - - 0.40 All Dimensions in mm

Document number: DS42770 Rev. 3 - 2 14 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333 Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. (1) Package Type: SO-8 (2) Package Type: MSOP-8 (3) Package Type: U-DFN3030-8 (Type E) C X Y X C Y C Y X Dimensions Value (in mm) C 1.27 X 0.802 X1 4.612 Y 1.505 Y1 6.50 Dimensions Value (in mm) C 0.650 X 0.450 Y 1.350 Y1 5.300 Dimensions Value (in mm) C 0.650 X 0.350 X1 2.350 X2 2.300 Y 0.650 Y1 1.600 Y2 3.300

Document number: DS42770 Rev. 3 - 2 15 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333 Mechanical Data SO-8

  • Moisture Sensitivity: Level 1 per J-STD-020
  • Terminals: Finish – Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208
  • Weight: 0.075 grams (Approximate) MSOP-8
  • Moisture Sensitivity: Level 1 per J-STD-020
  • Terminals: Finish – Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208
  • Weight: 0.025 grams (Approximate) U-DFN3030-8 (Type E)
  • Moisture Sensitivity: Level 1 per J-STD-020
  • Terminals: Finish NiPdAu over Copper Lead-Frame Solderable per MIL-STD-202, Method 208
  • Weight: 0.017 grams (Approximate)

Document number: DS42770 Rev. 3 - 2 16 of 16 www.diodes.com January 2021 © Diodes Incorporated AS2333 IMPORTANT NOTICE 1. DIODES INCORPORATED AND ITS SUBSIDIARIES (“DIODES”) MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO ANY INFORMATION CONTAINED IN THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTIC ULAR PURPOSE OR NON -INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 2. The Information contained herein is for informational purpose only and is provided only to illustrate the operati on of Diodes products described herein and application examples. Diodes does not assume any liability arising out of the application or use of this document or any product described herein. This document is intended for skilled and technically trained engi neering customers and users who design with Diodes products. Diodes products may be used to facilitate safety -related applications; however, in all instances customers and users are responsible for (a) selecting the appropriate Diodes products for their applications, (b) evaluating the suitability of the Diodes products for their intended applications, (c) ensuring their applications, which incorporate Diodes products, comply the applicable legal and regulatory requirements as well as safety and functional -safety related standards, and (d) ensuring they design with appropriate safeguards (including testing, validation, quality control techniques, redundancy, malfunction prevention, and appropriate treatment for aging degradation) to minimize the risk s associated with their applications. 3. Diodes assumes no liability for any application- related information, support, assistance or feedback that may be provided by Diodes from time to time. 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