CA5420A_05 INTERSIL | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 7

Technical content

Features

  • CA5420A at 5V Supply Voltage with Full Military Temperature Range Guaranteed Specifications
  • CA5420A Guaranteed to Operate from ±1V to ±10V Supplies
  • 2V Supply at 300 µA Supply Current
  • 1pA (Typ) Input Current (Essentially Constant to 85°C)
  • Rail-to-Rail Output Swing (Drive ±2mA Into 1kΩ Load)
  • Pin Compatible with 741 Op Amp
  • Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

  • pH Probe Amplifiers
  • Picoammeters
  • Electrometer (High Z) Instruments
  • Portable Equipment
  • Inaccessible Field Equipment
  • Battery Dependent Equipment (Medical and Military)
  • 5V Logic Systems
  • Microprocessor Interface Pinout CA5420A (SOIC) TOP VIEW NOTE: Pin is connected to Case. MOS BIPOLAR MOS BIPOLAR OTA BUFFER (X2) HIGH GAIN (50K) BUFFER AMPS; BOOTSTRAPPED INPUT PROTECTION NETWORK

Ordering Information

TEMP. RANGE (°C) PACKAGE PKG. DWG. # CA5420AM 5420A -55 to 125 8 Ld SOIC M8.15 CA5420AMZ* (Note) 5420AMZ -55 to 125 8 Ld SOIC (Pb-free) M8.15 *Add “96” suffix for Tape and Reel. NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. OFFSET INV. INPUT NON-INV. INPUT STROBE OUTPUT OFFSET NULL NULL Data Sheet December 21, 2005 FN1925.5 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 1998, 2005. All Rights Reserved All other trademarks mentioned are the property of their respective owners.

2 FN1925.5 December 21, 2005 Absolute Maximun Ratings Thermal Information Operating Conditions Thermal Resistance (Typical, Note 2) θ JA (°C/W) θJC (°C/W) Maximum Storage Temperature Range (All Types) . . . -65°C to 150°C (SOIC - Lead Tips Only) CAUTION: Stresses above those listed in “Abs olute Maximum Ratings” may cause permanent dam age to the device. This is a stress o nly rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. NOTES: 1. Short circuit may be applied to ground or to either supply. 2. θJA is measured with the component mounted on an evaluation PC board in free air. Electrical Specifications Typical Values Intended Only for Design Guidance. V+ = +5V; V- = GND, TA = 25°C PARAMETER SYMBOL TEST CONDITIONS CA5420A UNITS Input Resistance R I 150 T Ω Input Capacitance C I 4.9 pF Output Resistance R O 300 Ω Equivalent Input Noise Voltage eN f = 1kHz R S = 100Ω 62 nV/ √Hz f = 10kHz 38 nV/ √Hz Short-Circuit Current To Opposite Supply Source I OM+2 . 6 m A Sink I OM-2 . 4 m A Gain Bandwidth Product f T 0.5 MHz Slew Rate SR 0.5 V/ µs Transient Response Rise Time t r RL = 2kΩ, CL = 100pF 0.7 µs Overshoot OS 15 % Current from Terminal 8 To V- I 8+2 0 µA Current from Terminal 8 To V+ I 8-2 m A Settling Time 0.01% A V = 1 2V P-P Input 8 µs 0.10% A V = 1 2V P-P Input 4.5 µs Electrical Specifications TA = 25°C, V+ = 5V, V- = 0, Unless Otherwise Specified PARAMETER SYMBOL TEST CONDITIONS CA5420A UNITSMIN TYP MAX Input Offset Voltage V IO VO = 2.5V - 1 5 mV Input Offset Current I IO VO = 2.5V - 0.02 0.5 pA Input Current I I VO = 2.5V - 0.02 1 pA Common Mode Rejection Ratio CMRR V CM = 0 to 3.7V, VO = 2.5V 75 83 - dB Common Mode Input Voltage Range V lCR+V O = 2.5V 3.7 4 - V VlCR- - - 0 . 3 0 V Power Supply Rejection Ratio PSRR ∆V+ = 1V; ∆V- = 1V 75 83 - dB Large Signal Voltage Gain A OL VO = 0.5 to 4V R L = ∞ 85 87 - dB VO = 0.5 to 4V R L = 10kΩ 85 87 - dB VO = 0.7 to 3V R L = 2kΩ 80 85 - dB CA5420A

3 FN1925.5 December 21, 2005 Source Current I SOURCE VO = 0V 1.2 2.7 - mA Sink Current I SINK VO = 5V 1.2 2.1 - mA Output Voltage V OM+R L = ∞ 4.9 4.94 - V VOM- - 0.13 0.15 V VOM+R L = 10kΩ 4.7 4.9 - V VOM- - 0.12 0.15 V VOM+R L = 2kΩ 3.5 4.6 - V VOM-- 0 . 1 0 . 1 5 V Supply Current I SUPPLY VO = 0V - 400 500 µA VO = 2.5V - 430 550 µA Electrical Specifications TA = 25°C, V+ = 5V, V- = 0, Unless Otherwise Specified (Continued) PARAMETER SYMBOL TEST CONDITIONS CA5420A UNITSMIN TYP MAX Electrical Specifications TA = -55°C to 125°C, V+ = 5V, V- = 0, Unless Otherwise Specified PARAMETER SYMBOL TEST CONDITIONS CA5420A UNITSMIN TYP MAX Input Offset Voltage V IO VO = 2.5V - 2 10 mV Input Offset Current I IO VO = 2.5V - 1.5 3 nA Up to TA = 85°C - 2 10 pA Input Current |II| VO = 2.5V - 2 5 nA Up to TA = 85°C -1 0 1 5p A Common Mode Rejection Ratio CMRR V CM = 0 to 3.7V, VO = 2.5V 70 80 - dB Common Mode Input Voltage Range V lCR+V O = 2.5V 3.7 4 - V VlCR- - - 0 . 3 0 V Power Supply Rejection Ratio PSRR ∆V+ = 1V; ∆V- = 1V 70 83 - dB Large Signal Voltage Gain A OL VO = 0.5 to 4V R L = ∞ 85 87 - dB VO = 0.7 to 4V R L = 10kΩ 80 87 - dB VO = 0.7 to 2.5V R L = 2kΩ 75 80 - dB Source Current I SOURCE VO = 0V 1 2.7 - mA Sink Current I SINK VO = 5V 1 2.1 - mA Output Voltage V OM+R L = ∞ 4.8 4.9 - V VOM- - 0.16 0.2 V VOM+R L = 10kΩ 4.7 4.9 - V VOM- - 0.15 0.2 V VOM+R L = 2kΩ 34- V VOM- - 0.14 0.2 V Supply Current I SUPPLY VO = 0V - 430 550 µA VO = 2.5V - 480 600 µA CA5420A

4 FN1925.5 December 21, 2005 Electrical Specifications For Equipment Design at VSUPPLY = ±1V, TA = 25°C, Unless Otherwise Specified PARAMETER SYMBOL TEST CONDITIONS CA5420A UNITSMIN TYP MAX Input Offset Voltage V IO -2 5 m V Input Offset Current |IIO| - 0.01 4 (Note 3) pA Input Current |II| - 0.02 5 (Note 3) pA Large Signal Voltage Gain A OL RL = 10kΩ 20 100 - kV/V 86 100 - dB Common Mode Rejection Ratio CMRR - 560 1000 µV/V 60 65 - dB Common Mode Input Voltage Range V lCR+0 . 2 0 . 5 - V VlCR-- 1 - 1 . 3 - V Power Supply Rejection Ratio PSRR - 32 320 µV/V 70 90 - dB Maximum Output Voltage V OM+R L = ∞ 0.9 0.95 - V Supply Current I SUPPLY - 350 650 µA Device Dissipation P D -0 . 7 1 . 1 m W Input Offset Voltage Temp. Drift ∆VIO/∆T- 4 - µV/°C Electrical Specifications For Equipment Design at VSUPPLY = ±10V, TA = 25°C, Unless Otherwise Specified PARAMETER SYMBOL TEST CONDITIONS CA5420A UNITSMIN TYP MAX Input Offset Voltage V IO -2 5 m V Input Offset Current |IIO| - 0.03 4 (Note 3) pA Input Current |II| - 0.05 5 (Note 3) pA Large Signal Voltage Gain A OL RL = 10kΩ 20 100 - kV/V 86 100 - dB Common Mode Rejection Ratio CMRR - 100 320 µV/V 70 80 - dB Common Mode Input Voltage Range V lCR+9 9 . 3 - V VlCR- -10 -10.3 - V Power Supply Rejection Ratio PSRR - 32 320 µV/V 70 90 - dB Maximum Output Voltage V OM+R L = ∞ 9.7 9.9 - V Supply Current I SUPPLY - 450 1000 µA Device Dissipation P D -9 1 4 m W Input Offset Voltage Temperature Drift ∆VIO/∆T- 4 - µV/°C NOTE: 3. The maximum limit represents the levels obtainable on high-speed automatic test equipment. Typical values are obtained under laboratory conditions. CA5420A

All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems. Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, soft ware and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnishe d by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com FN1925.5 December 21, 2005 CA5420A