DS4802

DS4802 DALLAS | Alldatasheet

Document overview

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Technical content

FEATURES

/elevenoclock Very low operating power: 12 µA typical per amplifier /elevenoclock High output sink/source capability /elevenoclock Supply Voltage Range 1.8 to 5.5V /elevenoclock Rail-to-Rail Output Swing /elevenoclock Input offset voltage: 0.95 mV max.

ORDERING INFORMATION

DS4802U 8-pin µ-SOP DS4802X 8-bump Flip-Chip PACKAGES/PINOUTS A - + B AOUT AIN- AIN+ GND VDD BOUT BIN- BIN+ 300-mil DIP 150-mil SOIC 118-mil µ-SOP 8-bump Flip-Chip

DESCRIPTION

The DS4802 BiCMOS dual operational amplifier combines low input offset voltage, very low power consumption, rail-to-rail output swing, and excellent DC precision. With a maximum input offset voltage of 0.95 mV, a maximum IDD of 25 µA/amplifier, and 10 pA typical input bias current, the DS4802 is ideal for measurement, medical, and industrial applications. The DS4802 is also ideal for portable applications with 1.8 volt to 5.5 volt single supply voltage operation and low power consumption. www.dalsemi.com DS4802 Low Voltage, Micro Power, High Performance, Rail-To-Rail Dual Op-Amp PRELIMINARY BA -+- + VDD AOUT AIN- AIN+ GND BIN+ BIN- BOUT For mechanical dimensions see website.

Supply Voltage, VDD (see Note 1) 5.5V Differential Input Voltage (see Note 2) ± VDD Input Voltage Range, VI (see Note 1) -0.3V to V DD Input Current, IDD ± 4 mA Output Current, IO ± 50 mA Total current into VDD ± 50 mA Total current out of GND ± 50 mA Duration of short-circuit current (See Note 3) unlimited Operating Temperature 0 oC to 70oC Storage Temperature -55 oC to +125oC Soldering Temperature 260 oC for 10 seconds Notes: 1. Relative to GND. 2. Non-inverting input relative to inverting input. Excessive current flows when input is brought below GND - 0.3V. 3. The output may be shorted to either supply. Temperature and/or supply voltages must be limited to ensure that the maximum dissipation rating is not exceeded. RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Supply Voltage V DD 1.8 5.5 V 1 Input Voltage Range V I GND V DD - 1.0 V 1 Common-Mode Input Voltage V IC GND V DD - 1.0 V Free-Air Operating Temperature T A 07 0 oC Notes: 1. Voltage referenced to GND.

ELECTRICAL CHARACTERISTICS (TA: 0°C – 70°C. VDD = 1.8V) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Input Offset Voltage (VIC = 0.5V, RS = 50Ω , VOUT = VDD/2) VIO 0.1 0.95 mV Temperature Coefficient of Input Offset Voltage (VIC = 0.5V, RS = 50Ω , VOUT = VDD/2) αVIO 2 µV/°C Input Offset Current (RS = 50Ω ) IIO 5 500 pA Input Bias Current (RS = 50Ω ) IIB 10 500 pA Common-mode Input Voltage Range (|VIO| ≤ 5 mV, RS = 50Ω ) VICR 0 to 1 -0.3 to 1.2 V High Level Output Voltage (IOH = -50 µA) (IOH = -500 µA) VOH 1.5 1.785 1.65 V Low Level Output Voltage (IOL = 50 µA) (IOL = 500 µA) VOL 10 100 200 mV Large Signal Differential Voltage Amplification (VIC = 0.5V, 0.4V ≤ VO ≤ 1.4V) RL = 100 kΩ (VIC = 0.5V, 0.4V ≤ VO ≤ 1.4V) RL = 10 kΩ AVD 65 dB Input Resistance RIN >1012 Ω Common Mode Input Capacitance ci(c) 24.0 pF Common Mode Rejection Ratio (0V ≤ V IC ≤ 0.8V, R S = 50 Ω , V O = VDD/2) CMRR 60 75 dB Supply Voltage Rejection Ratio (1.8V ≤ VDD ≤ 3.6V, VIC = VDD/2, no load) kSVR 70 85 dB Amplifier Supply Current (per channel) (VO = VDD/2, no load) IDD 12 25 µA Slew Rate at Unity Gain (RL = 100 k Ω , C L = 100 pF tied to VDD/2) SR 10 15 V/ms

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Equivalent Input Noise Voltage (f = 10 Hz) (f = 1 kHz) V N 120 nV/√Hz Unity Gain Bandwidth Product (RL = 100 k Ω , C L = 100 pF tied to VDD/2) UGBW 31 kHz Phase Margin at Unity Gain (RL = 100 k Ω , C L = 100 pF tied to VDD/2) φM 60 Degree Gain Margin (RL = 100 k Ω , C L = 100 pF tied to VDD/2) 17 dB ELECTRICAL CHARACTERISTICS cont. (TA: 0°C – 70°C. VDD = 3.0V) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Input Offset Voltage (VIC = 1.5V, RS = 50Ω , VOUT = VDD/2) VIO 0.1 0.95 mV Temperature Coefficient of Input Offset Voltage (VIC = 1.5V, RS = 50Ω , VOUT = VDD/2) αVIO 2 µV/°C Input Offset Current (RS = 50Ω ) IIO 5 500 pA Input Bias Current (RS = 50Ω ) IIB 10 500 pA Common-mode Input Voltage Range (|VIO| ≤ 5 mV, RS = 50Ω ) VICR 0 to 2 -0.3 to 2.2 V High Level Output Voltage (IOH = -200 µA) (IOH = -2 mA) VOH 2.4 2.97 2.7 V Low Level Output Voltage (VIC = 1.5V, IOL = 200 µA) (VIC = 1.5V, IOL = 2 mA) VOL 24 240 500 mV Large Signal Differential Voltage Amplification (VIC = 1.5V, 0.5V ≤ VO ≤ 2.5V) RL = 100 kΩ (VIC = 1.5V, 0.5V ≤ VO ≤ 2.5V) RL = 10kΩ AVD 70 dB Input Resistance RIN >1012 Ω Common Mode Input Capacitance cI(c) 24.0 pF Common Mode Rejection Ratio CMRR 65 80 dB

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES (0V ≤ V IC ≤ 2V, R S = 50 Ω , V O = VDD/2) Supply Voltage Rejection Ratio (1.8V ≤ VDD ≤ 3.6V, VIC = VDD/2, no load) kSVR 70 85 dB Amplifier Supply Current (per channel) (VO = VDD/2, no load) IDD 12 25 µA Slew Rate at Unity Gain (RL = 100 k Ω , C L = 100 pF tied to VDD/2) SR 10 15 V/ms Equivalent Input Noise Voltage (f = 10 Hz) (f = 1 kHz) V N 120 nV/√Hz Unity Gain Bandwidth Product (RL = 100 k Ω , C L = 100 pF tied to VDD/2) UGBW 35 kHz Phase Margin at Unity Gain (RL = 100 k Ω , C L = 100 pF tied to VDD/2) φM 60 Degree Gain Margin (RL = 100 k Ω , C L = 100 pF tied to VDD/2) 17 dB