AD8502_07 AD | Alldatasheet

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Rev. 0 | Page 2 of 16 TABLE OF CONTENTS

REVISION HISTORY

1/07—Revision 0: Initial Version

Rev. 0 | Page 3 of 16 SPECIFICATIONS

ELECTRICAL CHARACTERISTICS

@ VS = 5 V , VCM = VS/2, TA = 25°C, unless otherwise noted. Table 1. Parameter Symbol Conditions Min Typ Max Unit INPUT CHARACTERISTICS Offset Voltage VOS 0 V < VCM < 5 V 0.5 3 mV −40°C < TA < +85°C 5 mV Offset Voltage Drift ΔVOS/ΔT −40°C < TA < +85°C 7 μV/°C −40°C < TA < +125°C 5 μV/°C Input Bias Current IB 0 V < VCM < 5 V 1 10 pA −40°C < TA < +85°C 100 pA −40°C < TA < +125°C 600 pA Input Offset Current IOS 0 V < VCM < 5 V 0.5 5 pA −40°C < TA < +85°C 50 pA −40°C < TA < +125°C 100 pA Input Voltage Range IVR 0 5.0 V Common-Mode Rejection Ratio CMRR 0 V < VCM < 5 V 67 76 dB −40°C < TA < +85°C 65 dB −40°C to +125°C 65 dB Large Signal Voltage Gain AVO 0.1 V < VOUT < 4.9 V; RLOAD = 1 MΩ 98 120 dB 0.1 V < VOUT < 4.9 V; −40°C < TA < +85°C 93 dB 0.1 V < VOUT < 4.9 V; −40°C < TA < +125°C 75 dB Input Capacitance CDIFF 2 pF C CM 4.5 pF OUTPUT CHARACTERISTICS Output Voltage High VOH RLOAD = 100 kΩ to GND 4.970 4.990 V −40°C to +125°C 4.950 V RLOAD = 10 kΩ to GND 4.900 4.930 V −40°C to +125°C 4.650 V Output Voltage Low VOL RLOAD = 100 kΩ to VS 1.6 5 mV −40°C < TA < +85°C 7 mV −40°C to +125°C 7 mV RLOAD = 10 kΩ to VS 15 20 mV −40°C < TA < +85°C 37 mV −40°C to +125°C 40 mV Short-Circuit Current ISC VOUT = GND ±5 mA POWER SUPPLY Power Supply Rejection Ratio PSRR 1.8 V < VS < 5 V 85 105 dB −40°C < TA < +85°C 66 dB −40°C < TA < +125°C 66 dB Supply Current/Amplifier ISY VO = VS/2 0.75 1 μA −40°C < TA < +125°C 2 μA DYNAMIC PERFORMANCE Slew Rate SR RLOAD = 1 MΩ 0.004 V/μs Gain Bandwidth Product GBP 7 kHz Phase Margin ØO 60 Degrees

Rev. 0 | Page 4 of 16 Parameter Symbol Conditions Min Typ Max Unit NOISE PERFORMANCE Peak-to-Peak Noise 0.1 Hz to 10 Hz 6 μV p-p Voltage Noise Density en f = 1 kHz 190 nV/√Hz Current Noise Density in f = 1 kHz 0.1 pA/√Hz @ VS = 1.8 V , VCM = VS/2, TA = 25°C, unless otherwise noted. Table 2. Parameter Symbol Conditions Min Typ Max Unit INPUT CHARACTERISTICS Offset Voltage VOS 0 V < VCM < 1.8 V 0.5 3 mV −40°C < TA < +85°C 5 mV Offset Voltage Drift ∆VOS/∆T −40°C < TA < +85°C 7 μV/°C −40°C < TA < +125°C 5 μV/°C Input Bias Current IB 0 V < VCM < 1.8 V 1 10 pA −40°C < TA < +85°C 100 pA −40°C < TA < +125°C 600 pA Input Offset Current IOS 0 V < VCM < 1.8 V 0.5 5 pA −40°C < TA < +85°C 50 pA −40°C < TA < +125°C 100 pA Input Voltage Range IVR 0 1.8 V Common-Mode Rejection Ratio CMRR 0 V < VCM < 1.8 V 59 75 dB −40°C < TA < +85°C 56 dB −40°C < TA < +125°C 55 dB Large Signal Voltage Gain AVO 0.1 V < VOUT < 1.7 V; RLOAD = 1 MΩ 88 110 dB 0.1 V < VOUT < 1.7 V; −40°C < TA < +85°C 80 dB 0.1 V < VOUT < 1.7 V; −40°C < TA < +125°C 65 dB Input Capacitance CDIFF 2 pF C CM 4.5 pF OUTPUT CHARACTERISTICS Output Voltage High VOH RLOAD = 100 kΩ to GND 1.79 1.795 V −40°C to +125°C 1.77 V RLOAD = 10 kΩ to GND 1.75 1.764 V −40°C to +125°C 1.65 V Output Voltage Low VOL RLOAD = 100 kΩ to VS 1.0 5 mV −40°C < TA < +85°C 6 mV −40°C to +125°C 7 mV RLOAD = 10 kΩ to VS 10 20 mV −40°C < TA < +85°C 28 mV −40°C to +125°C 29 mV Short-Circuit Current ISC ±5 mA POWER SUPPLY Power Supply Rejection Ratio PSRR 1.8 V < VS < 5 V 85 105 dB −40°C < TA < +85°C 66 dB −40°C < TA < +125°C 66 dB Supply Current/Amplifier ISY VO = VS/2 0.65 1 μA −40°C < TA < +125°C 2 μA

Rev. 0 | Page 5 of 16 Parameter Symbol Conditions Min Typ Max Unit DYNAMIC PERFORMANCE Slew Rate SR RLOAD = 1 MΩ 0.004 V/μs Gain Bandwidth Product GBP 7 kHz Phase Margin ØO 60 Degrees NOISE PERFORMANCE Peak-to-Peak Noise 0.1 Hz to 10 Hz 6 μV p-p Voltage Noise Density en f = 1 kHz 190 nV/√Hz Current Noise Density in f = 1 kHz 0.1 pA/√Hz

TA = 25°C, unless otherwise noted. Absolute maximum ratings apply at 25°C, unless otherwise noted. soldered in a circuit board for surface-mount packages. Table 4. Thermal Characteristics

2.90 BSC

1.60 BSC

0.65 BSC

0.15 MAX

2.80 BSC

Figure 40. 8-Lead Small Outline Transistor Package [SOT-23] Figure 41. 14-Lead Thin Shrink Small Outline Package [TSSOP]

Rev. 0 | Page 15 of 16 NOTES

Rev. 0 | Page 16 of 16 NOTES ©2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06323-0-1/07(0)