Datasheet AD8229 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | 1 nV/√Hz Low Noise 210°C Instrumentation Amplifier |
| Pages / Page | 24 / 3 — Data Sheet. AD8229. SPECIFICATIONS. Table 1. Parameter. Test … |
| Revision | B |
| File Format / Size | PDF / 941 Kb |
| Document Language | English |
Data Sheet. AD8229. SPECIFICATIONS. Table 1. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit
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Text Version of Document
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Data Sheet AD8229 SPECIFICATIONS
+VS = 15 V, −VS = −15 V, VREF = 0 V, TA = 25°C, G = 1, RL = 10 kΩ, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
COMMON-MODE REJECTION RATIO (CMRR) CMRR DC to 60 Hz with 1 kΩ Source Imbalance VCM = ±10 V G = 1 86 dB Temperature Drift TA = −40°C to +210°C 300 nV/V/°C G = 10 106 dB Temperature Drift TA = −40°C to +210°C 30 nV/V/°C G = 100 126 dB Temperature Drift TA = −40°C to +210°C 3 nV/V/°C G = 1000 TA = −40°C to +210°C 134 dB CMRR at 5 kHz VCM = ±10 V G = 1 80 dB G = 10 90 dB G = 100 90 dB G = 1000 90 dB VOLTAGE NOISE VIN+, VIN− = 0 V Spectral Density1: 1 kHz Input Voltage Noise, eni 1 1.1 nV/√Hz Output Voltage Noise, eno 45 50 nV/√Hz Peak to Peak: 0.1 Hz to 10 Hz G = 1 2 µV p-p G = 1000 100 nV p-p CURRENT NOISE Spectral Density: 1 kHz 1.5 pA/√Hz Peak to Peak: 0.1 Hz to 10 Hz 100 pA p-p VOLTAGE OFFSET VOS = VOSI + VOSO/G Input Offset, VOSI 100 µV Average TC TA = −40°C to +210°C 0.1 1 µV/°C Output Offset, VOSO 1000 µV Average TC TA = −40°C to +210°C 3 10 µV/°C Offset RTI vs. Supply (PSR) VS = ±5 V to ±15 V G = 1 TA = −40°C to +210°C 86 dB G = 10 TA = −40°C to +210°C 106 dB G = 100 TA = −40°C to +210°C 126 dB G = 1000 TA = −40°C to +210°C 130 dB INPUT CURRENT Input Bias Current 70 nA High Temperature TA = 210°C 200 nA Input Offset Current 35 nA High Temperature TA = 210°C 50 nA Rev. B | Page 3 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings Predicted Lifetime vs. Operating Temperature Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Architecture Gain Selection RG Power Dissipation Reference Terminal Input Voltage Range Layout Common-Mode Rejection Ratio over Frequency Power Supplies Reference Pin Input Bias Current Return Path Input Protection Input Voltages Beyond the Rails Large Differential Input Voltage at High Gain IMAX Radio Frequency Interference (RFI) Calculating the Noise of the Input Stage Source Resistance Noise Voltage Noise of the Instrumentation Amplifier Current Noise of the Instrumentation Amplifier Total Noise Density Calculation Outline Dimensions Ordering Guide
Data Sheet AD8229 SPECIFICATIONS
+VS = 15 V, −VS = −15 V, VREF = 0 V, TA = 25°C, G = 1, RL = 10 kΩ, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
COMMON-MODE REJECTION RATIO (CMRR) CMRR DC to 60 Hz with 1 kΩ Source Imbalance VCM = ±10 V G = 1 86 dB Temperature Drift TA = −40°C to +210°C 300 nV/V/°C G = 10 106 dB Temperature Drift TA = −40°C to +210°C 30 nV/V/°C G = 100 126 dB Temperature Drift TA = −40°C to +210°C 3 nV/V/°C G = 1000 TA = −40°C to +210°C 134 dB CMRR at 5 kHz VCM = ±10 V G = 1 80 dB G = 10 90 dB G = 100 90 dB G = 1000 90 dB VOLTAGE NOISE VIN+, VIN− = 0 V Spectral Density1: 1 kHz Input Voltage Noise, eni 1 1.1 nV/√Hz Output Voltage Noise, eno 45 50 nV/√Hz Peak to Peak: 0.1 Hz to 10 Hz G = 1 2 µV p-p G = 1000 100 nV p-p CURRENT NOISE Spectral Density: 1 kHz 1.5 pA/√Hz Peak to Peak: 0.1 Hz to 10 Hz 100 pA p-p VOLTAGE OFFSET VOS = VOSI + VOSO/G Input Offset, VOSI 100 µV Average TC TA = −40°C to +210°C 0.1 1 µV/°C Output Offset, VOSO 1000 µV Average TC TA = −40°C to +210°C 3 10 µV/°C Offset RTI vs. Supply (PSR) VS = ±5 V to ±15 V G = 1 TA = −40°C to +210°C 86 dB G = 10 TA = −40°C to +210°C 106 dB G = 100 TA = −40°C to +210°C 126 dB G = 1000 TA = −40°C to +210°C 130 dB INPUT CURRENT Input Bias Current 70 nA High Temperature TA = 210°C 200 nA Input Offset Current 35 nA High Temperature TA = 210°C 50 nA Rev. B | Page 3 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings Predicted Lifetime vs. Operating Temperature Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Architecture Gain Selection RG Power Dissipation Reference Terminal Input Voltage Range Layout Common-Mode Rejection Ratio over Frequency Power Supplies Reference Pin Input Bias Current Return Path Input Protection Input Voltages Beyond the Rails Large Differential Input Voltage at High Gain IMAX Radio Frequency Interference (RFI) Calculating the Noise of the Input Stage Source Resistance Noise Voltage Noise of the Instrumentation Amplifier Current Noise of the Instrumentation Amplifier Total Noise Density Calculation Outline Dimensions Ordering Guide
