Datasheet AD8429 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | 1 nV/√Hz Low Noise Instrumentation Amplifier |
| Pages / Page | 21 / 5 — AD8429. Data Sheet. A Grade. B Grade. Parameter. Test … |
| Revision | A |
| File Format / Size | PDF / 735 Kb |
| Document Language | English |
AD8429. Data Sheet. A Grade. B Grade. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit
Text Version of Document
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AD8429 Data Sheet A Grade B Grade Parameter Test Conditions/Comments Min Typ Max Min Typ Max Unit
Settling Time 0.01% 10 V step G = 1 0.75 0.75 µs G = 10 0.65 0.65 µs G = 100 0.85 0.85 µs G = 1000 5 5 µs Settling Time 0.001% 10 V step G = 1 0.9 0.9 µs G = 10 0.9 0.9 µs G = 100 1.2 1.2 µs G = 1000 7 7 µs Slew Rate G = 1 to 100 22 22 V/µs THD First five harmonics, f = 1 kHz, RL = 2 kΩ, VOUT = 10 V p-p G = 1 −130 −130 dBc G = 10 −116 −116 dBc G = 100 −113 −113 dBc G = 1000 −111 −111 dBc THD + N f = 1 kHz, RL = 2 kΩ, VOUT = 10 V p-p G = 100 0.0005 0.0005 % GAIN3 G = 1 + (6 kΩ/RG) Gain Range 1 10000 1 10000 V/V Gain Error VOUT = ±10 V G = 1 0.05 0.02 % G > 1 0.3 0.15 % Gain Nonlinearity VOUT = −10 V to +10 V G = 1 to 1000 RL = 10 kΩ 2 2 ppm Gain vs. Temperature G = 1 2 5 2 5 ppm/°C G > 1 −100 −100 ppm/°C INPUT Impedance (Pin to Ground)4 1.5||3 1.5||3 GΩ||pF Input Operating Voltage VS = ±4 V to ±18 V −VS + 2.8 +VS − 2.5 −VS + 2.8 +VS − 2.5 V Range5 OUTPUT Output Swing RL = 2 kΩ −VS + 1.8 +Vs − 1.2 −VS + 1.8 +Vs − 1.2 V Over Temperature −VS + 1.9 +Vs − 1.3 −VS + 1.9 +Vs − 1.3 V Output Swing RL = 10 kΩ −VS + 1.7 +Vs − 1.1 −VS + 1.7 +Vs − 1.1 V Over Temperature −VS + 1.8 +Vs − 1.2 −VS + 1.8 +Vs − 1.2 V Short-Circuit Current 35 35 mA REFERENCE INPUT RIN 10 10 kΩ IIN VIN+, VIN− = 0 V 70 70 µA Voltage Range −VS +VS V Reference Gain to Output 1 1 V/V Reference Gain Error 0.01 0.05 0.01 0.05 % Rev. A | Page 4 of 20 Document Outline FEATURES APPLICATIONS PIN CONNECTION DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE RG Power Dissipation REFERENCE TERMINAL INPUT VOLTAGE RANGE LAYOUT Common-Mode Rejection Ratio over Frequency Power Supplies and Grounding 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
AD8429 Data Sheet A Grade B Grade Parameter Test Conditions/Comments Min Typ Max Min Typ Max Unit
Settling Time 0.01% 10 V step G = 1 0.75 0.75 µs G = 10 0.65 0.65 µs G = 100 0.85 0.85 µs G = 1000 5 5 µs Settling Time 0.001% 10 V step G = 1 0.9 0.9 µs G = 10 0.9 0.9 µs G = 100 1.2 1.2 µs G = 1000 7 7 µs Slew Rate G = 1 to 100 22 22 V/µs THD First five harmonics, f = 1 kHz, RL = 2 kΩ, VOUT = 10 V p-p G = 1 −130 −130 dBc G = 10 −116 −116 dBc G = 100 −113 −113 dBc G = 1000 −111 −111 dBc THD + N f = 1 kHz, RL = 2 kΩ, VOUT = 10 V p-p G = 100 0.0005 0.0005 % GAIN3 G = 1 + (6 kΩ/RG) Gain Range 1 10000 1 10000 V/V Gain Error VOUT = ±10 V G = 1 0.05 0.02 % G > 1 0.3 0.15 % Gain Nonlinearity VOUT = −10 V to +10 V G = 1 to 1000 RL = 10 kΩ 2 2 ppm Gain vs. Temperature G = 1 2 5 2 5 ppm/°C G > 1 −100 −100 ppm/°C INPUT Impedance (Pin to Ground)4 1.5||3 1.5||3 GΩ||pF Input Operating Voltage VS = ±4 V to ±18 V −VS + 2.8 +VS − 2.5 −VS + 2.8 +VS − 2.5 V Range5 OUTPUT Output Swing RL = 2 kΩ −VS + 1.8 +Vs − 1.2 −VS + 1.8 +Vs − 1.2 V Over Temperature −VS + 1.9 +Vs − 1.3 −VS + 1.9 +Vs − 1.3 V Output Swing RL = 10 kΩ −VS + 1.7 +Vs − 1.1 −VS + 1.7 +Vs − 1.1 V Over Temperature −VS + 1.8 +Vs − 1.2 −VS + 1.8 +Vs − 1.2 V Short-Circuit Current 35 35 mA REFERENCE INPUT RIN 10 10 kΩ IIN VIN+, VIN− = 0 V 70 70 µA Voltage Range −VS +VS V Reference Gain to Output 1 1 V/V Reference Gain Error 0.01 0.05 0.01 0.05 % Rev. A | Page 4 of 20 Document Outline FEATURES APPLICATIONS PIN CONNECTION DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE RG Power Dissipation REFERENCE TERMINAL INPUT VOLTAGE RANGE LAYOUT Common-Mode Rejection Ratio over Frequency Power Supplies and Grounding 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
