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AD637A 数据表(PDF) 2 Page - Analog Devices |
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AD637A 数据表(HTML) 2 Page - Analog Devices |
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2 / 10 page  AD637–SPECIFICATIONS (@ +25 C, and 15 V dc unless otherwise noted) REV. E –2– AD637J/A AD637K/B AD637S Model Min Typ Max Min Typ Max Min Typ Max Units TRANSFER FUNCTION V OUT = avg .(V IN ) 2 V OUT = avg .(V IN ) 2 V OUT = avg .(V IN ) 2 CONVERSION ACCURACY Total Error, Internal Trim1 (Fig. 2) 1 0.5 0.5 0.2 1 0.5 mV ± % of Reading TMIN to TMAX 3.0 0.6 2.0 0.3 6 0.7 mV ± % of Reading vs. Supply, + VIN = +300 mV 30 150 30 150 30 150 µV/V vs. Supply, – VIN = –300 mV 100 300 100 300 100 300 µV/V DC Reversal Error at 2 V 0.25 0.1 0.25 % of Reading Nonlinearity 2 V Full Scale2 0.04 0.02 0.04 % of FSR Nonlinearity 7 V Full Scale 0.05 0.05 0.05 % of FSR Total Error, External Trim ±0.5 ± 0.1 ± 0.25 ± 0.05 ± 0.5 ± 0.1 mV ± % of Reading ERROR VS. CREST FACTOR3 Crest Factor 1 to 2 Specified Accuracy Specified Accuracy Specified Accuracy Crest Factor = 3 ±0.1 ± 0.1 ± 0.1 % of Reading Crest Factor = 10 ±1.0 ± 1.0 ± 1.0 % of Reading AVERAGING TIME CONSTANT 25 25 25 ms/ µF C AV INPUT CHARACTERISTICS Signal Range, ±15 V Supply Continuous RMS Level 0 to 7 0 to 7 0 to 7 V rms Peak Transient Input ±15 ± 15 ± 15 V p-p Signal Range, ±5 V Supply Continuous rms Level 0 to 4 0 to 4 0 to 4 V rms Peak Transient Input ±6 ± 6 ± 6 V p-p Maximum Continuous Nondestructive Input Level (All Supply Voltages) ±15 ± 15 ± 15 V p-p Input Resistance 6.4 8 9.6 6.4 8 9.6 6.4 8 9.6 k Ω Input Offset Voltage ±0.5 ± 0.2 ± 0.5 mV FREQUENCY RESPONSE4 Bandwidth for 1% Additional Error (0.09 dB) V IN = 20 mV 11 11 11 kHz V IN = 200 mV 66 66 66 kHz VIN = 2 V 200 200 200 kHz ±3 dB Bandwidth VIN = 20 mV 150 150 150 kHz V IN = 200 mV 1 1 1 MHz V IN = 2 V 8 8 8 MHz OUTPUT CHARACTERISTICS Offset Voltage 1 0.5 1 mV vs. Temperature ±0.05 0.089 ± 0.04 0.056 ± 0.04 0.07 mV/ °C Voltage Swing, ±15 V Supply, 2 k Ω Load 0 to +12.0 +13.5 0 to +12.0 +13.5 0 to +12.0 +13.5 V Voltage Swing, ±3 V Supply, 2 k Ω Load 0 to +2 +2.2 0 to +2 +2.2 0 to +2 +2.2 V Output Current 66 6 mA Short Circuit Current 20 20 20 mA Resistance, Chip Select “High” 0.5 0.5 0.5 Ω Resistance, Chip Select “Low” 100 100 100 k Ω dB OUTPUT Error, VIN 7 mV to 7 V rms, 0 dB = 1 V rms ±0.5 ± 0.3 ± 0.5 dB Scale Factor –3 –3 –3 mV/dB Scale Factor Temperature Coefficient +0.33 +0.33 +0.33 % of Reading/ °C –0.033 –0.033 –0.033 dB/ °C IREF for 0 dB = 1 V rms 5 20 80 520 80 520 80 µA IREF Range 1 100 1 100 1 100 µA BUFFER AMPLIFIER Input Output Voltage Range –V S to (+V S –V S to (+V S –V S to (+VS – 2.5 V) – 2.5 V) – 2.5 V) V Input Offset Voltage ±0.8 2 ± 0.5 1 ± 0.8 2 mV Input Current ±2 10 ± 2 5 ± 2 10 nA Input Resistance 108 108 108 Ω Output Current (+5 mA, (+5 mA, (+5 mA, –130 µA) –130 µA) –130 µA) Short Circuit Current 20 20 20 mA Small Signal Bandwidth 1 1 1 MHz Slew Rate5 55 5 V/ µs DENOMINATOR INPUT Input Range 0 to +10 0 to +10 0 to +10 V Input Resistance 20 25 30 20 25 30 20 25 30 k Ω Offset Voltage ±0.2 ±0.5 ± 0.2 ± 0.5 ± 0.2 ± 0.5 mV CHIP SELECT PROVISION (CS) RMS “ON” Level Open or +2.4 V < VC < +VS Open or +2.4 V < VC < +VS Open or +2.4 V < VC < +VS RMS “OFF” Level V C < +0.2 V V C < +0.2 V V C < +0.2 V I OUT of Chip Select CS “LOW” 10 10 10 µA CS “HIGH” Zero Zero Zero On Time Constant 10 µs + ((25 kΩ) × C AV ) 10 µs + ((25 kΩ) × C AV ) 10 µs + ((25 kΩ) × C AV ) Off Time Constant 10 µs + ((25 kΩ) × C AV ) 10 µs + ((25 kΩ) × C AV ) 10 µs + ((25 kΩ) × C AV ) POWER SUPPLY Operating Voltage Range 3.0 18 3.0 18 3.0 18 V Quiescent Current 2.2 3 2.2 3 2.2 3 mA Standby Current 350 450 350 450 350 450 µA TRANSISTOR COUNT 107 107 107 |
类似零件编号 - AD637A |
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类似说明 - AD637A |
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