Datasheet Analog Devices AD8251 — 数据表

10 MHz, 20 V/μs, G = 1, 2, 4, 8 iCMOS
Programmable Gain Instrumentation Amplifier AD8251
FEATURES FUNCTIONAL BLOCK DIAGRAM
DGND WR Small package: 10-lead MSOP
Programmable gains: 1, 2, 4, 8
Digital or pin-programmable gain setting
Wide supply: ±5 V to ±15 V
Excellent dc performance
High CMRR: 98 dB (minimum), G = 8
Low gain drift: 10 ppm/°C (maximum)
Low offset drift: 1.8 μV/°C (maximum), G = 8
Excellent ac performance
Fast settling time: 785 ns to 0.001% (maximum)
High slew rate: 20 V/μs (minimum)
Low distortion: −110 dB THD at 1 kHz, 10 V swing
High CMRR over frequency: 80 dB to 50 kHz (minimum)
Low noise: 18 nV/√Hz, G = 8 (maximum)
Low power: 4.1 mA 2 4 OUT 7 +IN 10 8 3 9 +VS –VS REF 06287-001 AD8251 Figure 1.
25 20 Data acquisition
Biomedical analysis
Test and measurement G=8 15
GAIN (dB) G=4 GENERAL DESCRIPTION The AD8251 user interface consists of a parallel port that allows
users to set the gain in one of two ways (see Figure 1). A 2-bit word …

10 MHz, 20 V/μs, G = 1, 2, 4, 8 iCMOS
Programmable Gain Instrumentation Amplifier AD8251
FEATURES FUNCTIONAL BLOCK DIAGRAM
DGND WR Small package: 10-lead MSOP
Programmable gains: 1, 2, 4, 8
Digital or pin-programmable gain setting
Wide supply: ±5 V to ±15 V
Excellent dc performance
High CMRR: 98 dB (minimum), G = 8
Low gain drift: 10 ppm/°C (maximum)
Low offset drift: 1.8 μV/°C (maximum), G = 8
Excellent ac performance
Fast settling time: 785 ns to 0.001% (maximum)
High slew rate: 20 V/μs (minimum)
Low distortion: −110 dB THD at 1 kHz, 10 V swing
High CMRR over frequency: 80 dB to 50 kHz (minimum)
Low noise: 18 nV/√Hz, G = 8 (maximum)
Low power: 4.1 mA 2 4 OUT 7 +IN 10 8 3 9 +VS –VS REF 06287-001 AD8251 Figure 1.
25 20 Data acquisition
Biomedical analysis
Test and measurement G=8 15
GAIN (dB) G=4 GENERAL DESCRIPTION The AD8251 user interface consists of a parallel port that allows
users to set the gain in one of two ways (see Figure 1). A 2-bit word …