Datasheet Texas Instruments LMP7731MF/NOPB — 数据表

2.9 nV / sqrt（Hz）低噪声，精密，RRIO放大器5-SOT-23 -40至125

数据表

PDF, 1.1 Mb, 修订版: E, 档案已发布: Mar 27, 2013

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Lifecycle Status	Active (Recommended for new designs)
Manufacture's Sample Availability	Yes

Additional Features	N/A
Architecture	Bipolar
CMRR(Min)	101 dB
CMRR(Typ)	120 dB
GBW(Typ)	22 MHz
Input Bias Current(Max)	50000 pA
Iq per channel(Max)	3 mA
Iq per channel(Typ)	2.2 mA
Number of Channels	1
Offset Drift(Typ)	0.5 uV/C
Operating Temperature Range	-40 to 125 C
Output Current(Typ)	47 mA
Package Group	SOT-23
Package Size: mm2:W x L	5SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) PKG
Rail-to-Rail	In,Out
Rating	Catalog
Slew Rate(Typ)	2.4 V/us
Total Supply Voltage(Max)	5.5 +5V=5, +/-5V=10
Total Supply Voltage(Min)	1.8 +5V=5, +/-5V=10
Vn at 1kHz(Typ)	2.9 nV/rtHz
Vos (Offset Voltage @ 25C)(Max)	0.5 mV

RoHS

Compliant

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Lifecycle Status: Active (Recommended for new designs)
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PDF, 165 Kb, 修订版: A, 档案已发布: Apr 26, 2013
It is well known to analog experts that you can use the positive and negative inputs of an operationalamplifier to make a high-impedance current source (current pump) using a conventional operationalamplifier (op amp). This basic circuit can put out both + and - output current (or zero current) into variousloads. The theory is simple. But the practical problems involved are not so simple or

系列: LMP7731 (5)

Semiconductors > Amplifiers > Operational Amplifiers (Op Amps) > Precision Op Amps