特性

• micro-SIZE, MINIATURE PACKAGES
  • Single: SOT-23-5, SO-8
  • Dual: MSOP-8, SO-8
  • Quad: SSOP-16 (Obsolete)
• LOW OFFSET VOLTAGE: 750µV max
• WIDE SUPPLY RANGE
  • single Supply: +2.7V to +36V
  • dual Supply: ±1.35V to ±18V
• LOW QUIESCENT CURRENT: 350µA max
• WIDE BANDWIDTH: 1.5MHz
• APPLICATIONS
  • BATTERY POWERED INSTRUMENTS
  • PORTABLE DEVICES
  • PCMCIA CARDS
  • MEDICAL Instruments
  • TEST EQUIPMENT

说明

The A37A op amp family is one of Texas instruments’ MicroAmplifier™ series of miniature products. In addition to small size, these devices feature low offset voltage, low quiescent current, low bias current, and a wide supply range. Single, dual, and quad versions have identical specifications for maximum design flexibility. They are ideal for single-supply, battery-operated, and space-limited applications, such as PCMCIA cards and other portable instruments.

A37A  series op amps can operate from either single or dual supplies. When operated from a single supply, the input common-mode range extends below ground and the output can swing to within 10mV of ground. Dual and quad designs feature completely independent circuitry for lowest crosstalk and freedom from interaction.

	B37A	A37A
Iq per channel(Max)(mA)	0.35	0.35
VIO (25 deg C)(Max)(mV)	0.75	0.75
CMRR(Min)(dB)	80	80
Vn at 1kHz(Typ)(nV/rtHz)	28	28
Rail-Rail	Out	Out
IIB(Max)(pA)	40000	40000
Slew Rate(Typ)(V/us)	0.5	0.5
GBW(Typ)(MHz)	1.5	1.5
Spec'd at Vs(V)	5	5
VIO (Full Range)(Max)(mV)	0.76	0.76
Vs(Min)(V)	2.7	2.7
Vs(Max)(V)	36	36
Pin/Package	MSOP-8	SOT-23-5
Open Loop Gain(Min)(dB)	80	80
Offset Drift(Typ)(uV/C)	2	2
Number of Channels	2	1
Approx. Price (US$)	0.90 | 1ku	0.55 | 1ku
Operating Temperature Range(°C)	-40 to 85
Total Supply Voltage (V)(Min)(+5V=5, +/-5V=10)	2.7	2.7
Total Supply Voltage (V)(Max)(+5V=5, +/-5V=10)	36	36

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