Operational Amplifier - Burr-Brown
Description
OPA347 OPA2347
OPA347 ® OPA4347
OPA347
OPA347 OPA2347 OPA4347
SBOS167D – NOVEMBER 2000– REVISED JULY 2007
microPower, Rail-to-Rail Operational Amplifiers
FEATURES
q LOW IQ: 20µA q microSIZE PACKAGES: WCSP-8, SC70-5
SOT23-5, SOT23-8, and TSSOP-14 q HIGH SPEED/POWER RATIO WITH
BANDWIDTH: 350kHz q RAIL-TO-RAIL INPUT AND OUTPUT q SINGLE SUPPLY: 2.
3V to 5.
5V
APPLICATIONS
q PORTABLE EQUIPMENT q BATTERY-POWERED EQUIPMENT q 2-WIRE TRANSMITTERS q SMOKE DETECTORS q CO DETECTORS
DESCRIPTION
The OPA347 is a microPower, low-cost operational amplifier available in micropackages.
The OPA347 (single version) is available in the SC-70 and SOT23-5 packages.
The OPA2347 (dual version) is available in the SOT23-8 and WCSP-8 packages.
Both are also available in the SO-8.
The OPA347 is also available in the DIP-8.
The OPA4347 (quad) is available in the SO-14 and the TSSOP-14.
The small size and low power consumption (34µA per channel maximum) of the OPA347 make it ideal for portable and battery-powered applications.
The input range of the OPA347 extends 200mV beyond the rails, and the output range is within 5mV of the rails.
The OPA347 also features an excellent speed/power ratio with a bandwidth of 350kHz.
The OPA347 can be operated with a single or dual power supply from 2.
3V to 5.
5V.
All models are specified for operation from –55°C to +125°C.
OPA2347 (bump side down)
Not to Scale
Out 1 V– 2 +In 3
1
Out A –In A +In A
V–
18 27 36 45
WCSP-8 (top view)
V+ Out B –In B +In B NC 1
–In 2 +In 3 V– 4
OPA347
SOT23-5 OPA347
5 V+ 4 –In
OPA347
+In 1 V– 2 –In 3
5 V+ 4 Out
SC70-5
Out A 1 –In A 2 +In A 3
8 NC Out A 1 7 V+ –In A 2 6 Out +In A 3
OPA2347
A B
V+ 4
+In B
8 V+
–In B
7 Out B Out B
6 –In B
5 6 7
5 NC V– 4
5 +In B
SO-8, DIP-8
SOT23-8, SO-8
OPA4347 AD BC TSSOP-14, SO-14
14 Out D 13 –In D 12 +In D 11 V– 10 +In C 9 –In C 8 Out C
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instrum...
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