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Global Mixed-mode Technology Inc.
G1211
Rail-to-Rail I/O, High-Slew-Rate OP Amp
Features
„ +2.2V to +5.5V Single-Supply Operation
„ Input / Output Rail-to-Rail
„ Low input current
„ High output driving capacity
„ Low Quiescent Current: 500µA @ 5V
„ High Slew rate 6.5V/µs
„ High Gain-Bandwidth Product 6.5MHz
„ High Open Loop Gain 95dB
„ High PSRR 70dB
Applications
„ Headphone Driver
„ Portable Equipment
„ Battery-Powered Equipment
„ Multimedia Audio
„ ASIC Input or Output Amplifier
„ Sensor Amplifier
„ Low Power/Low Voltage Applications
General Description
G1211 is a input/output rail-to-rail Operational Ampli-
fier. It can be operated from +2.2V to +5.5V single
supply or from ±1.1V to ±2.75 dual supply. G1211 can
drive 66mA into resistor loads to within 10% power rail.
AC performance is very excellent with 6.5MHz band-
width, 6.5V/µs Slew Rate, 95dB open loop gain, 60
degree phase margin and low distortion.
Supply current of G1211 is only 500µA per Amplifier. It
is very suitable for low current consumption applica-
tions to control high current loads. Applications include
audio amplification for computers, sound ports, sound
cards and set-top boxes.
G1211 is housed in a 5-pin small SOT-23-5 and
SC-70-5 (SOT-353) package.
Ordering Information
ORDER NUMBER
(Pb free/Green)
MARKING
G1211TAUf
G1211T1Uf
11XX
1211X
Note:T1: SOT-23-5 TA: SC-70-5 (SOT-353)
U: Tape & Reel
TEMP.
RANGE
-40°C to 85°C
-40°C to 85°C
PACKAGE
SC-70-5 (SOT-353)
SOT-23-5
Pin Configuration
Typical Application Circuit
IN+ 1
G1211
5 VDD
VSS 2
IN- 3
4 OUT
SC-70-5/SOT-23-5
VDD
5
IN 1 +
G1211 4
3
OUT
2 RL
2K
Ver: 1.7
Apr 06, 2009
TEL: 886-3-5788833
http://www.gmt.com.tw
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