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Global Mixed-mode Technology Inc.

G1212

Rail-to-Rail I/O OP Amp

Features

Single-Supply Operation: 2.0V to 5.5V

Low Supply Current: 700 碌A(chǔ)

Wide Bandwidth: 3 MHz

Slew Rate: 1 V/碌s

No Phase Reversal

Unity Gain Stable

Small, 5-Pin SOT23-5 Package available

General Description

The G1212 is a rail-to-rail input and output sin-

gle-supply amplifiers. This high output current makes

these amplifiers excellent for driving either resistive or

capacitive loads. AC performance is very good with

3.0MHz bandwidth.

The very low input bias currents enable the G1212 to

be used for integrators and diode amplification and

other applications requiring low input bias current. The

supply current is only 700碌A(chǔ) per amplifier at 3.0V,

allowing low current applications to control high cur-

rent loads.

Applications include audio amplification for computers,

sound ports, sound cards and set-top boxes. The

G1212 is very stable and capable of driving capacitive

loads. The ability to swing rail-to-rail at the inputs and

outputs enables designers to buffer CMOS ADC/DACs,

ASICs or other wide output swing devices in sin-

gle-supply systems.

Applications

Battery-Powered Instruments

Portable Equipment

Audio Signal Conditioning

Multimedia Audio

ASIC Input or Output Amplifier

Ordering Information

PART

G1212

TEMP. RANGE

0擄C to 70擄C

PIN-PACKAGE

SOT23-5

Pin Configuration

Typical Application Circuit

G1212

OUT

V

DD

1

5

V

SS

IN

2

+

-

VDD

2

+

G1212

G121

1

RL

2K

OUT

3

4

-

5

4

IN-

IN+

3

SOT23-5

Ver 1.0

Jul 30, 2001

TEL: 886-3-5788833

http://www.gmt.com.tw

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