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G1540 Datasheet
Low Power Quadruple Operational Amplifiers

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Global Mixed-mode Technology Inc.
G1540
Low Power Quadruple Operational Amplifiers
Features
„ Wide Supply Operation Range +4.5V to +16V
„ Input Common Voltage Range Beyond the Rails
„ Rail-to-Rail Output Voltage Swing
„ Low Input Offset Voltage 3mV (Typical)
„ Wide Bandwidth (unit gain) 4MHz
„ Low Quiescent Current: 500µA per Amplifier
„ Large DC Voltage Gain 100dB (Typical)
„ Slew-Rate 5.5V/us
„ Unit-Gain Stable
Applications
„ Portable Equipment
„ LCD-TV Equipment
„ Battery-Powered Equipment
„ ASIC Input or Output Amplifier
„ Low Power/Low Voltage Applications
General Description
The G1540 consists of four independent, high gain,
internally frequency compensated operational amplifi-
ers which were designed to operate from a single
power supply over a wide range of voltages. Operation
from split power supplies is also possible. The input
common mode range of the G1540 can be beyond the
rails, and the G1540 are with rail-to-rails output volt-
age swing. The quiescent current is 500µA per ampli-
fier.
The G1540 also feature fast slewing and settle-times,
as well as high output drive capability of 60mA
(source/sink).These features make these amplifiers
ideal for use as reference buffers for TFT-LCD. Other
applications include battery power, portable devices,
and anywhere low power consumption is important.
The G1540 is housed in a 14-pin SOP, TSSOP and
TQFN4X4-16 packages.
Ordering Information
ORDER
NUMBER
MARKING
G1540P21U
G1540
G1540D21U
G1540
G1540R81U
1540
Note: P2 : SOP-14 D2:TSSOP-14
1: Bonding Code
U: Tape & Reel
R8: TQFN4X4-16
Pin Configuration
TEMP.
RANGE
-40°C~ +85°C
-40°C~ +85°C
-40°C~ +85°C
PACKAGE
(Green)
SOP-14
TSSOP-14
TQFN4X4-16
G1540
VOUTA 1
VINA- 2
VINA+ 3
VCC 4
VINB+ 5
VINB- 6
VOUTB 7
+
+
14 VOUTD
13 VIND-
+ 12 VIND+
11 VSS
10 VINC+
+
9 VINC-
8 VOUTC
SOP-14/TSSOP-14
Ver: 1.2
Jun 03, 2009
1
VINA- 1
VINA+ 2
VCC 3
VINB+ 4
Thermal
Pad
12 VIND-
11 VND+
10 VSS
9 VINC+
G1540 TQFN4X4-16
Note: Recommend connecting the Thermal Pad to
the Ground for excellent power dissipation.
TEL: 886-3-5788833
http://www.gmt.com.tw
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