LT1351
250碌A(chǔ), 3MHz, 200V/碌s
Operational Amplifier
FEATURES
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DESCRIPTION
The LT
廬
1351 is a low power, high speed, high slew rate
operational amplifier with outstanding AC and DC perfor-
mance. The LT1351 features lower supply current, lower
input offset voltage, lower input bias current and higher
DC gain than devices with comparable bandwidth. The
circuit combines the slewing performance of a current
feedback amplifier in a true operational amplifier with
matched high impedance inputs. The high slew rate en-
sures that the large-signal bandwidth is not degraded. The
amplifier is a single gain stage with outstanding settling
characteristics which make the circuit an ideal choice for
data acquisition systems. The output drives a 1k鈩?load to
鹵13V
with
鹵15V
supplies and a 500鈩?load to
鹵3.4V
on
鹵5V
supplies. The amplifier is also stable with any capacitive
load which makes it useful in buffer or cable driver
applications.
The LT1351 is a member of a family of fast, high perfor-
mance amplifiers using this unique topology and employ-
ing Linear Technology Corporation鈥檚 advanced
complementary bipolar processing. For dual and quad
amplifier versions of the LT1351 see the LT1352/LT1353
data sheet. For higher bandwidth devices with higher
supply current see the LT1354 through LT1365 data sheets.
Singles, duals and quads of each amplifier are available.
, LTC and LT are registered trademarks of Linear Technology Corporation.
C-Load is a trademark of Linear Technology Corporation.
3MHz Gain Bandwidth
200V/碌s Slew Rate
250碌A(chǔ) Supply Current
Available in Tiny MSOP Package
C-Load
TM
Op Amp Drives All Capacitive Loads
Unity-Gain Stable
Power Saving Shutdown Feature
Maximum Input Offset Voltage: 600碌V
Maximum Input Bias Current: 50nA
Maximum Input Offset Current: 15nA
Minimum DC Gain, R
L
= 2k: 30V/mV
Input Noise Voltage: 14nV/鈭欻z
Settling Time to 0.1%, 10V Step: 700ns
Settling Time to 0.01%, 10V Step: 1.25碌s
Minimum Output Swing into 1k:
鹵13V
Minimum Output Swing into 500鈩?
鹵3.4V
Specified at
鹵2.5V, 鹵5V
and
鹵15V
APPLICATIONS
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Battery-Powered Systems
Wideband Amplifiers
Buffers
Active Filters
Data Acquisition Systems
Photodiode Amplifiers
TYPICAL APPLICATION
Instrumentation Amplifier
R1
50k
R2
5k
R5
1.1k
R3
5k
R4
50k
Large-Signal Response
鈥?/div>
LT1351
鈥?/div>
LT1351
V
OUT
鈥?/div>
V
IN
+
+
+
GAIN = [R4/R3][1 + (1/2)(R2/R1 + R3/R4) + (R2 + R3)/R5] = 102
TRIM R5 FOR GAIN
TRIM R1 FOR COMMON MODE REJECTION
BW = 30kHz
1351 TA01
A
V
= 鈥?
U
U
U
1351 TA02
1
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