Datasheet LT1352, LT1353 (Analog Devices)

LT1352/LT1353 Dual and Quad 250µA, 3MHz, 200V/µs Operational Amplifiers
U FEATURES DESCRIPTIO
■
3MHz Gain Bandwidth
The LT®1352/LT1353 are dual and quad, very low power, ■
200V/
µ
s Slew Rate
high speed operational amplifiers with outstanding AC ■
250
µ
A Supply Current per Amplifier
and DC performance. The amplifiers feature much lower ■ C-LoadTM Op Amp Drives All Capacitive Loads supply current and higher slew rate than devices with ■ Unity-Gain Stable comparable bandwidth. The circuit combines the slewing ■ Maximum Input Offset Voltage: 600µV performance of a current feedback amplifier in a true ■ Maximum Input Bias Current: 50nA operational amplifier with matched high impedance ■ Maximum Input Offset Current: 15nA inputs. The high slew rate ensures that the large-signal ■ Minimum DC Gain, RL = 2k: 30V/mV bandwidth is not degraded. Each output is capable of ■ Input Noise Voltage: 14nV/√Hz driving a 1kΩ load to ±13V with ±15V supplies and a 500Ω ■ Settling Time to 0.1%, 10V Step: 700ns load to ±3.4V on ±5V supplies. ■ Settling Time to 0.01%, 10V Step: 1.25µs The LT1352/LT1353 are members of a family of fast, high ■ Minimum Output Swing into 1k: ±13V performance amplifiers using this unique topology and ■ Minimum Output Swing into 500Ω: ±3.4V employing Linear Technology Corporation’s advanced ■ Specified at ±2.5V, ±5V and ±15V complementary bipolar processing. For higher bandwidth ■ Available in SO-8 Package devices with higher supply current see the LT1354 through ■ LT1353 in Narrow Surface Mount Package LT1365 data sheets. Bandwidths of 12MHz, 25MHz, 50MHz
U
and 70MHz are available with 1mA, 2mA, 4mA and 6mA of
APPLICATIO S
supply current per amplifier. Singles, duals and quads of each amplifier are available. The LT1352 is available in an ■ Battery-Powered Systems 8-lead SO package. The LT1353 is offered in a 14-lead ■ Wideband Amplifiers narrow surface mount package. ■ Buffers ■ Active Filters , LTC and LT are registered trademarks of Linear Technology Corporation. C-Load is a trademark of Linear Technology Corporation. ■ Data Acquisition Systems ■ Photodiode Amplifiers
U TYPICAL APPLICATIO Instrumentation Amplifier Large-Signal Response
R1 R2 R5 R4 50k 5k 1.1k 50k – R3 1/2 5k LT1352 – 1/2 – + V LT1352 OUT VIN + + 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 1352/53 TA01 AV = –1 1352/53 TA02 13523fa 1