Datasheet LT1221 (Analog Devices)

制造商Analog Devices
描述150MHz, 250V/µs, AV ≥ 4 Operational Amplifier
页数 / 页12 / 1 — FEATURES. DESCRIPTIO. Gain-Bandwidth: 150MHz. Gain of 4 Stable. Slew …
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FEATURES. DESCRIPTIO. Gain-Bandwidth: 150MHz. Gain of 4 Stable. Slew Rate: 250V/. APPLICATIO S. TYPICAL APPLICATIO

Datasheet LT1221 Analog Devices

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LT1221 150MHz, 250V/µs, AV ≥ 4 Operational Amplifier
U FEATURES DESCRIPTIO

Gain-Bandwidth: 150MHz
The LT®1221 is a very high speed operational amplifier ■
Gain of 4 Stable
with superior DC performance. The LT1221 is stable in a ■
Slew Rate: 250V/
µ
s
noise gain of 4 or greater. It features reduced input offset ■ Input Noise Voltage: 6nV/√Hz voltage, lower input bias currents and higher DC gain than ■ C-LoadTM Op Amp Drives Capacitive Loads devices with comparable bandwidth and slew rate. The ■ Maximum Input Offset Voltage: 600µV circuit is a single gain stage that includes proprietary DC ■ Maximum Input Bias Current: 300nA gain enhancement circuitry to obtain precision with high ■ Maximum Input Offset Current: 300nA speed. The high gain and fast settling time make the circuit ■ Minimum Output Swing Into 500Ω: ±12V an ideal choice for data acquisition systems. The circuit is ■ Minimum DC Gain: 50V/mV, RL = 500Ω also capable of driving capacitive loads which makes it ■ Settling Time to 0.1%: 65ns, 10V Step useful in buffer or cable driver applications. ■ Settling Time to 0.01%: 85ns, 10V Step The LT1221 is a member of a family of fast, high perfor- ■ Differential Gain: 0.08%, AV = 4, RL = 150Ω mance amplifiers that employ Linear Technology ■ Differential Phase: 0.2°, A
U
V = 4, RL = 150Ω Corporation’s advanced complementary bipolar process-
APPLICATIO S
ing. For unity-gain stable applications the LT1220 can be used, and for gains of 10 or greater the LT1222 can be used. ■ Wideband Amplifiers , LTC and LT are registered trademarks of Linear Technology Corporation ■ Buffers C-Load is a trademark of Linear Technology Corporation ■ Active Filters ■ Video and RF Amplification ■ Cable Drivers ■ 8-, 10-, 12-Bit Data Acquisition Systems
U TYPICAL APPLICATIO Summing Amplifier Large-Signal Response Summing Amplifier
1k 1k VA 1k VB – V 1k LT1221 OUT VC + LT1221 • TA01 LT1221 • TA02 VS = ±15V f = 2MHz VIN = 10VP-P 1