Datasheet LT1220 (Analog Devices)
| Manufacturer | Analog Devices |
| Description | 45MHz, 250V/µs Operational Amplifier |
| Pages / Page | 12 / 1 — FEATURES. DESCRIPTIO. Gain-Bandwidth: 45MHz. Unity-Gain Stable. Slew … |
| File Format / Size | PDF / 273 Kb |
| Document Language | English |
FEATURES. DESCRIPTIO. Gain-Bandwidth: 45MHz. Unity-Gain Stable. Slew Rate: 250V/. APPLICATIO S. TYPICAL APPLICATIO
Model Line for this Datasheet
Text Version of Document
LT1220 45MHz, 250V/µs Operational Amplifier
U FEATURES DESCRIPTIO
■
Gain-Bandwidth: 45MHz
The LT®1220 is a high speed operational amplifier with ■
Unity-Gain Stable
superior DC performance. The LT1220 features reduced ■
Slew Rate: 250V/
µ
s
input offset voltage, lower input bias currents and higher ■ C-LoadTM Op Amp Drives Capacitive Loads DC gain than devices with comparable bandwidth and slew ■ Maximum Input Offset Voltage: 1mV rate. The circuit is a single gain stage that includes ■ Maximum Input Bias Current: 300nA proprietary DC gain enhancement circuitry to obtain pre- ■ Maximum Input Offset Current: 300nA cision with high speed. The high gain and fast settling time ■ Minimum Output Swing Into 500Ω: ±12V make the circuit an ideal choice for data acquisition ■ Minimum DC Gain: 20V/mV, RL = 500Ω systems. The circuit is also capable of driving large ■ Settling Time to 0.1%: 75ns, 10V Step capacitive loads which makes it useful in buffer or cable ■ Settling Time to 0.01%: 95ns, 10V Step driver applications. ■ Differential Gain: 0.1%, AV = 2, RL = 150Ω The LT1220 is a member of a family of fast, high perfor- ■ Differential Phase: 0.2°, AV = 2, RL = 150Ω mance amplifiers that employ Linear Technology
U
Corporation’s advanced complementary bipolar process-
APPLICATIO S
ing. For applications with gains of 4 or greater the LT1221 can be used, and for gains of 10 or greater the LT1222 can ■ Wideband Amplifiers be used for increased bandwidth. ■ Buffers , LTC and LT are registered trademarks of Linear Technology Corporation ■ Active Filters C-Load is a trademark of Linear Technology Corporation ■ Video and RF Amplification ■ Cable Drivers ■ 8-, 10-, 12-Bit Data Acquisition Systems
U TYPICAL APPLICATIO Two Op Amp Instrumentation Amplifier Inverter Pulse Response
R5 R4 220Ω 10k R1 R2 10k 1k – R3 1k – LT1220 + – LT1220 VOUT + 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 = 450kHz LT1220 • TA01 LT1220 • TA02 RF = RG = 1k VIN = 20V VS = ±15V f = 2MHz 1
U FEATURES DESCRIPTIO
■
Gain-Bandwidth: 45MHz
The LT®1220 is a high speed operational amplifier with ■
Unity-Gain Stable
superior DC performance. The LT1220 features reduced ■
Slew Rate: 250V/
µ
s
input offset voltage, lower input bias currents and higher ■ C-LoadTM Op Amp Drives Capacitive Loads DC gain than devices with comparable bandwidth and slew ■ Maximum Input Offset Voltage: 1mV rate. The circuit is a single gain stage that includes ■ Maximum Input Bias Current: 300nA proprietary DC gain enhancement circuitry to obtain pre- ■ Maximum Input Offset Current: 300nA cision with high speed. The high gain and fast settling time ■ Minimum Output Swing Into 500Ω: ±12V make the circuit an ideal choice for data acquisition ■ Minimum DC Gain: 20V/mV, RL = 500Ω systems. The circuit is also capable of driving large ■ Settling Time to 0.1%: 75ns, 10V Step capacitive loads which makes it useful in buffer or cable ■ Settling Time to 0.01%: 95ns, 10V Step driver applications. ■ Differential Gain: 0.1%, AV = 2, RL = 150Ω The LT1220 is a member of a family of fast, high perfor- ■ Differential Phase: 0.2°, AV = 2, RL = 150Ω mance amplifiers that employ Linear Technology
U
Corporation’s advanced complementary bipolar process-
APPLICATIO S
ing. For applications with gains of 4 or greater the LT1221 can be used, and for gains of 10 or greater the LT1222 can ■ Wideband Amplifiers be used for increased bandwidth. ■ Buffers , LTC and LT are registered trademarks of Linear Technology Corporation ■ Active Filters C-Load is a trademark of Linear Technology Corporation ■ Video and RF Amplification ■ Cable Drivers ■ 8-, 10-, 12-Bit Data Acquisition Systems
U TYPICAL APPLICATIO Two Op Amp Instrumentation Amplifier Inverter Pulse Response
R5 R4 220Ω 10k R1 R2 10k 1k – R3 1k – LT1220 + – LT1220 VOUT + 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 = 450kHz LT1220 • TA01 LT1220 • TA02 RF = RG = 1k VIN = 20V VS = ±15V f = 2MHz 1
