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LT1207

Linear Technology
Part Number LT1207
Manufacturer Linear Technology
Description Dual 250mA/60MHz Current Feedback Amplifier
Published Mar 22, 2005
Detailed Description LT1207 Dual 250mA/60MHz Current Feedback Amplifier FEATURES s s s s s s s s DESCRIPTIO U APPLICATIO S s s s s s s 250...
Datasheet PDF File LT1207 PDF File

LT1207
LT1207

Overview
LT1207 Dual 250mA/60MHz Current Feedback Amplifier FEATURES s s s s s s s s DESCRIPTIO U APPLICATIO S s s s s s s 250mA Minimum Output Drive Current 60MHz Bandwidth, AV = 2, RL = 100Ω 900V/µs Slew Rate, AV = 2, RL = 50Ω 0.
02% Differential Gain, AV = 2, RL = 30Ω 0.
17° Differential Phase, AV = 2, RL = 30Ω High Input Impedance: 10MΩ Shutdown Mode: IS < 200µA per Amplifier Stable with CL = 10,000pF ADSL/HDSL Drivers Video Amplifiers Cable Drivers RGB Amplifiers Test Equipment Amplifiers Buffers The LT ® 1207 is a dual version of the LT1206 high speed current feedback amplifier.
Like the LT1206, each CFA in the dual has excellent video characteristics: 60MHz bandwidth, 250mA minimum output drive current, 400V/µs minimum slew rate, low differential gain (0.
02% typ) and low differential phase (0.
17° typ).
The LT1207 includes a pin for an optional compensation network which stabilizes the amplifier for heavy capacitive loads.
Both amplifiers have thermal and current limit circuits which protect against fault conditions.
These capabilities make the LT1207 well suited for driving difficult loads such as cables in video or digital communication systems.
Operation is fully specified from ± 5V to ± 15V supplies.
Supply current is typically 20mA per amplifier.
Two micropower shutdown controls place each amplifier in a high impedance low current mode, dropping supply current to 200µA per amplifier.
For reduced bandwidth applications, supply current can be lowered by adding a resistor in series with the Shutdown pin.
The LT1207 is manufactured on Linear Technology's complementary bipolar process and is available in a low thermal resistance 16-lead SO package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATION 5V VIN SHDN A HDSL Driver 0.
1µF* + 2.
2µF** + 1/2 LT1207 – 720Ω 15k 240Ω 720Ω 720Ω 62Ω L1 – SHDN B 15k 1/2 LT1207 62Ω + + –5V 0.
1µF* 2.
2µF** U * CERAMIC ** TANTALUM L1 = TRANSPOWER SMPT–308 OR SIMILAR DEVICE 1207 • TA01 ...


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