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LT1995

更新时间： 2024-11-04 05:43:27

品牌	Logo	应用领域
凌特 - Linear		放大器
页数	文件大小	规格书
20页	353K
描述
32MHz, 1000V/μs Gain Selectable Amplifier

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LT1995 数据手册

LT1995

32MHz, 1000V/µs

Gain Selectable Amplifier

FEATURES

DESCRIPTIO

■

Internal Gain Setting Resistors

The LT^®1995 is a high speed, high slew rate, gain select-

able amplifier with excellent DC performance. Gains from

–7to8withagainaccuracyof0.2%canbeachievedusing

no external components. The device is particularly well

suitedforuseasadifferenceamplifier, wheretheexcellent

resistor matching results in a typical common mode

rejection ratio of 79dB.

■

Pin Configurable as a Difference Amplifier,

Inverting and Noninverting Amplifier

Difference Amplifier:

■

Gain Range 1 to 7

CMRR > 65dB

■

Noninverting Amplifier:

Gain Range 1 to 8

The amplifier is a single gain stage design similar to the

LT1363 and features superb slewing and settling charac-

teristics. Input offset of the internal operational amplifier

is less than 2.5mV and the slew rate is 1000V/µs. The

output can drive a 150Ω load to ±2.5V on ±5V supplies,

making it useful in cable driver applications.

■

Inverting Amplifier:

Gain Range –1 to –7

■

Gain Error: <0.2%

■

Slew Rate: 1000V/µs

■

Bandwidth: 32MHz (Gain = 1)

■

Op Amp Input Offset Voltage: 2.5mV Max

■

The resistors have excellent matching, 0.2% maximum at

room temperature and 0.3% from –40°C to 85°C. The

temperature coefficient of the resistors is typically

–30ppm/°C. The resistors are extremely linear with volt-

age, resulting in a gain nonlinearity of 10ppm.

Quiescent Current: 9mA Max

Wide Supply Range: ±2.5V to ±15V

Available in 10-Lead MSOP and

10-Lead (3mm × 3mm) DFN Packages

The LT1995 is fully specified at ±2.5V, ±5V and ±15V sup-

plies and from –40°C to 85°C. The device is available in

space saving 10-lead MSOP and 10-Lead (3mm × 3mm)

DFN packages. For a micropower precision amplifier with

precision resistors, see the LT1991 and LT1996.

APPLICATIO S

■

Instrumentation Amplifier

■

Current Sense Amplifier

■

Video Difference Amplifier

Automatic Test Equipment

■

, LTC and LT are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

TYPICAL APPLICATIO

High Slew Rate Differential Gain of 1

Large-Signal Transient (G = 1)

M1 M2 M4

15V

OUT

–

INPUT

RANGE

–15V TO 15V

LT1995

1995 TA01b

REF

P1 P2 P4

–15V

1995 TA01a

1995fb

12 3 4 5 6 7...20

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与LT1995相关器件

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LT1995CDD	Linear	获取价格	32MHz, 1000V/μs Gain Selectable Amplifier
LT1995CDD#PBF	Linear	获取价格	LT1995 - 30MHz, 1000V/µs Gain Selectable Amplifier; Package: DFN; Pins: 10; Tempe
LT1995CDD#TR	Linear	获取价格	LT1995 - 30MHz, 1000V/µs Gain Selectable Amplifier; Package: DFN; Pins: 10; Tempe
LT1995CDD#TRPBF	Linear	获取价格	LT1995 - 30MHz, 1000V/µs Gain Selectable Amplifier; Package: DFN; Pins: 10; Tempe
LT1995CMS	Linear	获取价格	32MHz, 1000V/μs Gain Selectable Amplifier
LT1995IDD	Linear	获取价格	32MHz, 1000V/μs Gain Selectable Amplifier
LT1995IDD#PBF	Linear	获取价格	LT1995 - 30MHz, 1000V/µs Gain Selectable Amplifier; Package: DFN; Pins: 10; Tempe
LT1995IDD#TR	Linear	获取价格	LT1995 - 30MHz, 1000V/µs Gain Selectable Amplifier; Package: DFN; Pins: 10; Tempe
LT1995IMS	Linear	获取价格	32MHz, 1000V/μs Gain Selectable Amplifier
LT1995IMS#PBF	Linear	获取价格	LT1995 - 30MHz, 1000V/µs Gain Selectable Amplifier; Package: MSOP; Pins: 10; Temp

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