Datasheet > LT1994IMS8

LT1994IMS8

更新时间： 2024-11-29 05:43:27

品牌	Logo	应用领域
凌特 - Linear		驱动器放大器功率放大器
页数	文件大小	规格书
20页	289K
描述
Low Noise, Low Distortion Fully Differential Input/Output Amplifi er/Driver

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LT1994IMS8 数据手册

LT1994

Low Noise, Low Distortion

Fully Differential Input/

Output Ampliﬁer/Driver

DESCRIPTIO

FEATURES

TheLT^®1994isahighprecision,verylownoise,lowdistor-

tion, fully differential input/output ampliﬁer optimized for

3V,singlesupplyoperation.TheLT1994’soutputcommon

mode voltage is independent of the input common mode

voltage, and is adjustable by applying a voltage on the

■

Fully Differential Input and Output

■

Wide Supply Range: 2.375V to 12.6V

■

Rail-to-Rail Output Swing

Low Noise: 3nV/√Hz

Low Distortion, 2V , 1MHz: –94dBc

■

P-P

■

Adjustable Output Common Mode Voltage

Unity Gain Stable

OCM

pin. A separate internal common mode feedback

pathprovidesaccurateoutputphasebalancingandreduced

even-order harmonics. This makes the LT1994 ideal for

level shifting ground referenced signals for driving dif-

ferential input, single supply ADCs.

Gain-Bandwidth: 70MHz

Slew Rate: 65V/μs

Large Output Current: 85mA

DC Voltage Offset <2mV MAX

Open-Loop Gain: 100V/mV

Low Power Shutdown

The LT1994 output can swing rail-to-rail and is capable

of sourcing and sinking up to 85mA. In addition to the

low distortion characteristics, the LT1994 has a low input

referred voltage noise of 3nV/√Hz. This part maintains

its performance for supply voltages as low as 2.375V. It

draws only 13.3mA of supply current and has a hardware

shutdown feature that reduces current consumption to

225µA.

8-Pin MSOP or 3mm × 3mm DFN Package

APPLICATIO S

■

Differential Input A/D Converter Driver

■

Single-Ended to Differential Conversion

■

Differential Ampliﬁcation with Common Mode

The LT1994 is available in an 8-pin MSOP or 8-pin DFN

package.

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

All other trademarks are the property of their respective owners.

Translation

■

Rail-to-Rail Differential Line Driver/Receiver

■

Low Voltage, Low Noise, Differential Signal

Processing

TYPICAL APPLICATIO

LT1994 Driving an LTC1403A-1 1MHz

Sine Wave, 8192 Point FFT Plot

A/D Preampliﬁer: Single-Ended Input to Differential Output with Common

Mode Level Shifting

–10

= 2.8Msps

SAMPLE

= 1.001MHz

499Ω

INPUT = 2V

–20

P-P

10µF

SINGLE ENDED

SFDR = 93dB

–30

P-P

0.1µF

–40

–50

SD0

24.9Ω

–60

– +

CONV

SCK

–70

LT1994

47pF

LTC1403A-1

–

OCM

50.4MHz

–80

0.1µF

+ –

–90

GND

REF

–100

–110

–120

10µF

= 1.5V

OCM

0.35

0.70

1.05

1.40

499Ω

1994 TA01

FREQUENCY (MHz)

1994 TA01b

1994fa

12 3 4 5 6 7...20

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与LT1994IMS8相关器件

型号	品牌	获取价格	描述	数据表
LT1994IMS8#PBF	Linear	获取价格	LT1994 - Low Noise, Low Distortion Fully Differential Input/Output Amplifier/Driver; Packa
LT1994IMS8#TR	Linear	获取价格	LT1994 - Low Noise, Low Distortion Fully Differential Input/Output Amplifier/Driver; Packa
LT1995	Linear	获取价格	32MHz, 1000V/μs Gain Selectable Amplifier
LT1995	ADI	获取价格	32MHz，1000V/μs 增益可选放大器
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

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