Datasheet > LT1993-2

LT1993-2

更新时间： 2024-11-29 03:13:51

品牌	Logo	应用领域
凌特 - Linear		驱动器
页数	文件大小	规格书
16页	221K
描述
1.3GHz Low Noise, Low Distortion Differential ADC Driver for 140MHz IF

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中文翻译

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数据手册

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LT1993-2 数据手册

LTC6401-20

1.3GHz Low Noise, Low

Distortion Differential ADC

Driver for 140MHz IF

FEATURES

DESCRIPTION

The LTC^®6401-20 is a high-speed differential ampliﬁer

targeted at processing signals from DC to 140MHz. The

part has been speciﬁcally designed to drive 12-, 14- and

16-bitADCswithlownoiseandlowdistortion,butcanalso

be used as a general-purpose broadband gain block.

■

1.3GHz –3dB Bandwidth

■

Fixed Gain of 10V/V (20dB)

■

–93dBc IMD at 70MHz (Equivalent OIP = 50.5dBm)

■

–74dBc IMD at 140MHz (Equivalent OIP = 41dBm)

1nV/√Hz Internal Op Amp Noise

2.1nV/√Hz Total Input Noise

6.2dB Noise Figure

Differential Inputs and Outputs

200Ω Input Impedance

2.85V to 3.5V Supply Voltage

50mA Supply Current (150mW)

1V to 1.6V Output Common Mode Voltage,

Adjustable

DC- or AC-Coupled Operation

The LTC6401-20 is easy to use, with minimal support

circuitry required. The output common mode voltage is

set using an external pin, independent of the inputs, which

eliminates the need for transformers or AC-coupling ca-

pacitors in many applications. The gain is internally ﬁxed

at 20dB (10V/V).

The LTC6401-20 saves space and power compared to

alternative solutions using IF gain blocks and transform-

ers. The LTC6401-20 is packaged in a compact 16-lead

3mm × 3mm QFN package and operates over the –40°C

to 85°C temperature range.

■

Max Differential Output Swing 4.4V

P-P

Small 16-Lead 3mm × 3mm × 0.75mm QFN Package

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

All other trademarks are the property of their respective owners.

APPLICATIONS

■

Differential ADC Driver

■

Differential Driver/Receiver

■

Single Ended to Differential Conversion

IF Sampling Receivers

■

SAW Filter Interfacing

TYPICAL APPLICATION

Single-Ended to Differential ADC Driver

Equivalent Output IP3 vs Frequency

(NOTE 7)

3.3V

1.25V

0.1μF + 1000pF

0.1μF

3.3V

0.1μF

OCM

10Ω

–

INPUT

66.5Ω

+IN

+OUT

+OUTF

AIN

LTC6401-20

LTC2208

–OUTF

–OUT

–IN

ENABLE

–

29Ω

LTC2208 130Msps

16-Bit ADC

20dB GAIN

640120 TA01a

100

150

200

FREQUENCY (MHz)

640120 TA01b

640120f

12 3 4 5 6 7...16

中文翻译

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与LT1993-2相关器件

型号	品牌	获取价格	描述	数据表
LT1993-4	Linear	获取价格	1.3GHz Low Noise, Low Distortion Differential ADC Driver for 140MHz IF
LT1993-4	ADI	获取价格	900MHz、低失真、低噪声差分放大器 / ADC 驱动器 (AV = 4V/V)
LT1993CUD-10	Linear	获取价格	700MHz Low Distortion, Low Noise Differential Amplifi er/ADC Driver (AV = 10V/V)
LT1993CUD-2	Linear	获取价格	800MHz Low Distortion, Low Noise Differential Amplifi er/ADC Driver (AV = 2V/V)
LT1993CUD-2#PBF	Linear	获取价格	LT1993-2 - 800MHz Low Distortion, Low Noise Differential Amplifier ADC Driver (Av = 2V/V);
LT1993CUD-2#TRPBF	Linear	获取价格	LT1993-2 - 800MHz Low Distortion, Low Noise Differential Amplifier ADC Driver (Av = 2V/V);
LT1993CUD-4	Linear	获取价格	900MHz Low Distortion, Low Noise Differential Amplifi er/ADC Driver (AV = 4V/V)
LT1993CUD-4#PBF	Linear	获取价格	LT1993-4 - 900MHz Low Distortion, Low Noise Differential Amplifier/ADC Driver (AV = 4V/V);
LT1993CUD-4#TR	Linear	获取价格	LT1993-4 - 900MHz Low Distortion, Low Noise Differential Amplifier/ADC Driver (AV = 4V/V);
LT1993CUD-4#TRPBF	Linear	获取价格	LT1993-4 - 900MHz Low Distortion, Low Noise Differential Amplifier/ADC Driver (AV = 4V/V);

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