LTC1405

更新时间： 2024-11-25 22:55:51

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
16页	222K
描述
12-Bit, 5Msps, Sampling ADC

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数据手册

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LTC1405 数据手册

Fina l Ele c tric a l Sp e c ific a tio ns

LTC1405

12-Bit, 5Msp s,

Sa m p ling ADC

Ja nua ry 2000

DESCRIPTIO

FEATURES

The LTC^®1405 is a 5Msps, 12-bit sampling A/D converter

that draws only 115mW from either single 5V or dual ±5V

supplies. This easy-to-usedeviceincludes ahighdynamic

range sample-and-hold, a precision reference and a PGA

input circuit.

■

5Msps Sample Rate

Low Power Dissipation: 115mW

Single 5V Supply or ±5V Supplies

Integral Nonlinearity Error <0.35LSB

Differential Nonlinearity <0.25LSB

71.3dB S/(N + D) and 85dB SFDR at Nyquist

100MHz Full-Power Bandwidth Sampling

±2.048V, ±1.024V and ±0.512V Bipolar Input Range

Input PGA

Out-of-Range Indicator

True Differential Inputs with 75dB CMRR

28-Pin Narrow SSOP Package

■

The LTC1405 has a flexible input circuit that allows full-

scaleinputranges of±2.048V,±1.024Vand±0.512V. The

input common mode range is rail-to-rail and a common

mode bias voltage is provided for single supply applica-

tions. The input PGA has a digitally selectable 1x or 2x

gain.

■

Maximum DC specs include ±1LSB INL and ±1LSB DNL

over temperature. Outstanding AC performance includes

71.3dB S/(N + D) and 85dB SFDR at the Nyquist input

frequency of 2.5MHz.

Pin-Compatible 10Msps Version (LTC1420)

APPLICATIO S

■

Telecommunications

Digital Signal Processing

Multiplexed Data Acquisition Systems

High Speed Data Acquisition

Spectral Analysis

Imaging Systems

Theuniquedifferentialinputsample-and-holdcanacquire

single-ended or differential input signals up to its 100MHz

bandwidth. The 75dB common mode rejection allows

users to eliminate ground loops and common mode noise

by measuring signals differentially from the source. A

separate output logic supply allows direct connection to

3V components.

■

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

TYPICAL APPLICATIO

Typical INL Curve

OPTIONAL 3V

1.00

0.75

0.50

0.25

LOGIC SUPPLY

1µF

GAIN

S/H

PIPELINED 12-BIT ADC

–A

–0.25

–0.50

–0.75

–1.00

D11 (MSB)

OUTPUT

BUFFERS

1µF

MODE SELECT

DIGITAL CORRECTION

LOGIC

D0 (LSB)

SENSE

1024

2048

3072

4096

2.5V

REFERENCE

5MHz CLK

CODE

1405 TA02

REF

1µF

2.048V

1405 TA01

AGND

DGND

OGND

0V OR –5V

InformationfurnishedbyLinearTechnologyCorporationis believedtobeaccurateandreliable.However,

no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the

interconnection of its circuits as described herein will not infringe on existing patent rights.

12 3 4 5 6 7...16

中文翻译

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与LTC1405相关器件

型号	品牌	获取价格	描述	数据表
LTC1405_1	Linear	获取价格	12-Bit, 5Msps, Sampling ADC
LTC1405C	Linear	获取价格	12-Bit, 5Msps, Sampling ADC
LTC1405CGN	Linear	获取价格	12-Bit, 5Msps, Sampling ADC
LTC1405CGN#PBF	Linear	获取价格	LTC1405 - 12-Bit, 5Msps, Sampling ADC; Package: SSOP; Pins: 28; Temperature Range: 0&d
LTC1405CGN#TR	Linear	获取价格	LTC1405 - 12-Bit, 5Msps, Sampling ADC; Package: SSOP; Pins: 28; Temperature Range: 0&d
LTC1405CGN#TRPBF	Linear	获取价格	LTC1405 - 12-Bit, 5Msps, Sampling ADC; Package: SSOP; Pins: 28; Temperature Range: 0&d
LTC1405I	Linear	获取价格	12-Bit, 5Msps, Sampling ADC
LTC1405IGN	Linear	获取价格	12-Bit, 5Msps, Sampling ADC
LTC1405IGN#PBF	Linear	获取价格	暂无描述
LTC1405IGN#TR	Linear	获取价格	LTC1405 - 12-Bit, 5Msps, Sampling ADC; Package: SSOP; Pins: 28; Temperature Range: -40&

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