Datasheet > LTC1854

LTC1854

更新时间： 2024-11-18 05:43:39

品牌	Logo	应用领域
凌特 - Linear		转换器
页数	文件大小	规格书
24页	299K
描述
8-Channel, ±10V Input 12-/14-/16-Bit, 100ksps ADC Converters with Shutdown

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中文翻译

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LTC1854 数据手册

LTC1854/LTC1855/LTC1856

8-Channel, ±10V Input

12-/14-/16-Bit, 100ksps ADC

Converters with Shutdown

FEATURES

DESCRIPTIO

The LTC^®1854/LTC1855/LTC1856 are 8-channel, low

power, 12-/14-/16-bit, 100ksps, analog-to-digital con-

verters (ADCs). These ADCs operate from a single 5V

supplyandthe8-channelmultiplexercanbeprogrammed

for single-ended inputs, pairs of differential inputs, or

combinations of both. In addition, all channels are fault

protected to ±30V. A fault condition on any channel will

not affect the conversion result of the selected channel.

■

Single 5V Supply

■

Sample Rate: 100ksps

■

8-Channel Multiplexer with ±30V Protection

■

±10V Bipolar Input Range

Single Ended or Differential

■

±3LSB INL for the LTC1856, ±1.5LSB INL for the

LTC1855, ±1LSB INL for the LTC1854

■

Power Dissipation: 40mW (Typ)

SPI/MICROWIRE^TMCompatible Serial I/O

■

An onboard precision reference minimizes external com-

ponents. Powerdissipationis40mWat100kspsandlower

in two power shutdown modes (27.5mW in Nap mode and

40mW in Sleep mode.) DC specifications include ±3LSB

INL for the LTC1856, ±1.5LSB INL for the LTC1855 and

±1LSB for the LTC1854.

■

Power Shutdown: Nap and Sleep

SINAD: 87dB (LTC1856)

Operates with Internal or External Reference

Internal Synchronized Clock

28-Pin SSOP Package

■

APPLICATIO S

The internal clock is trimmed for 5ms maximum conver-

sion time and the sampling rate is guaranteed at 100ksps.

Aseparateconvertstartinputanddatareadysignal(BUSY)

ease connections to FIFOs, DSPs and microprocessors.

■

Industrial Process Control

■

Multiplexed Data Acquisition Systems

■

High Speed Data Acquisition for PCs

Digital Signal Processing

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

All other trademarks are the property of their respective owners.

■

TYPICAL APPLICATIO

100kHz, 12-Bit/14-/16-Bit Sampling ADC

LTC1856 Typical INL Curve

2.0

COM

CH0

CH1

CH2

CH3

CH4

CH5

CH6

CH7

CONVST

1.5

1.0

0.5

SCK

SDI

LTC1854/

LTC1855/

LTC1856

μP

CONTROL

LINES

SOFTWARE-PROGRAMMABLE

SINGLE-ENDED OR

DGND

SDO

BUSY

DIFFERENTIAL INPUTS

±10V BIPOLAR INPUT RANGE

–0.5

–1.0

–1.5

–2.0

3V TO 5V

MUXOUT

–

AGND3

AGND2

REFCOMP

0.1μF

10μF

0.1μF

10μF

0.1μF

ADC

–

ADC

–32768

–16384

16384

32767

AGND1

2.5V

REF

CODE

1μF

10μF

0.1μF

185456 G01

185456fa

12 3 4 5 6 7...24

中文翻译

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与LTC1854相关器件

型号	品牌	获取价格	描述	数据表
LTC1854_15	Linear	获取价格	8-Channel, 10V Input 12-/14-/16-Bit, 100ksps ADC Converters with Shutdown
LTC1854CG	Linear	获取价格	8-Channel, ±10V Input 12-/14-/16-Bit, 100ksps
LTC1854CG#TR	Linear	获取价格	LTC1854 - 8-Channel, ±10V Input 12-Bit, 100ks
LTC1854CG-PBF	Linear	获取价格	8-Channel, ±10V Input 12-/14-/16-Bit, 100ksps
LTC1854CG-TR	Linear	获取价格	8-Channel, ±10V Input 12-/14-/16-Bit, 100ksps
LTC1854CG-TRPBF	Linear	获取价格	8-Channel, ±10V Input 12-/14-/16-Bit, 100ksps
LTC1854IG	Linear	获取价格	8-Channel, ±10V Input 12-/14-/16-Bit, 100ksps
LTC1854IG#PBF	Linear	获取价格	LTC1854 - 8-Channel, ±10V Input 12-Bit, 100ks
LTC1854IG-PBF	Linear	获取价格	8-Channel, ±10V Input 12-/14-/16-Bit, 100ksps
LTC1854IG-TR	Linear	获取价格	8-Channel, ±10V Input 12-/14-/16-Bit, 100ksps

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