Datasheet > LTC1854

LTC1854

更新时间： 2024-11-19 14:57:35

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
24页	632K
描述
具有关断功能的8通道、±10V输入、12位、100ksps ADC转换器

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中文翻译

获取价格

数据手册

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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

DescripTion

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

protectedto±±0V.Afaultconditiononanychannelwillnot

affect the conversion result of the selected channel.

FeaTures

Single 5V Supply

Sample Rate: 100ksps

8-Channel Multiplexer with 30V Protection

10V Bipolar ꢀnput Range

Single Ended or Differential

3ꢁSB ꢀIꢁ for the ꢁTC1856, 1ꢂ5ꢁSB ꢀIꢁ for the

ꢁTC1855, 1ꢁSB ꢀIꢁ for the ꢁTC1854

Power Dissipation: 40mW (Typ)

SPꢀ/MꢀCROWꢀRE™ Compatible Serial ꢀ/O

Power Shutdown: Nap and Sleep

SINAD: 87dꢀ (LTC1856)

Operates with Internal or External Reference

Internal Synchronized Clock

28-Pin SSOP Package

An onboard precision reference minimizes external com-

ponents.Powerdissipationis40mWat100kspsandlower

intwopowershutdownmodes(27.5mWinNapmodeand

40µW in Sleep mode.) DC speciﬁcations include ±±LSꢀ

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

±1LSꢀ for the LTC1854.

Theinternalclockistrimmedfor5µsmaximumconversion

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

separate convert start input and data ready signal (BUSY)

ease connections to FIFOs, DSPs and microprocessors.

applicaTions

Industrial Process Control

Multiplexed Data Acquisition Systems

High Speed Data Acquisition for PCs

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

All other trademarks are the property of their respective owners.

Digital Signal Processing

Typical applicaTion

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

ꢁTC1856 Typical ꢀIꢁ Curve

2.0

COM

CH0

CONVST

1.5

1.0

0.5

LTC1854/

CH1 LTC1855/ SCK

LTC1856

µP

CONTROL

LINES

CH2

SDI

DGND

SDO

SOFTWARE-PROGRAMMABLE

SINGLE-ENDED OR

CH3

CH4

DIFFERENTIAL INPUTS

10V BIPOLAR INPUT RANGE

CH5

BUSY

3V TO 5V

–0.5

CH6

CH7

MUXOUT

ADC

AGND3

AGND2

–

–1.0

0.1µF

10µF

0.1µF

10µF

0.1µF

–1.5

–

ADC

AGND1

REFCOMP

–2.0

2.5V

–32768

–16384

16384

32767

REF

1µF

10µF

0.1µF

CODE

185456 G01

1854565af

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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