Datasheet > LTC1273

LTC1273

更新时间： 2023-12-20 18:45:05

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	321K
描述
具基准的 12 位、300ksps 采样 A/D 转换器

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中文翻译

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数据手册

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LTC1273 数据手册

LTC1273

LTC1275/LTC1276

12-Bit, 300ksps Sampling

A/D Converters with Reference

FEATURES

DESCRIPTIO

The LTC^®1273/LTC1275/LTC1276 are 300ksps, sam-

pling 12-bit A/D converters that draw only 75mW from

single 5V or ±5V supplies. These easy-to-use devices

come complete with 600ns sample-and-holds, precision

references and internally trimmed clocks. Unipolar and

bipolar conversion modes provide flexibility for various

applications. They are built with LTBiCMOS^TMswitched

capacitor technology.

■

Single Supply 5V or ±5V Operation

■

300ksps Sample Rate

■

75mW (Typ) Power Dissipation

■

On-Chip 25ppm/°C Reference

■

Internal Synchronized Clock; No Clock Required

■

High Impedance Analog Input

■

70dB S/(N + D) and 77dB THD at Nyquist

■

±1/2LSB INL and ±3/4LSB DNL Max (A Grade)

■

ESD Protected On All Pins

These devices have 25ppm/°C (max) internal references.

The LTC1273 converts 0V to 5V unipolar inputs from a

single 5V supply. The LTC1275/LTC1276 convert ±2.5V

and ±5V respectively from ±5V supplies. Maximum DC

specifications include ±1/2LSB INL, ±3/4LSB DNL and

25ppm/°C full scale drift over temperature. Outstanding

AC performance includes 70dB S/(N + D) and 77dB THD

at the Nyquist input frequency of 150kHz.

■

24-Pin Narrow PDIP and SW Packages

■

Variety of Input Ranges:

0V to 5V (LTC1273)

±2.5V (LTC1275)

^{±5V (LTC1276}U⁾

APPLICATIO S

■

High Speed Data Acquisition

The internal clock is trimmed for 2.7µs maximum conver-

sion time. The clock automatically synchronizes to each

sample command eliminating problems with asynchro-

nous clock noise found in competitive devices. A high

speed parallel interface eases connections to FIFOs, DSPs

and microprocessors.

■

Digital Signal Processing

■

Multiplexed Data Acquisition Systems

■

Audio and Telecom Processing

■

Spectrum Analysis

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

LTBiCMOS is a trademark of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

TYPICAL APPLICATIO

Effective Bits and Signal to (Noise + Distortion)

vs Input Frequency

Single 5V Supply, 300ksps, 12-Bit Sampling A/D Converter

LTC1273

ANALOG INPUT

(0V TO 5V)

2.42V

REF

OUTPUT

BUSY

0.1µF

REF

10µF

NYQUIST

FREQUENCY

0.1µF

AGND

D11

D10

10µF

µP CONTROL

LINES

HBEN

D0/8

D1/9

D2/10

D3/11

8- OR 12-BIT

PARALLEL BUS

= 300kHz

SAMPLE

DGND

10k

100k

1M 2M

INPUT FREQUENCY (Hz)

LTC1273/75/76 • TA02

LTC1273/75/76 • TA01

127356fa

12 3 4 5 6 7...24

中文翻译

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与LTC1273相关器件

型号	品牌	获取价格	描述	数据表
LTC1273_1	Linear	获取价格	12-Bit, 300ksps Sampling A/D Converters with Reference
LTC1273_15	Linear	获取价格	12-Bit, 300ksps Sampling A/D Converters with Reference
LTC1273AC	Linear	获取价格	12-Bit, 300ksps Sampling A/D Converters with Reference
LTC1273ACJ	Linear	获取价格	IC IC,A/D CONVERTER,SINGLE,12-BIT,CMOS,DIP,24PIN, Analog to Digital Converter
LTC1273ACN	Linear	获取价格	12-Bit, 300ksps Sampling A/D Converters with Reference
LTC1273ACN#TR	Linear	获取价格	IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDIP24, 0.300 INCH, PLASTIC,
LTC1273ACN#TRPBF	Linear	获取价格	IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDIP24, 0.300 INCH, LEAD FRE
LTC1273ACS	Linear	获取价格	12-Bit, 300ksps Sampling A/D Converters with Reference
LTC1273ACSW	Linear	获取价格	12-Bit, 300ksps Sampling A/D Converters with Reference
LTC1273ACSW#TR	Linear	获取价格	LTC1273 - 12-Bit, 300ksps Sampling A/D Converters with Reference; Package: SO; Pins: 24; T

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