LTC1417CGN Datasheet

IC型號(hào)：
LTC1417CGN
PDF描述：
Low Power 14-Bit, 400ksps Sampling ADC Converter with Serial...
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32頁
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LTC1417

Low Power 14-Bit, 400ksps

Sampling ADC Converter

with Serial I/O

FEATURES

DESCRIPTIO

16-Pin Narrow SSOP Package (SO-8 Footprint)

Sample Rate: 400ksps

鹵1.25LSB

INL and

鹵1LSB

DNL Max

Power Dissipation: 20mW (Typ)

Single Supply 5V or

鹵5V

Operation

Serial Data Output

No Missing Codes Over Temperature

Power Shutdown: Nap and Sleep

External or Internal Reference

Differential High Impedance Analog Input

Input Range: 0V to 4.096V or

鹵2.048V

81dB S/(N + D) and 鈥?95dB THD at Nyquist

The LTC

廬

1417 is a low power, 400ksps, 14-bit A/D con-

verter. This versatile device can operate from a single 5V or

鹵5V

supplies. An onboard high performance sample-and-

hold, a precision reference and internal trimming minimize

external circuitry requirements. The low 20mW power

dissipation is made even more attractive with two user-

selectable power shutdown modes.

The LTC1417 converts 0V to 4.096V unipolar inputs when

using a 5V supply and

鹵2.048V

bipolar inputs when using

鹵5V

supplies. DC specs include

鹵1.25LSB

INL,

鹵1LSB

DNL and no missing codes over temperature. Outstanding

AC performance includes 81dB S/(N + D) and 95dB THD

at a Nyquist input frequency of 200kHz.

The internal clock is trimmed for 2碌s maximum conver-

sion time. A separate convert start input and a data ready

signal (BUSY) ease connections to FIFOs, DSPs and

microprocessors.

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

APPLICATIO S

High Speed Data Acquisition

Digital Signal Processing

Isolated Data Acquisition Systems

Audio and Telecom Processing

Spectrum Instrumentation

EQUIVALE T BLOCK DIAGRA

10碌F

LTC1417

A 400kHz, 14-Bit Sampling A/D Converter in a Narrow 16-Lead SSOP Package

Effective Bits and Signal-to-(Noise + Distortion)

vs Input Frequency

EFFECTIVE BITS

S/H

14-BIT ADC

SERIAL

PORT

4.096V

BUFFER

BUSY

CONVST

SHDN

1417 TA01

IN鈥?/div>

REFCOMP

10碌F

EXTCLKIN

SCLK

CLKOUT

OUT

REF

1碌F

2.5V

REFERENCE

TIMING AND

LOGIC

AGND

(0V OR 鈥?5V)

DGND

10k

100k

INPUT FREQUENCY (Hz)

1417 TA02

S/(N + D) (dB)

數(shù)據(jù)列表
LTC1417
標(biāo)準(zhǔn)包裝
100
類別
集成電路 (IC)
家庭
數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器
系列
-
位數(shù)
14
采樣率（每秒）
400k
數(shù)據(jù)接口
MICROWIRE?，串行，SPI?
轉(zhuǎn)換器數(shù)目
1
功率耗散（最大）
27.5mW Unipolar; 44mW Bipolar
電壓電源
雙 ±
工作溫度
0°C ~ 70°C
安裝類型
表面貼裝
封裝/外殼
16-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝
16-SSOP
包裝
管件
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