LTC1416CG Datasheet

IC型號(hào)：
LTC1416CG
PDF描述：
Low Power 14-Bit, 400ksps Sampling ADC
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LTC1416

Low Power 14-Bit, 400ksps

Sampling ADC

FEATURES

DESCRIPTIO

Sample Rate: 400ksps

Power Dissipation: 70mW

Guaranteed

鹵

1.5LSB DNL,

鹵

2LSB INL (Max)

80.5dB S/(N + D) and 93dB THD at 100kHz

80dB S/(N + D) and 90dB THD at Nyquist

Nap and Sleep Shutdown Modes

Operates with Internal or External Reference

True Differential Inputs Reject Common Mode Noise

15MHz Full Power Bandwidth Sampling

鹵2.5V

Bipolar Input Range

28-Pin SSOP Package

The LTC

廬

1416 is a 2.2碌s, 400ksps, 14-bit sampling A/D

converter that draws only 70mW from

鹵5V

supplies. This

easy-to-use device includes a high dynamic range sample-

and-hold and a precision reference. Two digitally select-

able power shutdown modes provide flexibility for low

power systems.

The LTC1416鈥檚 full-scale input range is

鹵2.5V.

Maximum

DC specifications include

鹵2LSB

INL,

鹵1.5LSB

DNL over

temperature. Outstanding AC performance includes 80.5dB

S/(N + D) and 93dB THD with a 100kHz input, and 80dB

S/(N + D) and 90dB THD at the Nyquist input frequency of

200kHz.

The unique differential input sample-and-hold can ac-

quire single-ended or differential input signals up to its

15MHz bandwidth. The 60dB common mode rejection

allows users to eliminate ground loops and common

mode noise by measuring signals differentially from the

source.

The ADC has a

碌P

compatible, 14-bit parallel output port.

There is no pipeline delay in the conversion results. A

separate convert start input and a data ready signal

(BUSY) ease connections to FIFOs, DSPs and micropro-

cessors.

APPLICATI

Telecommunications

Digital Signal Processing

Multiplexed Data Acquisition Systems

High Speed Data Acquisition

Spectrum Analysis

Imaging Systems

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

TYPICAL APPLICATI

10碌F

Complete, 70mW, 14-Bit ADC with 80.5dB S/(N + D)

Effective Bits and

Signal-to-(Noise + Distortion)

vs Input Frequency

SIGNAL/(NOISE + DISTORTION) (dB)

LTC1416

IN+

S/H

IN鈥?/div>

REFCOMP

22碌F

REF

1碌F

10碌F 鈥?V

BUFFER

2.5V

REFERENCE

TIMING

AND

LOGIC

14-BIT ADC

EFFECTIVE BITS

OUTPUT

BUFFERS

鈥?/div>

D13 (MSB)

D0 (LSB)

BUSY

CONVST

SHDN

SAMPLE

= 400kHz

10k

100k

INPUT FREQUENCY (Hz)

1M 2M

1416 TA02

AGND

DGND

1416 TA01

NYQUIST

FREQUENCY

數(shù)據(jù)列表
LTC1416
標(biāo)準(zhǔn)包裝
47
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
并聯(lián)
轉(zhuǎn)換器數(shù)目
1
功率耗散（最大）
100mW
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
28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝
28-SSOP
包裝
管件
輸入數(shù)目和類型
2 個(gè)單端，雙極；1 個(gè)差分，雙極

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