LTC1400是Complete SO-8, 12-Bit, 400ksps ADC with Shutdown

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LTC1400 - LTC1400是Complete SO-8, 12-Bit, 400ksps ADC with Shutdown

LTC1400是Linear公司的一款通用型 SAR ADC产品，LTC1400是Complete SO-8, 12-Bit, 400ksps ADC with Shutdown，本站介绍了LTC1400的封装应用图解、特点和优点、功能等，并给出了与LTC1400相关的凌力尔特元器件型号供参考。

LTC1400 - Complete SO-8, 12-Bit, 400ksps ADC with Shutdown

LTC1400 - Complete SO-8, 12-Bit, 400ksps ADC with Shutdown - Linear Technology（凌力尔特）

功能描述

The LTC1400 is a complete 400ksps, 12-bit A/D converter which draws only 75mW from a 5V or ±5V supplies. This easy-to-use device comes complete with a 200ns sample-and-hold and a precision reference. Unipolar and bipolar conversion modes add to the flexibility of the ADC. The LTC1400 is capable of going into two power saving modes: NAP and SLEEP. In NAP mode, it consumes only 6mW of power and can wake up and convert immediately. In the SLEEP mode, it consumes 30μW of power typically. Upon power-up from SLEEP mode, a reference ready (REFRDY) signal is available in the serial data word to indicate that the reference has settled and the chip is ready to convert. The LTC1400 converts 0V to 4.096V unipolar inputs from a single 5V supply and ±2.048V bipolar inputs from ±5V supplies. Maximum DC specs include ±1LSB INL, ±1LSB DNL and 45ppm/0C drift over temperature. Guaranteed AC performance includes 70dB S/(N D) and 76dB THD at an input frequency of 100kHz, over temperature. The 3-wire serial port allows compact and efficient data transfer to a wide range of microprocessors, microcontrollers and DSPs.

特点

Complete 12-Bit ADC in SO-8

Single Supply 5V or ±5V Operation

Sample Rate: 400ksps

Power Dissipation: 75mW (Typ)

72dB S/(N D) and -80dB THD at Nyquist

No Missing Codes over Temperature

NAP Mode with Instant Wake-Up: 6mW

SLEEP Mode: 30μW

High Impendance Analog Input

Input range (1mV/LSB): 0V to 4.096 or ±2.04V

Internal Reference Can be Overdriven Externally

3-Wire Interface to DSPs and Processors (SPI and MICROWIRE? Compatible)

应用

High Speed Data Acquisition

Digital Signal Processing

Multiplexed Data Acquisition Systems

Audio and Telecom Processing

Digital Radio

Spectrum Analysis

Low Power and Battery-Operated Systems

Handheld or Portable Instruments

以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）

器件型号	封装	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量)
LTC1400CS8	SO-8	C	$5.90	$4.90
LTC1400CS8#PBF	SO-8	C	$5.90	$4.90
LTC1400CS8#TR	SO-8	C		$4.96
LTC1400CS8#TRPBF	SO-8	C		$4.96
LTC1400IS8	SO-8	I	$6.55	$5.40
LTC1400IS8#PBF	SO-8	I	$6.55	$5.40
LTC1400IS8#TR	SO-8	I		$5.46
LTC1400IS8#TRPBF	SO-8	I		$5.46