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LTC1740 - LTC1740是14-Bit, 6Msps, Sampling ADC

LTC1740是LINEAR凌力尔特公司的一款高速 ADC产品，LTC1740是LTC1740是14-Bit, 6Msps, Sampling ADC，本站介绍了LTC1740的封装应用图解、特点和优点、功能等，并给出了与LTC1740相关的LINEAR元器件型号供参考。

LTC1740 - LTC1740是14-Bit, 6Msps, Sampling ADC - 高速 ADC - 数据转换 - 凌力尔特

LTC1740 - 14-Bit, 6Msps, Sampling ADC

LTC1740 - 14-Bit, 6Msps, Sampling ADC - Linear Technology（凌力尔特）

功能描述

The LTC1740 is a 6Msps, 14-bit sampling A/D converter that draws only 245mW from either a single 5V or dual ±5V supplies. This easy-to-use device includes a high dynamic range sample-and-hold and a programmable precision reference.

The LTC1740 has a flexible input circuit that allows differential full-scale input ranges of ±2.5V and ±1.25V with the internal reference, or any full-scale input range up to ±2.5V with an external reference. The input common mode voltage is arbitrary, though a 2.5V reference is provided for single supply applications.

DC specifications include 1LSB typical INL, 0.5LSB typical DNL and no missing codes over temperature. Outstanding AC performance includes 79dB S/(N + D) and 91dB SFDR at an input frequency of 2.5MHz.

The unique differential input sample-and-hold can acquire single-ended or differential input signals up to its 80MHz bandwidth. The 75dB common mode rejection allows users to eliminate ground loops and common mode noise by measuring signals differentially from the source. A separate output logic supply allows direct connection to 3V components.

特点

6Msps Sample Rate

79dB S/(N + D) and 91dB SFDR at 2.5MHz fIN

Single 5V Supply or ±5V Supplies

Integral Nonlinearity Error: <1LSB

Differential Nonlinearity: < 0.5LSB

80MHz Full-Power Bandwidth Sampling

±2.5V and ±1.25V Bipolar Input Ranges

2.5V Signal Ground Available

Out-of-Range Indicator

True Differential Inputs with 75dB CMRR

Power Dissipation: 245mW

36-Pin SSOP Package (0.209 Inch Width)

应用

Telecommunications

Multiplexed Data Acquisition Systems

High Speed Data Acquisition

Spectral Analysis

Imaging Systems

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)
LTC1740CG	SSOP-36	C	$19.95	$17.20
LTC1740CG#PBF	SSOP-36	C	$19.95	$17.20
LTC1740CG#TR	SSOP-36	C		$17.30
LTC1740CG#TRPBF	SSOP-36	C		$17.30
LTC1740IG	SSOP-36	I	$23.50	$20.25
LTC1740IG#PBF	SSOP-36	I	$23.50	$20.25
LTC1740IG#TR	SSOP-36	I		$20.35
LTC1740IG#TRPBF	SSOP-36	I		$20.35

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