LTC1282 3V 140ksps 12-Bit Sampling A/D Converter with Reference

The LTC™1282 is a 6µs, 140ksps, sampling 12-bit A/D converter that draws only 12mW from a single 3V or dual �3V supply. This easy-to-use device comes complete with 1.14µs sample-and-hold, precision reference and internally trimmed clock. Unipolar and bipolar conversion modes provide flexibility for various applications. They are built with LTBiCMOS� switched capacitor technology. The LTC1282 has a 25ppm/°C (max) internal reference and converts 0V to 2.5V unipolar inputs from a single 3V supply. With �3V supplies its input range is �1.25V with two’s complement output format. Maximum DC specifications include �0.5LSB INL, �0.75LSB DNL and 25ppm/°C full-scale drift over temperature. Outstanding AC performance includes 69dB S/(N + D) and 77dB THD at the Nyquist input frequency of 70kHz. The internal clock is trimmed for 6µs maximum conversion time. The clock automatically synchronizes to each sample command eliminating problems with asynchronous clock noise found in competitive devices. A high speed parallel interface eases connections to FIFOs, DSPs and microprocessors

产品特点 Features Single Supply 3V or ±3V Operation 140ksps Throughput Rate 12mW (Typ) Power Dissipation On-Chip 25ppm/°C Reference Internal Synchronized Clock; No Clock Required High Impedance Analog Input 69dB S/(N + D) and 77dB THD at Nyquist 177;0.5LSB INL and ±0.75LSB DNL Max (A Grade) 2.7V Guaranteed Minimum Supply Voltage ESD Protected On All Pins 24-Pin Narrow PDIP and SW Packages 0V to 2.5V or ±1.25V Input Ranges 封装	应用 3V to 2.5V or ±1.25V Input Ranges High Speed Data Acquisition Digital Signal Processing Multiplexed Data Acquisition Systems Audio and Telecom Processing Spectrum Analysis 典型应用图参数

产品特点 Features

Single Supply 3V or ±3V Operation
140ksps Throughput Rate
12mW (Typ) Power Dissipation
On-Chip 25ppm/°C Reference
Internal Synchronized Clock; No Clock Required
High Impedance Analog Input
69dB S/(N + D) and 77dB THD at Nyquist
177;0.5LSB INL and ±0.75LSB DNL Max (A Grade)
2.7V Guaranteed Minimum Supply Voltage
ESD Protected On All Pins
24-Pin Narrow PDIP and SW Packages
0V to 2.5V or ±1.25V Input Ranges

封装

应用

3V to 2.5V or ±1.25V Input Ranges
High Speed Data Acquisition
Digital Signal Processing
Multiplexed Data Acquisition Systems
Audio and Telecom Processing
Spectrum Analysis

典型应用图

参数

LTC1282 订购信息和价格参考Package Variations and Pricing

器件型号	封装	引脚	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量) *
LTC1282ACN	PDIP	24	C	$21.90	$17.30
LTC1282ACN#PBF	PDIP	24	C	$21.90	$17.30
LTC1282ACSW	SO	24	C	$23.15	$18.05
LTC1282ACSW#PBF	SO	24	C	$23.15	$18.05
LTC1282ACSW#TR	SO	24	C		$18.15
LTC1282ACSW#TRPBF	SO	24	C		$18.15
LTC1282BCN	PDIP	24	C	$17.50	$13.80
LTC1282BCN#PBF	PDIP	24	C	$17.50	$13.80
LTC1282BCSW	SO	24	C	$18.75	$14.60
LTC1282BCSW#PBF	SO	24	C	$18.75	$14.60
LTC1282BCSW#TR	SO	24	C		$14.70
LTC1282BCSW#TRPBF	SO	24	C		$14.70

LTC1282 数据手册及相关资料下载

数据手册(英文) : LTC1282 - 3V 140ksps 12-Bit Sampling A/D Converter with Reference.PDF
应用指南 (英文) : AN62 - Data Acquisition Circuit Collection.PDF
设计要点 (英文) : DN66 - New 5V and 3V, 12-Bit ADCs Sample at 300kHz on 75mW and 140kHz on 12mW.PDF
设计要点 (英文) : DN88 - New 500ksps and 600ksps ADCs Match Needs of High Speed Applications.PDF
可靠性数据 : R107 Reliability Data .PDF