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ADS7805P 参数 Datasheet PDF下载

ADS7805P图片预览
型号: ADS7805P
PDF下载: 下载PDF文件 查看货源
内容描述: 16位10ms的采样CMOS模拟数字转换器 [16-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER]
分类和应用: 转换器模数转换器光电二极管
文件页数/大小: 12 页 / 137 K
品牌: BURR-BROWN [ BURR-BROWN CORPORATION ]
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®
ADS7805
DEMO BOARD
AVAILABLE
See Appendix A
16-Bit 10
µ
s Sampling CMOS
ANALOG-to-DIGITAL CONVERTER
FEATURES
q
100kHz min SAMPLING RATE
q
STANDARD
±
10V INPUT RANGE
q
86dB min SINAD WITH 20kHz INPUT
q
±
3.0 LSB max INL
q
DNL: 16-bits “No Missing Codes”
q
SINGLE +5V SUPPLY OPERATION
q
PIN-COMPATIBLE WITH 12-BIT ADS7804
q
USES INTERNAL OR EXTERNAL
REFERENCE
q
FULL PARALLEL DATA OUTPUT
q
100mW max POWER DISSIPATION
q
28-PIN 0.3" PLASTIC DIP AND SOIC
DESCRIPTION
The ADS7805 is a complete 16-bit sampling A/D
using state-of-the-art CMOS structures. It contains a
complete 16-bit, capacitor-based, SAR A/D with S/H,
reference, clock, interface for microprocessor use, and
three-state output drivers.
The ADS7805 is specified at a 100kHz sampling rate,
and guaranteed over the full temperature range. Laser-
trimmed scaling resistors provide an industry-
standard
±10V
input range, while the innovative de-
sign allows operation from a single +5V supply, with
power dissipation under 100mW.
The 28-pin ADS7805 is available in a plastic 0.3" DIP
and in an SOIC, both fully specified for operation over
the industrial –25°C to +85°C range.
Clock
Successive Approximation Register and Control Logic
R/C
CS
BYTE
BUSY
CDAC
20kΩ
±10V Input
10kΩ
4kΩ
Comparator
CAP
Buffer
4kΩ
REF
Internal
+2.5V Ref
Output
Latches
and
Three
State
Drivers
Three
State
Parallel
Data
Bus
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©
1992 Burr-Brown Corporation
PDS-1157E
Printed in U.S.A. August, 1996