參數(shù)資料
型號(hào)： ADS7818PBG4
廠商： Texas Instruments
文件頁(yè)數(shù)： 1/21頁(yè)
文件大?。?/td> 0K
描述： IC 12BIT 500KHZ ADC CONV 8-DIP
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
標(biāo)準(zhǔn)包裝： 50
位數(shù)： 12
采樣率（每秒）： 500k
數(shù)據(jù)接口： 串行
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 20mW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 通孔
封裝/外殼： 8-DIP（0.300"，7.62mm）
供應(yīng)商設(shè)備封裝： 8-PDIP
包裝： 管件
輸入數(shù)目和類(lèi)型： 1 個(gè)差分，單極
配用： 296-19913-ND - EVAL MOD FOR ADS7818
1
ADS7818
DESCRIPTION
The ADS7818 is a 12-bit sampling analog-to-digital
converter (A/D) complete with sample/hold, internal
2.5V reference, and synchronous serial interface. Typi-
cal power dissipation is 11mW at a 500kHz through-
put rate. The device can be placed into a power down
mode which reduces dissipation to just 2.5mW. The
input range is zero to two times the reference voltage,
and the internal reference can be overdriven by an
external voltage.
Low power, small size, and high-speed make the
ADS7818 ideal for battery operated systems such as
wireless communication devices, portable multi-chan-
nel data loggers, and spectrum analyzers. The serial
interface also provides low-cost isolation for remote
data acquisition. The ADS7818 is available in a plas-
tic mini-DIP-8 or an MSOP-8 package and is guaran-
teed over the –40
°C to +85°C temperature range.
12-Bit High Speed Low Power Sampling
ANALOG-TO-DIGITAL CONVERTER
FEATURES
q 500kHz THROUGHPUT RATE
q 2.5V INTERNAL REFERENCE
q LOW POWER: 11mW
q SINGLE SUPPLY +5V OPERATION
q DIFFERENTIAL INPUT
q SERIAL INTERFACE
q GUARANTEED NO MISSING CODES
q MINI-DIP-8 AND MSOP-8
q UNIPOLAR INPUT RANGE
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/ Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
APPLICATIONS
q BATTERY OPERATED SYSTEMS
q DIGITAL SIGNAL PROCESSING
q HIGH SPEED DATA ACQUISITION
q WIRELESS COMMUNICATION SYSTEMS
1998 Burr-Brown Corporation
PDS-1408B
Printed in U.S.A. May, 2000
SAR
CLK
Serial
Interface
Comparator
S/H Amp
DATA
+In
–In
CDAC
Internal
+2.5V Ref
Buffer
V
REF
CONV
10k
±30%
For most current data sheet and other product
information, visit www.burr-brown.com
SBAS078
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