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參數(shù)資料
| 型號： | AD7893 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 14-Bit 50 kSPS ADC Ser. Out, 1.8V Operation 8-MSOP |
| 中文描述： | LC2MOS 12位，串行ADC的6我們在8引腳封裝 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 340K |
| 代理商： | AD7893 |
FUNCTIONAL BLOCK DIAGRAM
AGND
V
DD
DGND
SCLK
CONVST
AD7893
V
IN
SDATA
REF IN
TRACK/
HOLD
*AD7893-5, AD7893-10, AD7893-3
SIGNAL
SCALING*
12-BIT
ADC
OUTPUT
REGISTER
REV. E
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
LC
2
MOS 12-Bit, Serial 6
m
s
ADC in 8-Pin Package
AD7893
FEATURES
Fast 12-Bit ADC with 6
m
s Conversion Time
8-Pin Mini-DlP and SOIC
Single Supply Operation
High Speed, Easy-to-Use, Serial Interface
On-Chip Track/Hold Amplifier
Selection of Input Ranges
6
10 V for AD7893-10
6
2.5 V for AD7893-3
0 V to +2.5 V for AD7893-2
0 V to +5 V for AD7893-5
Low Power: 25 mW typ
GENERAL DESCRIPTION
The AD7893 is a fast, 12-bit ADC that operates from a single
+5 V supply and is housed in a small 8-pin mini-DIP and 8-pin
SOIC. The part contains a 6
μ
s successive approximation A/D
converter, an on-chip track/hold amplifier, an on-chip clock and
a high speed serial interface.
Output data from the AD7893 is provided via a high speed,
serial interface port. This two-wire serial interface has a serial
clock input and a serial data output with the external serial clock
accessing the serial data from the part.
In addition to traditional dc accuracy specifications such as lin-
earity, full-scale and offset errors, the AD7893 is also specified
for dynamic performance parameters, including harmonic dis-
tortion and signal-to-noise ratio.
The part accepts an analog input range of
±
10 V (AD7893-10),
±
2.5 V (AD7893-3), 0 V to +5 V (AD7893-5) or 0 V to +2.5 V
(AD7893-2) and operates from a single +5 V supply, consuming
only 25 mW typical.
The AD7893 is fabricated in Analog Devices’ Linear Compat-
ible CMOS (LC
2
MOS) process, a mixed technology process
that combines precision bipolar circuits with low power CMOS
logic. The part is available in a small, 8-pin, 0.3" wide, plastic or
hermetic dual-in-line package (mini-DIP) and in an 8-pin, small
outline IC (SOIC).
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
Analog Devices, Inc., 1997
PRODUCT HIGHLIGHTS
1. Fast, 12-Bit ADC in 8-Pin Package
The AD7893 contains a 6
μ
s ADC, a track/hold amplifier,
control logic and a high speed serial interface, all in an 8-pin
package. This offers considerable space saving over alterna-
tive solutions.
2. Low Power, Single Supply Operation
The AD7893 operates from a single +5 V supply and con-
sumes only 25 mW. This low power, single supply operation
makes it ideal for battery powered or portable applications.
3. High Speed Serial Interface
The part provides high speed serial data and serial clock lines,
allowing for an easy, two-wire serial interface arrangement.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7893AR | Ultralow Power Single/Dual Comparator with Reference; Package: PDIP; No of Pins: 8; Temperature Range: -40°C to +85°C |
| AD7893BN | Ultralow Power Quad Comparators with Reference; Package: PDIP; No of Pins: 16; Temperature Range: 0°C to +70°C |
| AD7893BR | Ultralow Power Quad Comparators with Reference; Package: PDIP; No of Pins: 16; Temperature Range: -40°C to +85°C |
| AD7893SQ | Ultralow Power Quad Comparators with Reference; Package: SO; No of Pins: 16; Temperature Range: -40°C to +85°C |
| AD7893AR-2 | RECTIFIER SCHOTTKY DUAL COMMON-CATHODE 30A 30V 260A-Ifsm 0.57Vf 1A-IR TO-220AB 50/TUBE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7893ACHIPS-10 | 功能描述:12 Bit Analog to Digital Converter 1 Input 1 SAR Die 制造商:analog devices inc. 系列:- 包裝:托盤 - 晶粒 零件狀態(tài):上次購買時間 位數(shù):12 采樣率（每秒）:117k 輸入數(shù):1 輸入類型:單端 數(shù)據(jù)接口:SPI 配置:S/H-ADC 無線電 - S/H:ADC:1:1 A/D 轉(zhuǎn)換器數(shù):1 架構(gòu):SAR 參考類型:外部 電壓 - 電源，模擬:5V 電壓 - 電源，數(shù)字:5V 特性:- 工作溫度:-40°C ~ 85°C 封裝/外殼:模具 供應(yīng)商器件封裝:模具 標(biāo)準包裝:1 |
| AD7893ACHIPS-2 | 功能描述:12 Bit Analog to Digital Converter 1 Input 1 SAR Die 制造商:analog devices inc. 系列:- 包裝:管件 零件狀態(tài):上次購買時間 位數(shù):12 采樣率（每秒）:117k 輸入數(shù):1 輸入類型:單端 數(shù)據(jù)接口:SPI 配置:S/H-ADC 無線電 - S/H:ADC:1:1 A/D 轉(zhuǎn)換器數(shù):1 架構(gòu):SAR 參考類型:外部 電壓 - 電源，模擬:5V 電壓 - 電源，數(shù)字:5V 特性:- 工作溫度:-40°C ~ 85°C 封裝/外殼:模具 供應(yīng)商器件封裝:模具 標(biāo)準包裝:1 |
| AD7893ACHIPS-5 | 功能描述:12 Bit Analog to Digital Converter 1 Input 1 SAR Die 制造商:analog devices inc. 系列:- 包裝:托盤 - 晶粒 零件狀態(tài):上次購買時間 位數(shù):12 采樣率（每秒）:117k 輸入數(shù):1 輸入類型:單端 數(shù)據(jù)接口:SPI 配置:S/H-ADC 無線電 - S/H:ADC:1:1 A/D 轉(zhuǎn)換器數(shù):1 架構(gòu):SAR 參考類型:外部 電壓 - 電源，模擬:5V 電壓 - 電源，數(shù)字:5V 特性:- 工作溫度:-40°C ~ 85°C 封裝/外殼:模具 供應(yīng)商器件封裝:模具 標(biāo)準包裝:1 |
| AD7893AN-10 | 功能描述:IC ADC 12BIT SRL T/H LP 8-DIP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個單端，雙極 |
| AD7893AN-10Z | 制造商:Analog Devices 功能描述:ADC 12BIT LC2MOS 1LSB 8DIP 制造商:Analog Devices 功能描述:ADC, 12BIT, LC2MOS, 1LSB, 8DIP; Resolution (Bits):12bit; Sampling Rate:117kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:9mA; Digital IC Case Style:DIP; No. of Pins:8; Input ;RoHS Compliant: Yes |
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