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參數(shù)資料
| 型號(hào)： | AD7724 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Dual CMOS Modulators |
| 中文描述： | 調(diào)制器雙通道CMOS |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大?。?/td> | 552K |
| 代理商： | AD7724 |
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REV. A
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
AD7724
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2000
Dual CMOS
S
-
D
Modulators
FUNCTIONAL BLOCK DIAGRAM
AVIN(+)
AVIN(–)
BVIN(+)
BVIN(–)
MZERO
GC
BIP
STBY
RESET
DVDD
DVDD1
DGND
AVDD
AGND
ADATA
SCLK
BDATA
XTAL OFF
XTAL1
XTAL2/MCLK
DVAL
REF1 REF2A
REF2B
CLOCK
CIRCUITRY
AD7724
2.5V
REFERENCE
S
-
D
MODULATOR A
S
-
D
MODULATOR B
CONTROL
LOGIC
FEATURES
13 MHz Master Clock Frequency
0 V to +2.5 V or
6
1.25 V Input Range
Single Bit Output Stream
90 dB Dynamic Range
Power Supplies
AVDD, DVDD: 5 V
6
5%
DVDD1: 3 V
6
5%
Logic Outputs 3 V/5 V Compatible
On-Chip 2.5 V Voltage Reference
48-Lead LQFP
GENERAL DESCRIPTION
This device consists of two seventh order sigma-delta modula-
tors. Each modulator converts its analog input signal into a high
speed 1-bit data stream. The part operates from a 5 V power
supply and accepts a differential input range of 0 V to +2.5 V or
±
1.25 V centered about a common-mode bias. The analog inputs
are continuously sampled by the analog modulators, eliminating
the need for external sample-and-hold circuitry. The input infor-
mation is contained in the output stream as a density of ones.
The original information can be digitally reconstructed with an
appropriate digital filter.
The part provides an accurate on-chip 2.5 V reference for each
modulator. A reference input/output function is provided to
allow either the internal reference or an external system refer-
ence to be used as the reference source for the modulator.
The device is offered in a 48-lead LQFP package and designed
to operate from –40
°
C to +85
°
C.
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| AD7725BS | 16-Bit 900 kSPS ADC with a Programmable Postprocessor |
| AD7729 | Dual Sigma-Delta ADC with Auxiliary DAC |
| AD7729AR | Dual Sigma-Delta ADC with Auxiliary DAC |
| AD7729ARU | Dual Sigma-Delta ADC with Auxiliary DAC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7724ACPZ | 功能描述:IC MOD SIGMA-DELTA DUAL 制造商:analog devices inc. 系列:* 零件狀態(tài):上次購(gòu)買(mǎi)時(shí)間 標(biāo)準(zhǔn)包裝:1 |
| AD7724ACPZ-REEL | 功能描述:IC MOD SIGMA-DELTA DUAL 制造商:analog devices inc. 系列:* 零件狀態(tài):上次購(gòu)買(mǎi)時(shí)間 標(biāo)準(zhǔn)包裝:1 |
| AD7724AST | 制造商:Analog Devices 功能描述:ADC Dual Delta-Sigma 30Msps 15-bit Serial 48-Pin LQFP |
| AD7724AST-REEL | 制造商:Analog Devices 功能描述:ADC Dual Delta-Sigma 30Msps 15-bit Serial 48-Pin LQFP T/R |
| AD7724ASTZ | 功能描述:IC MOD SIGMA-DELTA DUAL 48LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤(pán) |
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