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| 型號： | EVAL-AD7734EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/32頁 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR AD7734 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 24 |
| 采樣率（每秒）： | 15.4k |
| 數(shù)據(jù)接口： | 串行 |
| 輸入范圍： | ±10 V |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 85mW @ 5V |
| 工作溫度： | -40°C ~ 105°C |
| 已用 IC / 零件： | AD7734 |
| 已供物品： | 板，纜線，CD |
| 產(chǎn)品目錄頁面： | 779 (CN2011-ZH PDF) |
| 相關(guān)產(chǎn)品： | AD7734BRUZ-REEL7TR-ND - IC ADC 24BIT 4CH SIG-DEL 28TSSOP AD7734BRUZ-REEL-ND - IC ADC 24BIT 4CH SIG-DEL 28TSSOP AD7734BRUZ-ND - IC ADC 24BIT 4-CH 28-TSSOP AD7734BRU-ND - IC ADC 24BIT 4-CH 28-TSSOP |
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4-Channel, ±10 V Input Range, High
Throughput, 24-Bit ∑- ADC
Data Sheet
FEATURES
High resolution ADC
24 bits no missing codes
±0.0025% nonlinearity
Optimized for fast channel switching
18-bit p-p resolution (21 bits effective) at 500 Hz
16-bit p-p resolution (19 bits effective) at 2 kHz
14-bit p-p resolution (18 bits effective) at 15 kHz
On-chip per channel system calibration
4 single-ended analog inputs
Input ranges +5 V, ±5 V, +10 V, ±10 V
Overvoltage tolerant
Up to ±16.5 V not affecting adjacent channel
Up to ±50 V absolute maximum
3-wire serial interface
SPI, QSPI, MICROWIRE, and DSP compatible
Schmitt trigger on logic inputs
Single-supply operation
5 V analog supply
3 V or 5 V digital supply
Package: 28-lead TSSOP
APPLICATIONS
PLCs/DCS
Multiplexing applications
Process control
Industrial instrumentation
FUNCTIONAL BLOCK DIAGRAM
.
P0
SYNC/P1
AIN0
AIN2
AIN1
AIN3
BIASHI
BIASLO
SCLK
DIN
DOUT
CS
RESET
RDY
DGND
MCLKIN
MCLKOUT
AGND
AVDD
DVDD
BUFFER
REFERENCE
DETECT
REFIN(–)
REFIN(+)
AD7734
24-BIT
Σ ADC
SERIAL
INTERFACE
CONTROL
LOGIC
CLOCK
GENERATOR
CALIBRATION
CIRCUITRY
I/O PORT
MUX
Figure 1.
GENERAL DESCRIPTION
The AD7734 is a high precision, high throughput analog front
end. True 16-bit p-p resolution is achievable with a total
conversion time of 500 s (2 kHz channel switching), making it
ideally suitable for high resolution multiplexing applications.
The part can be configured via a simple digital interface, which
allows users to balance the noise performance against data
throughput up to a 15.4 kHz.
The analog front end features four single-ended input channels
with unipolar or true bipolar input ranges to ±10 V while
operating from a single +5 V analog supply. The part has an
overrange and underrange detection capability and accepts an
analog input overvoltage to ±16.5 V without degrading the
performance of the adjacent channels.
The differential reference input features “No-Reference” detect
capability. The ADC also supports per channel system calibra-
tion options. The digital serial interface can be configured for
3-wire operation and is compatible with microcontrollers and
digital signal processors. All interface inputs are Schmitt
triggered.
The part is specified for operation over the extended industrial
temperature range of –40°C to +105°C.
Other parts in the AD7734 family are the AD7732 and
the AD7738.
The AD7732 is similar to AD7734, but its analog front end
features two fully differential input channels.
The AD7738 analog front end is configurable for four fully
differential or eight single-ended input channels, features
0.625 V to 2.5 V bipolar/unipolar input ranges, and accepts a
common-mode input voltage from 200 mV to AVDD–300 mV.
The AD7738 multiplexer output is pinned out externally,
allowing the user to implement programmable gain or signal
conditioning before being applied to the ADC.
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2003–2012 Analog Devices, Inc. All rights reserved.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7738EB | 制造商:Analog Devices 功能描述:Evaluation Board For AD7738 ADC 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk |
| EVAL-AD7738EBZ | 功能描述:BOARD EVAL FOR AD7738 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7739EB | 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk |
| EVAL-AD7739EBZ | 功能描述:BOARD EVAL FOR AD7739 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7741/42EB | 制造商:Analog Devices 功能描述:Evaluation Board For Single And Multi-Channel Synchronous Voltage-To-Frequency Converters 制造商:Analog Devices 功能描述:EVALUATION BOARD IC - Bulk |
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