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| 型號(hào)： | AD7655 |
| 廠(chǎng)商： | Analog Devices, Inc. |
| 元件分類(lèi)： | 串行ADC |
| 英文描述： | Low Cost 4-Channel 1 MSPS 16-Bit ADC |
| 中文描述： | 低成本4通道1 MSPS的16位ADC |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大小： | 684K |
| 代理商： | AD7655 |
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use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
2003 Analog Devices, Inc. All rights reserved.
www.analog.com
AD7655
*
Low Cost 4-Channel 1 MSPS 16-Bit ADC
FUNCTIONAL BLOCK DIAGRAM
CLOCK AND
CONTROL LOGIC
A/
B
16
D[15:0]
BUSY
CS
SER/
PAR
OGND
OVDD
DGND
DVDD
SERIAL
PORT
PARALLEL
INTERFACE
BYTESWAP
RD
AVDD AGND
REFx
REFGND
PD
RESET
CNVST
INAN
INA2
A0
INB1
INBN
INB2
SWITCHED
CAP DAC
AD7655
INA1
TRACK/HOLD
2
IMPULSE
MUX
MUX
EOC
MUX
PulSAR Selection
Type/kSPS
100–250
500–570
800–1000
Pseudo
Differential
AD7651
AD7660/AD7661 AD7664/AD7666 AD7667
AD7650/AD7652 AD7653
True Bipolar
AD7663
AD7665
AD7671
True Differential AD7675
AD7676
AD7677
18-Bit
AD7678
AD7679
AD7674
Multichannel/
Simultaneous
AD7654
AD7655
PRODUCT HIGHLIGHTS
1. Multichannel ADC
The AD7655 features 4-channel inputs with two sample-
and-hold circuits that allow simultaneous sampling.
2. Fast Throughput
The AD7655 is a very high speed (1 MSPS in normal mode
and 888 kSPS in impulse mode), charge redistribution, 16-bit
SAR ADC that avoids pipeline delay.
3. Single-Supply Operation
The AD7655 operates from a single 5 V supply and dissipates
only 120 mW typical, even lower when a reduced throughput
is used with the reduced power mode (Impulse) and a power-
down mode.
4. Serial or Parallel Interface
Versatile parallel or 2-wire serial interface arrangement
compatible with both 3 V or 5 V logic.
*
Patent pending
FEATURES
4-Channel, 16-Bit Resolution ADC
2 Track-and-Hold Amplifiers Throughput:
1 MSPS (Normal Mode)
888 kSPS (Impulse Mode)
Analog Input Voltage Range: 0 V to 5 V
No Pipeline Delay
Parallel and Serial 5 V/3 V Interface
SPI
/QSPI/MICROWIRE/DSP Compatible
Single 5 V Supply Operation
Power Dissipation
120 mW Typical,
2.6 mW @ 10 kSPS
Package: 48-Lead Quad Flat Pack (LQFP) or
48-Lead Frame Chip Scale Pack (LFCSP)
Pin-to-Pin Compatible with the AD7654
Low Cost
APPLICATIONS
4-Channel Data Acquisition
GENERAL DESCRIPTION
The AD7655 is a low cost, 4-channel, 16-bit, charge redistribution
SAR, analog-to-digital converter that operates from a single 5 V
power supply. It contains two low noise, wide bandwidth track-and-
hold amplifiers that allow simultaneous sampling, a high speed
1 MSPS 16-bit sampling ADC, an internal conversion clock,
error correction circuits, and both serial and parallel system
interface ports. Each track-and-hold has a multiplexer in front
to provide a 4-channel input ADC.
The AD7655 features a very high sampling rate mode (Normal)
and, for low power applications, a reduced power mode (Impulse)
where the power is scaled with the throughput. It is available
in 48-lead LQFP or 48-lead LFCSP packages with operation
specified from
–
40
∞
C to +85
∞
C.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7655ACP | Low Cost 4-Channel 1 MSPS 16-Bit ADC |
| AD7655ACPRL | Low Cost 4-Channel 1 MSPS 16-Bit ADC |
| AD7655AST | Low Cost 4-Channel 1 MSPS 16-Bit ADC |
| AD7655ASTRL | Low Cost 4-Channel 1 MSPS 16-Bit ADC |
| AD7660 | Circular Connector; No. of Contacts:4; Series:D38999; Body Material:Metal; Connecting Termination:Crimp; Connector Shell Size:13; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:13-4 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7655ACP | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 16-bit Parallel/Serial 48-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:LOW COST 4-CHANNEL 1 MSPS 16-BIT ADC - Bulk 制造商:Analog Devices 功能描述:IC 16BIT ADC SMD 7655 LFSCP-48 |
| AD7655ACPRL | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 16-bit Parallel/Serial 48-Pin LFCSP EP T/R |
| AD7655ACPZ | 功能描述:IC ADC 16BIT 4CH 48-LFCSP RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:PulSAR® 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤(pán)（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類(lèi)型:8 個(gè)單端，單極 產(chǎn)品目錄頁(yè)面:892 (CN2011-ZH PDF) 其它名稱(chēng):296-25851-6 |
| AD7655ACPZRL | 功能描述:IC ADC 16BIT 4CHAN 48LFCSP RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:PulSAR® 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類(lèi)型:1 個(gè)單端，單極；1 個(gè)單端，雙極 |
| AD7655AST | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 16-bit Parallel/Serial 48-Pin LQFP 制造商:Analog Devices 功能描述:IC 16BIT ADC SMD 7655 LQFP48 |
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