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| 型號(hào)： | AD7654ASTZRL |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 1/28頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 16BIT DUAL 2CH 48LQFP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 系列： | PulSAR® |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 500k |
| 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）： | 135mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 2 個(gè)差分，單極 |
| 配用： | EVAL-AD7654CBZ-ND - BOARD EVALUATION FOR AD7654 |
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16-Bit, 500 kSPS PulSAR Dual,
2-Channel, Simultaneous Sampling ADC
AD7654
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
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
www.analog.com
Fax: 781.461.3113
2005 Analog Devices, Inc. All rights reserved.
FEATURES
Dual, 16-bit, 2-channel simultaneous sampling ADC
16-bit resolution with no missing codes
Throughput:
500 kSPS (normal mode)
444 kSPS (impulse mode)
INL: ±3.5 LSB max (±0.0053% of full scale)
SNR: 89 dB typ @ 100 kHz
THD: 100 dB @ +100 kHz
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
Packages:
48-lead low profile quad flat package (LQFP)
48-lead lead frame chip scale package (LFCSP)
Low cost
APPLICATIONS
AC motor control
3-phase power control
4-channel data acquisition
Uninterrupted power supplies
Communications
FUNCTIONAL BLOCK DIAGRAM
CONTROL LOGIC AND
CALIBRATION CIRCUITRY
A/B
16
D[15:0]
BUSY
CS
SER/PAR
OGND
OVDD
DGND
DVDD
SERIAL
PORT
BYTESWAP
RD
AVDD AGND
REFx
REFGND
PD
RESET
CNVST
INAN
SWITCHED
CAP DAC
AD7654
INA1
IMPULSE
MUX
EOC
INA2
A0
INB1
INBN
INB2
TRACK/HOLD
×2
PARALLEL
INTERFACE
03
057
-0
01
CLOCK
MUX
Figure 1.
Table 1. PulSAR Selection
Type/kSPS
100 to 250
500 to 570
800 to 1000
>1000
Pseudo
Differential
True Bipolar
True Differential
18-Bit
Multichannel/
Simultaneous
GENERAL DESCRIPTION
The AD7654 is a low cost, simultaneous sampling, dual-
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
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 A0 multiplexer control input
allows the choice of simultaneously sampling input pairs
INA1/INB1 (A0 = low) or INA2/INB2 (A0 = high). The part
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. Operation is specified
from 40°C to +85°C.
PRODUCT HIGHLIGHTS
1.
Simultaneous Sampling.
The AD7654 features two sample-and-hold circuits that
allow simultaneous sampling. It provides inputs for four
channels.
2.
Fast Throughput.
The AD7654 is a 500 kSPS, charge redistribution, 16-bit
SAR ADC with internal error correction circuitry.
3.
Superior INL and No Missing Codes.
The AD7654 has a maximum integral nonlinearity of
3.5 LSB with no missing 16-bit codes.
4.
Single-Supply Operation.
The AD7654 operates from a single 5 V supply. In impulse
mode, its power dissipation decreases with throughput.
5.
Serial or Parallel Interface.
Versatile parallel or 2-wire serial interface arrangement is
compatible with both 3 V and 5 V logic.
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| AD7655 | 制造商:AD 制造商全稱:Analog Devices 功能描述:14-Bit, 1 MSPS, Differential, Programmable Input PulSAR ADC |
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| AD7655ACPZ | 功能描述:IC ADC 16BIT 4CH 48-LFCSP RoHS:是 類別: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 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁(yè)面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
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