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| 型號(hào)： | EVAL-AD7679CB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | TV 5C 5#20 SKT PLUG |
| 中文描述： | 18位，2.5 LSB INL和570 kSPS的SAR型ADC |
| 文件頁(yè)數(shù)： | 1/28頁(yè) |
| 文件大小： | 1186K |
| 代理商： | EVAL-AD7679CB |
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18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
AD7679
FEATURES
18-bit resolution with no missing codes
No pipeline delay (SAR architecture)
Differential input range: ±V
REF
(V
REF
up to 5 V)
Throughput: 570 kSPS
INL: ±2.5 LSB max (±9.5 ppm of full scale)
Dynamic range : 103 dB typ (V
REF
= 5 V)
S/(N+D): 100 dB typ @ 2 kHz (V
REF
= 5 V)
Parallel (18-,16-, or 8-bit bus) and serial 5 V/3 V interface
SPI
/QSPI
/MICROWIRE
/DSP compatible
On-board reference buffer
Single 5 V supply operation
Power dissipation: 76 mW @ 500 kSPS
150 μW @ 1 kSPS
48-lead LQFP or 48-lead LFCSP package
Pin-to-pin compatible upgrade of AD7674/AD7676/AD7678
APPLICATIONS
CT scanners
High dynamic data acquisition
Geophone and hydrophone sensors
Σ-
replacement (low power, multichannel)
Instrumentation
Spectrum analysis
Medical instruments
GENERAL DESCRIPTION
registered trademarks are the property of their respective companies.
Rev.
0
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 that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
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
The AD7679 is an 18-bit, 570 kSPS, charge redistribution SAR,
fully differential analog-to-digital converter that operates on a
single 5 V power supply. The part contains a high speed 18-bit
sampling ADC, an internal conversion clock, an internal
reference buffer, error correction circuits, and both serial and
parallel system interface ports.
The part is available in a 48-lead LQFP or 48-lead LFCSP with
operation specified from –40°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
SWITCHED
CAP DAC
18
CONTROL LOGIC AND
CALIBRATION CIRCUITRY
CLOCK
AD7679
D[17:0]
BUSY
RD
CS
MODE0
OGND
OVDD
DGND
DVDD
AVDD
AGND
REF REFGND
IN+
IN–
PD
RESET
SERIAL
PORT
PARALLEL
INTERFACE
CNVST
PDBUF
REFBUFIN
MODE1
03085–0–001
Figure 1. Functional Block Diagram
Table 1. PulSAR Selection
Type/kSPS
Pseudo-
Differential
True Bipolar
True
Differential
18-Bit
Multichannel/
Simultaneous
100–250
AD7660/
AD7661
AD7663
AD7675
500–570
AD7650
/
AD7652
AD7664
/
AD7666
AD7665
AD7676
800–
1000
AD7653
AD7667
AD7671
AD7677
AD7678
AD7679
AD7654
AD7655
AD7674
PRODUCT HIGHLIGHTS
1.
High Resolution, Fast Throughput.
The AD7679 is a 570 kSPS, charge redistribution, 18-bit
SAR ADC (no latency).
2.
Excellent Accuracy.
The AD7679 has a maximum integral nonlinearity of
2.5 LSB with no missing 18-bit codes.
3.
Serial or Parallel Interface.
Versatile parallel (18-, 16-, or 8-bit bus) or 3-wire serial
interface arrangement compatible with both 3 V and
5 V logic.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EVAL-CONTROLBRD | 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC |
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| EVAL-AD7668CB | Evaluation Board AD766X/AD767X |
| EVAL-AD7650CB | Evaluation Board AD766X/AD767X |
| EVAL-AD7662CB | Evaluation Board AD766X/AD767X |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7679CBZ | 功能描述:BOARD EVALUATION FOR AD7679 RoHS:是 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:PulSAR® 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-AD7679EDZ | 功能描述:BOARD EVAL FOR AD7679 RoHS:是 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:PulSAR® 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-AD767XCB | 制造商:AD 制造商全稱:Analog Devices 功能描述:Evaluation Board AD766X/AD767X |
| EVAL-AD7682CBZ | 制造商:Analog Devices 功能描述:EVAL BOARD 4 CH 250KSPS 16BIT ADC IC - Bulk |
| EVAL-AD7682EDZ | 功能描述:BOARD EVAL AD7682 RoHS:是 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:PulSAR® 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 |
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