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參數(shù)資料
| 型號(hào)： | EVAL-AD7983SDZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/24頁 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD7983 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | PulSAR® |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 1.33M |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 輸入范圍： | 0 ~ VREF |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 10.5mW @ 1.33MSPS |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7983 |
| 已供物品： | 板 |
16-Bit, 1.33 MSPS PulSAR ADC in
MSOP/QFN
AD7983
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
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
2007–2010 Analog Devices, Inc. All rights reserved.
FEATURES
16-bit resolution with no missing codes
Throughput: 1.33 MSPS
Low power dissipation: 10.5 mW typical @ 1.33 MSPS
INL: ±0.6 LSB typical, ±1.0 LSB maximum
SINAD: 91.6 dB @ 10 kHz
THD: 115 dB @ 10 kHz
Pseudo differential analog input range
0 V to VREF with VREF between 2.9 V to 5.5 V
Any input range and easy to drive with the ADA4841
No pipeline delay
Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V logic
interface
Serial interface SPI-/QSPI-/MICROWIRE-/DSP-compatible
Daisy-chain multiple ADCs and busy indicator
10-lead MSOP (MSOP-8 size) and 10-lead 3 mm × 3 mm QFN
(LFCSP), SOT-23 size
Wide operating temperature range: 40°C to +85°C
APPLICATIONS
Battery-powered equipment
Communications
ATE
Data acquisitions
Medical instruments
APPLICATION DIAGRAM
AD7983
REF
GND
VDD
IN+
IN–
VIO
SDI
SCK
SDO
CNV
1.8V TO 5V
3- OR 4-WIRE INTERFACE
(SPI, DAISY CHAIN, CS)
2.9V TO 5V
2.5V
0 TO VREF
06
97
4-
0
01
Figure 1.
GENERAL DESCRIPTION
The AD7983 is a 16-bit, successive approximation, analog-to-
digital converter (ADC) that operates from a single power
supply, VDD. It contains a low power, high speed, 16-bit
sampling ADC and a versatile serial interface port. On the CNV
rising edge, it samples an analog input IN+ between 0 V to REF
with respect to a ground sense IN. The reference voltage, REF,
is applied externally and can be set independent of the supply
voltage, VDD. Its power scales linearly with throughput.
The SPI-compatible serial interface also features the ability,
using the SDI input, to daisy-chain several ADCs on a single,
3-wire bus and provides an optional busy indicator. It is
compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic, using the separate
supply VIO.
The AD7983 is housed in a 10-lead MSOP or a 10-lead QFN
(LFCSP) with operation specified from 40°C to +85°C.
Table 1. MSOP, QFN (LFCSP) 14-/16-/18-Bit PulSAR ADC
Type
100 kSPS
250 kSPS
400 kSPS to 500 kSPS
≥1000 kSPS
ADC Driver
14-Bit
16-Bit
18-Bit
1 Pin-for-pin compatible.
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