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參數(shù)資料
| 型號： | AD7693BRMZRL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 16BIT 500KSPS 10-MSOP |
| 標準包裝： | 1,000 |
| 系列： | PulSAR® |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 500k |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉換器數(shù)目： | 1 |
| 功率耗散（最大）： | 21.5mW |
| 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個差分，雙極 |
| 配用： | EVAL-AD7693CBZ-ND - BOARD EVALUATION FOR AD7693 |
16-Bit, ±0.5 LSB, 500 kSPS PulSAR
Differential ADC in MSOP/QFN
AD7693
Rev. A
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
2006–2011 Analog Devices, Inc. All rights reserved.
FEATURES
16-bit resolution with no missing codes
Throughput: 500 kSPS
INL/DNL: ±0.25 LSB typ, ±0.5 LSB max (±8 ppm of FSR)
Dynamic range: 96.5 dB
SINAD: 96 dB @ 1 kHz
THD: 120 dB @ 1 kHz
True differential analog input range: ±VREF
0 V to VREF with VREF up to VDD on both inputs
No pipeline delay
Single-supply 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, selectable busy indicator
Power dissipation: 40 nJ/conversion
40 μW @ 5 V/1 kSPS
4 mW @ 5 V/100 kSPS
18 mW @ 5 V/500 kSPS
Standby current: 1 nA
10-lead package: MSOP (MSOP-8 size) and
3 mm × 3 mm QFN (LFCSP) (SOT-23 size)
APPLICATIONS
Battery-powered equipment
Data acquisitions
Seismic data acquisition systems
DVMs
Instrumentation
Medical instruments
1.0
–1.0
0
65536
CODE
IN
L
(
L
S
B
)
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
16384
32768
49152
POSITIVE INL = +0.17LSB
NEGATIVE INL = –0.17LSB
063
94
-00
1
Figure 1. Integral Nonlinearity vs. Code
APPLICATION DIAGRAM
AD7693
REF
GND
VDD
IN+
IN–
VIO
SDI
SCK
SDO
CNV
+1.8V TO VDD
3- OR 4-WIRE
INTERFACE
(SPI, DAISY CHAIN, CS)
+2.5V TO +5V
±10V, ±5V, ...
+5V
ADA4941-1
0
6394-
002
Figure 2.
Table 1. MSOP, QFN (LFCSP)/SOT-23
14-/16-/18-Bit PulSAR ADC
Type
100
kSPS
250
kSPS
400 kSPS
to
500 kSPS
ADC
Driver
18-Bit
16-Bit True
Differential
AD7693
16-Bit Pseudo
Differential/
Unipolar
14-Bit
GENERAL DESCRIPTION
The AD7693 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
with no missing codes, an internal conversion clock, and a
versatile serial interface port. The reference voltage, VREF, is
applied externally and can be set up to the supply voltage, VDD.
On the CNV rising edge, it samples the voltage difference
between the IN+ and IN pins. The voltages on these pins
swing in opposite phase between 0 V and VREF about VREF/2.
Its power scales linearly with throughput.
Using the SDI input, the SPI-compatible serial interface also
features the ability 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 VIO supply.
The AD7693 is housed in a 10-lead MSOP or a 10-lead QFN
(LFCSP) with operation specified from 40°C to +85°C.
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| AD7694ARMZ | 功能描述:IC ADC 16BIT SAR 250KSPS 8MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:PulSAR® 標準包裝: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 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端，單極；1 個單端，雙極 |
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