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參數(shù)資料
| 型號： | EVAL-AD7665CB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 16-Bit, 570 kSPS CMOS ADC |
| 中文描述： | 16位，570 kSPS的的CMOS模數(shù)轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 348K |
| 代理商： | EVAL-AD7665CB |
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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
a
AD7665
*
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
www.analog.com
Analog Devices, Inc., 2001
16-Bit, 570 kSPS CMOS ADC
FUNCTIONAL BLOCK DIAGRAM
DGND
DVDD
AVDD AGND REF REFGND
SWITCHED
CAP DAC
CNVST
IMPULSE
WARP
OGND
16
CONTROL LOGIC AND
CALIBRATION CIRCUITRY
CLOCK
IND(4R)
4R
OVDD
AD7665
INGND
PD
RESET
BYTESWAP
SER/
PAR
DATA[15:0]
BUSY
CS
RD
OB/
2C
SERIAL
PORT
PARALLEL
INTERFACE
INA(R)
R
INC(4R)
4R
INB(2R)
2R
FEATURES
Throughput:
570 kSPS (Warp Mode)
500 kSPS (Normal Mode)
INL: 2.5 LSB Max ( 0.0038% of Full Scale)
16-Bit Resolution with No Missing Codes
S/(N+D): 90 dB Typ @ 180 kHz
THD: –100 dB Typ @ 180 kHz
Analog Input Voltage Ranges:
Bipolar: 10 V, 5 V, 2.5 V
Unipolar: 0 V to 10 V, 0 V to 5 V, 0 V to 2.5 V
Both AC and DC Specifications
No Pipeline Delay
Parallel (8/16 Bits) and Serial 5 V/3 V Interface
Single 5 V Supply Operation
Power Dissipation
64 mW Typical
15
W @ 100 SPS
Power-Down Mode: 7 W Max
Package: 48-Lead Quad Flatpack (LQFP)
Pin-to-Pin Compatible Upgrade of the AD7664/AD7663
APPLICATIONS
Data Acquisition
Communication
Instrumentation
Spectrum Analysis
Medical Instruments
Process Control
GENERAL DESCRIPTION
The AD7665 is a 16-bit, 570 kSPS, charge redistribution SAR,
analog-to-digital converter that operates from a single 5 V power
supply. It contains a high-speed 16-bit sampling ADC, a resistor
input scaler which allows various input ranges, an internal con-
version clock, error correction circuits, and both serial and
parallel system interface ports.
The AD7665 is hardware factory-calibrated and is comprehen-
sively tested to ensure such ac parameters as signal-to-noise ratio
(SNR) and total harmonic distortion (THD), in addition to the
more traditional dc parameters of gain, offset, and linearity.
It features a very high sampling rate mode (Warp) and, for
asynchronous conversion rate applications, a fast mode (Nor-
mal) and, for low power applications, a reduced power mode
(Impulse) where the power is scaled with the throughput. It is
fabricated using Analog Devices’ high-performance, 0.6 micron
CMOS process and is available in a 48-lead LQFP with opera-
tion specified from –40
°
C to +85
°
C.
*
Patent pending.
PRODUCT HIGHLIGHTS
1. Fast Throughput
The AD7665 is a very high speed (570 kSPS in Warp mode
and 500 kSPS in Normal mode), charge redistribution,
16-bit SAR ADC.
2. Single Supply Operation
The AD7665 operates from a single 5 V supply, dissipates
only 64 mW typical, even lower when a reduced throughput
is used with the reduced power mode (Impulse) and a power-
down mode.
3. Superior INL
The AD7665 has a maximum integral nonlinearity of 2.5LSB
with no missing 16-bit code.
4. Serial or Parallel Interface
Versatile parallel (8 or 16 bits) or 2-wire serial interface
arrangement compatible with both 3 V or 5 V logic.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7665CBZ | 功能描述:BOARD EVALUATION FOR AD7665 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 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-AD7665EDZ | 功能描述:BOARD EVAL FOR AD76XXEDZ RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:* 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-AD7666CBZ | 功能描述:BOARD EVALUATION FOR AD7666 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 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-AD7667CB | 制造商:Analog Devices 功能描述: |
| EVAL-AD7667CBZ | 功能描述:BOARD EVALUATION FOR AD7667 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 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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