參數(shù)資料
型號： EVAL-AD7675CBZ
廠商： Analog Devices Inc
文件頁數(shù)： 1/20頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR AD7675
標(biāo)準包裝： 1
系列： PulSAR®
ADC 的數(shù)量： 1
位數(shù)： 16
采樣率（每秒）： 100k
數(shù)據(jù)接口： 串行，并聯(lián)
輸入范圍： ±VREF
在以下條件下的電源（標(biāo)準）： 17mW @ 100kSPS
工作溫度： -40°C ~ 85°C
已用 IC / 零件： AD7675
已供物品： 板
相關(guān)產(chǎn)品： AD7675ACPZRL-ND - IC ADC 16BIT SAR 100KSPS 48LFCSP
AD7675ACPZ-ND - IC ADC 16BIT SAR 100KSPS 48LFCSP
AD7675ASTZ-ND - IC ADC 16BIT DIFF INP 48LQFP
AD7675ASTZRL-ND - IC ADC 16BIT DIFF INP 48LQFP
REV. A
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
AD7675
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
Analog Devices, Inc., 2002
16-Bit, 100 kSPS,
Differential ADC
FUNCTIONAL BLOCK DIAGRAM
CONTROL LOGIC AND
CALIBRATION CIRCUITRY
CLOCK
OB/
2C
16
DATA[15:0]
BUSY
CS
SER/
PAR
OGND
OVDD
DGND
DVDD
SERIAL
PORT
PARALLEL
INTERFACE
BYTESWAP
RD
AVDD AGND
REF REFGND
PD
RESET
CNVST
IN–
SWITCHED
CAP DAC
AD7675
IN+
PulSAR Selection
Type/kSPS
100–250
500–570
1000
Pseudo
AD7660
AD7650
Differential
AD7664
True Bipolar
AD7663
AD7665
AD7671
True Differential
AD7675
AD7676
AD7677
FEATURES
Throughput: 100 kSPS
INL:
1.5 LSB Max ( 0.0015% of Full Scale)
16 Bits Resolution with No Missing Codes
S/(N+D): 94 dB Typ @ 45 kHz
THD: –110 dB Typ @ 45 kHz
Differential Input Range:
2.5 V
Both AC and DC Specifications
No Pipeline Delay
Parallel (8 Bits/16 Bits) and Serial 5 V/3 V Interface
SPI/QSPI/MICROWIRE/DSP Compatible
Single 5 V Supply Operation
15 mW Typical Power Dissipation, 15
W @ 100 SPS
Power-Down Mode: 7
W Max
Packages: 48-Lead Quad Flatpack (LQFP),
46-Lead Frame Chip Scale (LFCSP)
Pin-to-Pin Compatible with the AD7660
Replacement of AD676, AD677
APPLICATIONS
CT Scanners
Data Acquisition
Instrumentation
Spectrum Analysis
Medical Instruments
Battery-Powered Systems
Process Control
GENERAL DESCRIPTION
The AD7675 is a 16-bit, 100 kSPS, charge redistribution SAR,
fully differential analog-to-digital converter that operates from a
single 5 V power supply. The part contains a high speed 16-bit
sampling ADC, an internal conversion clock, error correction
circuits, and both serial and parallel system interface ports.
The AD7675 is hardware factory calibrated and is comprehensively
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 is fabricated using Analog Devices’ high performance, 0.6
micron CMOS process and is available in a 48-lead LQFP or a
tiny 48-lead LFCSP with operation specified from –40
°C to +85°C.
PRODUCT HIGHLIGHTS
1. Excellent INL
The AD7675 has a maximum integral nonlinearity of 1.5 LSB
with no missing 16-bit code.
2. Superior AC Performances
The AD7675 has a minimum dynamic of 92 dB, 94 dB typical.
3. Fast Throughput
The AD7675 is a 100 kSPS, charge redistribution, 16-bit
SAR ADC with internal error correction circuitry.
4. Single-Supply Operation
The AD7675 operates from a single 5 V supply and typically
dissipates only 17 mW. Its power dissipation decreases
with the throughput to, for instance, only 15
W at a 100 SPS
throughput. It consumes 7
W maximum when in power-down.
5. Serial or Parallel Interface
Versatile parallel (8 bits or 16 bits) or 2-wire serial interface
arrangement compatible with either 3 V or 5 V logic.
SPI and QSPI are trademarks of Motorola Inc.
MICROWIRE is a trademark of National Semiconductor Inc.
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