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AD7610BSTZ 用户编程技术手册 - ADI（亚德诺）
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ADI（亚德诺）
分类:
AD转换器
封装:
LQFP-48
描述:
ANALOG DEVICES AD7610BSTZ 模数转换器, 16 bit, 250 kSPS, 2.7 V, 15.75 V, LQFP
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AD7610BSTZ数据手册
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16-Bit, 250 kSPS, Unipolar/Bipolar
Programmable Input PulSAR
®
ADC
Data Sheet
AD7610
Rev. A
Document Feedback
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 registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2006–2012 Analog Devices, Inc. All rights reserved.
Technical Support www.analog.com
FEATURES
Multiple pins/software programmable input ranges:
5 V, 10 V, ±5 V, ±10 V
Pins or serial SPI®-compatible input ranges/mode selection
Throughput: 250 kSPS
16-bit resolution with no missing codes
INL: ±0.75 LSB typ, ±1.5 LSB max (±23 ppm of FSR)
SNR: 94 dB @ 2 kHz
iCMOS® process technology
5 V internal reference: typical drift 3 ppm/°C;
On-chip temperature sensor
No pipeline delay (SAR architecture)
Parallel (16- or 8-bit bus) and serial 5 V/3.3 V interface
SPI-/QSPI™-/MICROWIRE™-/DSP-compatible
Power dissipation
90 mW @ 250 kSPS
10 mW @ 1 kSPS
48-lead LQFP and LFCSP (7 mm × 7 mm) packages
APPLICATIONS
Process control
Medical instruments
High speed data acquisition
Digital signal processing
Instrumentation
Spectrum analysis
ATE
FUNCTIONAL BLOCK DIAGRAM
16
CLOCK
AD7610
DGNDDVDD
AVDD
AGND
REF REFGND
IN+
PD
RESET
CNVST
PDBUF
REFBUFIN
PDREF
REF
TEMP
D[15:0]
BUSY
RD
CS
OB/2C
OGND
OVDD
BYTESWAP
SER/PAR
REF
AMP
SWITCHED
CAP DAC
VCC VEE
BIPOLAR TEN
IN–
SERIAL
CONFIGURATION
PORT
PARALLEL
INTERFACE
SERIAL
DATAPORT
CONTROL LOGIC AND
CALIBRATION CIRCUITRY
06395-001
Figure 1.
GENERAL DESCRIPTION
The AD7610 is a 16-bit charge redistribution successive approxi-
mation register (SAR), architecture analog-to-digital converter
(ADC) fabricated on Analog Devices, Inc.’s iCMOS high voltage
process. The device is configured through hardware or via a
dedicated write only serial configuration port for input range
and operating mode. The AD7610 contains a high speed 16-bit
sampling ADC, an internal conversion clock, an internal reference
(and buffer), error correction circuits, and both serial and parallel
system interface ports. A falling edge on
CNVST
samples the
analog input on IN+ with respect to a ground sense, IN−. The
AD7610 features four different analog input ranges: 0 V to 5 V, 0 V
to 10 V, ±5 V, and ±10 V. Power consumption is scaled linearly
with throughput. The device is available in Pb-free 48-lead, low-
profile quad flat package (LQFP) and a lead frame chip-scale
(LFCSP_VQ) package. Operation is specified from −40°C to
+85°C.
Table 1. 48-Lead 14-/16-/18-Bit PulSAR Selection
Type
100 kSPS to
250 kSPS
500 kSPS to
570 kSPS
800 kSPS to
1000 kSPS
>1000
kSPS
Pseudo
Differential
AD7651
AD7660
AD7661
AD7650
AD7652
AD7664
AD7666
AD7653
AD7667
True Bipolar AD7610
AD7663
AD7665 AD7612
AD7671
AD7951
True
Differential
AD7675 AD7676 AD7677 AD7621
AD7622
AD7623
18-Bit, True
Differential
AD7678 AD7679 AD7674 AD7641
AD7643
Multichannel/
Simultaneous
AD7654
AD7655
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