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AD7366 Datasheet(PDF) 1 Page - Analog Devices

Part No. AD7366
Description  True Bipolar Input, Dual 1us, 12-Bit, 2-Channel SAR ADC
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD7366 Datasheet(HTML) 1 Page - Analog Devices

 
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True Bipolar Input, Dual
1μs, 12-Bit, 2-Channel SAR ADC
Preliminary Technical Data
AD7366
Rev. PrG
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 Analog Devices, Inc. All rights reserved.
FEATURES
Dual 12-bit, 2-channel ADC
True Bipolar Analog Inputs
Programmable Input Ranges
±10, ±5, 0 to 10 V
Throughput rate: 1 MSPS
Simultaneous conversion with read in less than 1μs
Specified for VCC of 5 V±5%
Low current consumption: 5.65 mA max
Wide input bandwidth
70 dB SNR at 50 kHz input frequency
On-chip reference: 2.5 V
–40°C to +85°C operation
High speed serial interface
SPI®/QSPI™/MICROWIRE™/DSP compatible
iCMOSTM Process Technology
24-lead TSSOP package
For 14 bit version see AD7367
GENERAL DESCRIPTION
The AD73661 is a dual, 12-bit, high speed, low power, successive
approximation ADC that features throughput rates up to 1
MSPS. The device contains two ADCs, each preceded by a 2-
channel multiplexer, and a low noise, wide bandwidth track-
and-hold amplifier that can handle input frequencies in excess
of 10 MHz.
The AD7366 is fabricated on Analog Devices’ Industrial CMOS
process, iCMOS, a technology platform combining the
advantages of low and high voltage CMOS, bipolar and high
voltage DMOS processes. The process allows the AD7366 to
accept high voltage bipolar signals in addition to reducing
power consumption and package size. The AD7366 can accept
true bipolar analog input signals in the ±10 V range, ±5 V range
and 0 to 10 V range.
The AD7366 has an on-chip 2.5 V reference that can be
overdriven if an external reference is preferred. The AD7366 is
available in a 24-lead TSSOP package.
iCMOSTM Process Technology
For analog systems designers within industrial/instrumentation equipment
OEMs who need high performance ICs at higher-voltage levels, iCMOS is a
technology platform that enables the development of analog ICs capable of
30V and operating at +/- 15V supplies while allowing dramatic reductions in
power consumption and package size, and increased AC and DC
performance.
1Protected by U.S. Patent No. 6,681,332.
FUNCTIONAL BLOCK DIAGRAM
OUTPUT
DRIVERS
T/H
OUTPUT
DRIVERS
CONTROL
LOGIC
12-BIT
SUCCESSIVE
APPROXIMATION
ADC
12-BIT
SUCCESSIVE
APPROXIMATION
ADC
T/H
MUX
MUX
REF
BUF
BUF
AD7366
VA1
VA2
VB1
VB2
DCAPA
DVCC
AVCC
VDD
CONVST
CS
DOUTA
ADDR
RANGE0
RANGE1
VDRIVE
BUSY
DOUTB
SCLK
REFSEL
AGND
VSS
AGND
DGND
DCAPB
Figure 1
Table 1.Related Products
Device
Number
Resolution
Throughput
Rate
Number of
Channels
AD7367
14-Bit
1 MSPS
Dual, 2-ch
AD7366-5
12-Bit
500 KSPS
Dual, 2-ch
AD7367-5
14-Bit
500 KSPS
Dual, 2-ch


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