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AD7366BRUZ-5 View Datasheet(PDF) - Analog Devices

Part NameAD7366BRUZ-5 ADI
Analog Devices ADI
DescriptionTrue Bipolar Input, 12-/14-Bit, 2-Channel, Simultaneous Sampling SAR ADCs
AD7366BRUZ-5 Datasheet PDF : 29 Pages
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True Bipolar Input, 12-/14-Bit,
2-Channel, Simultaneous Sampling SAR ADCs
AD7366-5/AD7367-5
FEATURES
Dual 12-bit/14-bit, 2-channel ADCs
True bipolar analog inputs
Programmable input ranges
±10 V, ±5 V, 0 V to +10 V
±12 V with +3 V external reference
Throughput rate: 500 kSPS
Simultaneous conversion with read in less than 2 μs
High analog input impedance
Low current consumption
5.1 mA typical in normal mode
320 nA typical in shutdown mode
AD7366-5
72 dB SNR at 50 kHz input frequency
12-bit no missing codes
AD7367-5
76 dB SNR at 50 kHz input frequency
14-bit no missing codes
Accurate on-chip reference: 2.5 V ± 0.2%
–40°C to +85°C operation
High speed serial interface
SPI-/QSPI-/MICROWIRE-/DSP-compatible
iCMOS process technology
Available in a 24-lead TSSOP
GENERAL DESCRIPTION
The AD7366-5/AD7367-51 are dual, 12-/14-bit, low power,
successive approximation analog-to-digital converters (ADCs)
that feature throughput rates up to 500 kSPS. Each device contains
two ADCs, which are both preceded by a 2-channel multiplexer,
and a low noise, wide bandwidth, track-and-hold amplifier.
The AD7366-5/AD7367-5 are fabricated on the Analog
Devices, Inc., industrial CMOS process (iCMOS®)2, which is
a technology platform combining the advantages of low and
high voltage CMOS. The process allows the parts to accept
high voltage bipolar signals in addition to reducing power
consumption and package size. The AD7366-5/AD7367-5 can
accept true bipolar analog input signals in the ±10 V range,
±5 V range, and 0 V to +10 V range.
1 Protected by U.S. Patent No. 6,731,232.
2 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
+30 V and operating at ±15 V supplies while allowing dramatic reductions in
power consumption and package size, and increased ac and dc performance.
Rev. B
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.
FUNCTIONAL BLOCK DIAGRAM
VDD
DCAPA
AVCC
DVCC
REF
VA1
MUX
VA2
VB1
MUX
VB2
BUF
AD7366-5/AD7367-5
T/H
T/H
BUF
12-/14-BIT
SUCCESSIVE
APPROXIMATION
ADC
OUTPUT
DRIVERS
CONTROL
LOGIC
12-/14-BIT
SUCCESSIVE
APPROXIMATION
ADC
OUTPUT
DRIVERS
DOUTA
SCLK
CNVST
CS
BUSY
ADDR
RANGE0
RANGE1
REFSEL
VDRIVE
DOUTB
AGND AGND
VSS DCAPB
Figure 1.
DGND
The devices have an on-chip 2.5 V reference that can be disabled to
allow the use of an external reference. If a 3 V reference is applied
to the DCAPA and DCAPB pins, the AD7366-5/AD7367-5 can
accept a true bipolar ±12 V analog input. Minimum ±12 V VDD
and VSS supplies are required for the ±12 V input range.
PRODUCT HIGHLIGHTS
1. True bipolar analog input signals can be accepted, as well
as ±10 V, ±5 V, ±12 V (with external reference), and 0 V to
+10 V unipolar signals.
2. Two complete ADC functions allow simultaneous
sampling and conversion of two channels.
3. A 500 kSPS serial interface is SPI-/QSPI™-/MICROWIRE™-/
DSP-compatible.
Table 1. Related Products
Device
Resolution Throughput Rate
AD7366
12-Bit
1 MSPS
AD7366-5 12-Bit
500 kSPS
AD7367
14-Bit
1 MSPS
AD7367-5 14-Bit
500 kSPS
No. of Channels
Dual, 2-channel
Dual, 2-channel
Dual, 2-channel
Dual, 2-channel
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 ©2007-2011 Analog Devices, Inc. All rights reserved.
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