True Bipolar Input, Dual
1μs, 14-Bit, 2-Channel SAR ADC
AD7367
Preliminary Technical Data
FEATURES
Dual 14-bit, 2-channel ADC
True Bipolar Analog Inputs
Programmable Input Ranges
±10, ±±, 0 to 10 V
FUNCTIONAL BLOCK DIAGRAM
Throughput rate: 1 MSPS
Simultaneous conversion with read in 1μs
Specified for VCC of ± V±±%
Low current consumption: ±.6± mA max
Wide input bandwidth
14 bits No Missing Codes
On-chip reference: 2.± V
–40°C to +8±°C operation
High speed serial interface
SPI®/QSPI™/MICROWIRE™/DSP compatible
iCMOSTM Process Technology
24-lead TSSOP package
For 12 bit version see AD7366
GENERAL DESCRIPTION
The AD73671 is a dual, 14-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.
Figure 1
Table 1.Related Products
Device
Number
Resolution Throughput Number of
Rate
Channels
Dual, 2-ch
Dual, 2-ch
Dual, 2-ch
The AD7367 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 AD7367 to
accept high voltage bipolar signals in addition to reducing
power consumption and package size.
AD7366
12-Bit
12-Bit
14-Bit
1 MSPS
±00 KSPS
±00 KSPS
AD7366-±
AD7367-±
The AD7367 can accept true bipolar analog input signals in the
±10 ꢀ range, ±± ꢀ range and 0 to 10 ꢀ range.
The AD7367 has an on-chip 2.± ꢀ reference that can be
overdriven if an external reference is preferred. The AD7367 is
available in a 24-lead TSSOP package.
1Protected by U.S. Patent No. 6,681,332.
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.
Rev. PrD
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responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
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