AD7367-5 Analog Devices, AD7367-5 Datasheet - Page 10
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AD7367-5
Manufacturer Part Number
AD7367-5
Description
True Bipolar Input, 14-Bit, 2-Channel, Simultaneous Sampling SAR ADC
Manufacturer
Analog Devices
Datasheet
1.AD7366-5.pdf
(28 pages)
Specifications of AD7367-5
Resolution (bits)
14bit
# Chan
2
Sample Rate
500kSPS
Interface
Ser,SPI
Analog Input Type
Diff-Bip,Diff-Uni
Ain Range
Bip 10V,Bip 5.0V,Uni 10V
Adc Architecture
SAR
Pkg Type
SOP
AD7366-5/AD7367-5
Pin No.
18
19
20
21
22
24
Mnemonic
REFSEL
CS
SCLK
CNVST
BUSY
DGND
Description
Internal/External Reference Selection, Logic Input. If this pin is tied to logic high, the on-chip 2.5 V reference is
used as the reference source for both ADC A and ADC B. In addition, Pin D
decoupling capacitors. If the REFSEL pin is tied to GND, an external reference can be supplied to the AD7366-5/
AD7367-5 through the D
Chip Select, Active Low Logic Input. This input frames the serial data transfer. When CS is logic low, the output bus
is enabled, and the conversion result is output on D
Serial Clock, Logic Input. A serial clock input provides the SCLK for accessing the data from the AD7366-5/AD7367-5.
Conversion Start, Logic Input. This pin is edge triggered. On the falling edge of this input, the track/hold goes into
hold mode and the conversion is initiated. If CNVST is low at the end of a conversion, the part goes into power-
down mode. In this case, the rising edge of CNVST instructs the part to power up again.
Busy Output. BUSY transitions high when a conversion starts and remains high until the conversion completes.
Digital Ground. This is the ground reference point for all digital circuitry on the AD7366-5/AD7367-5. The DGND
pin should connect to the DGND plane of a system. The DGND and AGND voltages should ideally be at the same
potential and must not be more than 0.3 V apart, even on a transient basis.
CAP
A and/or D
Rev. A | Page 10 of 28
CAP
B pins.
OUT
A and D
OUT
B.
CAP
A and Pin D
CAP
B must be tied to