AD7397AR Analog Devices Inc, AD7397AR Datasheet - Page 4
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AD7397AR
Manufacturer Part Number
AD7397AR
Description
IC DAC 10BIT PARALLEL 3V 24-SOIC
Manufacturer
Analog Devices Inc
Datasheet
1.AD7396ARZ.pdf
(12 pages)
Specifications of AD7397AR
Rohs Status
RoHS non-compliant
Settling Time
60µs
Number Of Bits
10
Data Interface
Parallel
Number Of Converters
2
Voltage Supply Source
Single Supply
Power Dissipation (max)
1mW
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
24-SOIC (7.5mm Width)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD7397ARUZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD7397ARZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD7396/AD7397
CS
L
L
L
L
H
H
X
H
^Denotes positive edge. The SHDN pin has no effect on the digital interface data loading; however, while in the SHDN state (SHDN = 0) the output amplifiers V
and V
OUTB
LDA, LDB
D0–D11
A/B
L
H
L
H
X
X
X
X
exhibit an open circuit condition. Note, the LDx inputs are level-sensitive, the respective DAC registers are in a transparent state when LDx = “0.”
V
OUT
A/B
CS
RS
Figure 2. Timing Diagram
LDA
H
H
H
L
L
^
X
X
t
t
CSW
LS
t
t
AS
DS
t
t
t
t
S
DH
AH
LH
LDB
H
H
L
H
L
^
X
X
RS
H
H
H
H
H
H
L
^
t
RSW
t
S
t
LDW
SHDN
X
X
X
X
X
X
X
X
ERROR BAND
1 LSB
Table I. Control Logic Truth
Input Register
Write to B
Write to A
Write to B
Write to A
Latched
Latched
Reset to Zero Scale
Latched to Zero
–4–
DBx
A/B
CS
RS
Figure 3. Digital Control Logic
DAC Register
Latched with Previous Data
Latched with Previous Data
B Transparent
A Transparent
A and B Transparent
Latched with New Data from Input REG
Reset to Zero Scale
Latched to Zero
B REGISTER
1 OF 12
LATCHES
OF THE 2 INPUT
REGISTERS
TO DAC
REGISTERS
REV. 0
OUTA