AD7538JRZ Analog Devices Inc, AD7538JRZ Datasheet - Page 7
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AD7538JRZ
Manufacturer Part Number
AD7538JRZ
Description
DAC 1-CH R-2R 14-Bit 24-Pin SOIC W
Manufacturer
Analog Devices Inc
Datasheet
1.AD7538JRZ-REEL.pdf
(16 pages)
Specifications of AD7538JRZ
Package
24SOIC W
Resolution
14 Bit
Conversion Rate
667 KSPS
Architecture
R-2R
Digital Interface Type
Parallel
Number Of Outputs Per Chip
1
Output Type
Current
Full Scale Error
±8 LSB
Integral Nonlinearity Error
±2 LSB
Maximum Settling Time
1.5 us
Settling Time
1.5µs
Number Of Bits
14
Data Interface
Parallel
Number Of Converters
1
Voltage Supply Source
Single Supply
Power Dissipation (max)
1W
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
24-SOIC (7.5mm Width)
Number Of Channels
1
Interface Type
Parallel
Single Supply Voltage (typ)
12/15V
Dual Supply Voltage (typ)
Not RequiredV
Power Supply Requirement
Single
Single Supply Voltage (min)
11.4V
Single Supply Voltage (max)
15.75V
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
24
Package Type
SOIC W
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD7538JRZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 5. Pin Function Description
Pin No.
1
2
3
4
5
6 to 19
20
21
22
23
24
1
X = don’t care.
Mnemonic
V
R
I
AGND
DGND
DB13 to DB0
LDAC
CS
WR
V
V
OUT
REF
FB
DD
SS
Description
Voltage Reference.
Feedback Resistor. Used to close the loop around an external op amp.
Current Output Terminal.
Analog Ground
Digital Ground.
Data Inputs. Bit DB13 (MSB) to Bit DB0 (LSB).
Chip Select Input. Active low.
Asynchronous Load DAC Input. Active low.
Write Input. Active low.
CS
0
1
0
1
X
+12 V to +15 V Supply Input.
Bias pin for high temperature low leakage configuration. To implement low leakage system, the pin should be
at a negative voltage. See Figure 6 and Figure 8 for recommended circuitry.
1
X
LDAC
1
0
0
1
1
(MSB) DB13
AGND
DGND
DB12
DB10
DB11
V
I
DB9
DB8
DB7
R
OUT
REF
Figure 3. Pin Configuration
FB
Rev. B | Page 7 of 16
10
11
12
1
2
3
4
5
6
7
8
9
WR
0
X
0
X
1
1
1
(Not to Scale)
AD7538
TOP VIEW
24
23
22
20
19
18
17
16
15
14
13
21
V
V
WR
CS
LDAC
DB0 (LSB)
DB1
DB2
DB3
DB4
DB5
DB6
SS
DD
Operation
Load input register.
Load DAC register from input register.
Input and DAC registers are transparent.
No operation.
No operation.
AD7538