AD7538 Analog Devices, AD7538 Datasheet - Page 3

• Manufacturer Part Number: AD7538
• Description: LC2MOS Microprocessor-Compatible 14-Bit DAC
• Manufacturer: Analog Devices

Specifications of AD7538

• Resolution (bits): 14bit
• Dac Update Rate: 667kSPS
• Dac Settling Time: 1.5µs
• Max Pos Supply (v): +15.75V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Par

SPECIFICATIONS
V
Table 1.
Parameter
ACCURACY
REFERENCE INPUT
DIGITAL INPUTS
POWER SUPPLY
1
2
3
Specifications are guaranteed for a V
Temperature range as follows: J, K Versions: 0°C to +70°C
Sample tested to ensure compliance.
DD
Resolution
Relative Accuracy
Differential Nonlinearity
Full-Scale Error
Gain Temperature Coefficient
Output Leakage Current
Input Resistance (Pin 1)
V
V
I
C
V
V
I
IN
DD
IH
IL
DD
SS
IN
= 11.4 V to 15.75 V
+25°C
T
ΔGain/ΔTemperature
I
25°C
T
T
(Input Current)
25°C
T
(Input Low Voltage)
OUT
(Input High Voltage)
(Input Capacitance)
Range
MIN
MIN
MIN
MIN
Range
(Pin 3)
to T
to T
to T
to T
2
MAX
MAX
MAX
MAX
1
, V
3
A, B Versions: −25°C to +85°C
S, T Versions: −55°C to +125°C
REF
3
;
= 10 V; V
DD
of 11.4 V to 15.75 V. At V
A, J
Versions
14
±2
±1
±4
±8
±2
±5
±10
±25
3.5
10
2.4
0.8
±1
±10
7
11.4/15.75
−200/−500
4
500
PIN3
= V
PIN4
±1
±4
±5
±1
500
B, K
Versions
14
±1
±5
±2
±10
±25
3.5
10
2.4
0.8
±10
7
11.4/15.75
−200/−500
4
= 0 V, V
DD
= 5 V, the device is fully functional with degraded specifications.
SS
Rev. B | Page 3 of 16
= −300 mV; all specifications T
S Version
14
±2
±1
±4
±10
±2
±5
±20
±150
3.5
10
2.4
0.8
±1
±10
7
11.4/15.75
−200/−500
4
500
±4
500
T Version
14
±1
±1
±6
±2
±5
±20
±150
3.5
10
2.4
0.8
±1
±10
7
11.4/15.75
−200/−500
4
Unit
Bits
LSB max
LSB max
LSB max
LSB max
ppm/°C typ
nA max
nA max
nA max
kΩ min
kΩ max
V min
V max
μA max
μA max
pF max
V min/V max
mV min/
mV max
mA max
μA max
MIN
to T
MAX
, unless otherwise noted.
Test Conditions/Comments
All grades guaranteed
monotonic
Over temperature
Measured using internal R
Registers loaded with all 1s
All digital inputs 0 V
V
V
Typical input resistance = 6 kΩ
V
Specification guaranteed over
this range
Specification guaranteed over
this range
All digital inputs are V
All digital inputs are 0 V or V
SS
SS
IN
= 0 V or V
= –300 mV
= 0 V
DD
AD7538
IL
or V
FB
DAC
IH
DD