AD7538 查看數據表（PDF） - Analog Devices
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AD7538 Datasheet PDF : 16 Pages
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AD7538
SPECIFICATIONS
VDD = 11.4 V to 15.75 V1, VREF = 10 V; VPIN3 = VPIN4 = 0 V, VSS = −300 mV; all specifications TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter2
ACCURACY
Resolution
Relative Accuracy
Differential Nonlinearity
Full-Scale Error
+25°C
TMIN to TMAX
Gain Temperature Coefficient3;
ΔGain/ΔTemperature
Output Leakage Current
IOUT (Pin 3)
25°C
TMIN to TMAX
TMIN to TMAX
REFERENCE INPUT
Input Resistance (Pin 1)
DIGITAL INPUTS
VIH (Input High Voltage)
VIL (Input Low Voltage)
IIN (Input Current)
25°C
TMIN to TMAX
CIN (Input Capacitance)3
POWER SUPPLY
VDD Range
VSS Range
IDD
A, J
Versions
B, K
Versions
S Version
14
14
14
±2
±1
±2
±1
±1
±1
±4
±4
±4
±8
±5
±10
±2
±2
±2
±5
±5
±5
±10
±10
±20
±25
±25
±150
3.5
3.5
3.5
10
10
10
2.4
2.4
2.4
0.8
0.8
0.8
±1
±1
±1
±10
±10
±10
7
7
7
11.4/15.75 11.4/15.75 11.4/15.75
−200/−500 −200/−500 −200/−500
4
4
4
500
500
500
T Version Unit
Test Conditions/Comments
14
Bits
±1
LSB max
All grades guaranteed
monotonic
±1
LSB max
Over temperature
Measured using internal RFB DAC
±4
LSB max
Registers loaded with all 1s
±6
LSB max
±2
ppm/°C typ
±5
±20
±150
nA max
nA max
nA max
All digital inputs 0 V
VSS = –300 mV
VSS = 0 V
3.5
kΩ min
Typical input resistance = 6 kΩ
10
kΩ max
2.4
V min
0.8
V max
±1
μA max
VIN = 0 V or VDD
±10
μA max
7
pF max
11.4/15.75
−200/−500
4
500
V min/V max
mV min/
mV max
mA max
μA max
Specification guaranteed over
this range
Specification guaranteed over
this range
All digital inputs are VIL or VIH
All digital inputs are 0 V or VDD
1 Specifications are guaranteed for a VDD of 11.4 V to 15.75 V. At VDD = 5 V, the device is fully functional with degraded specifications.
2 Temperature range as follows: J, K Versions: 0°C to +70°C
A, B Versions: −25°C to +85°C
S, T Versions: −55°C to +125°C
3 Sample tested to ensure compliance.
Rev. B | Page 3 of 16
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