ADT7317 データシートの表示（PDF） - Analog Devices
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ADT7317 Datasheet PDF : 44 Pages
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ADT7316/ADT7317/ADT7318
SPECIFICATIONS
Temperature ranges for A version: –40°C to +120°C. VDD = 2.7 V to 5.5 V, GND = 0 V, REFIN = 2.25 V, unless otherwise noted.
Table 1.
Parameter1
Min
DAC DC PERFORMANCE2, 3
ADT7318
Resolution
Relative Accuracy
Differential Nonlinearity
ADT7317
Resolution
Relative Accuracy
Differential Nonlinearity
ADT7316
Resolution
Relative Accuracy
Differential Nonlinearity
Offset Error
Gain Error
Lower Dead Band
Upper Dead Band
Offset Error Drift
Gain Error Drift
DC Power Supply Rejection Ratio
DC Crosstalk
THERMAL CHARACTERISTICS
INTERNAL TEMPERATURE SENSOR
Accuracy at VDD = 3.3 V ±10%
Accuracy at VDD = 5 V ±5%
Resolution
Long-Term Drift
EXTERNAL TEMPERATURE SENSOR
Accuracy at VDD = 3.3 V ±10%
Accuracy at VDD = 5 V ±5%
Resolution
Output Source Current
Thermal Voltage Output
8-Bit DAC Output
Resolution
1
Scale Factor
10-Bit DAC Output
Resolution
0.25
Scale Factor
Typ Max
8
±0.15
±0.02
±1
±0.25
10
±0.5 ±4
±0.05 ±0.5
12
±2 ±16
±0.02 ±0.9
±0.4 ±2
±0.4 ±2
20 65
60 100
−12
−5
−60
200
±1.5
±0.5 ±3
±2 ±5
±2 ±3
±3 ±5
10
0.25
±1.5
±3
±5
±2 ±3
±3 ±5
10
180
11
8.79
17.58
2.2
4.39
Unit
Conditions/Comments
Bits
LSB
LSB
Guaranteed monotonic over all codes.
Bits
LSB
LSB
Guaranteed monotonic over all codes.
Bits
LSB
LSB
% of FSR
% of FSR
mV
mV
ppm of FSR/°C
ppm of FSR/°C
dB
μV
Guaranteed monotonic over all codes.
Lower dead band exists only if offset error is
negative. See Figure 2.
Upper dead band exists if VREF = VDD and offset
plus gain error is positive. See Figure 3.
∆VDD = ±10%.
See Figure 6.
Internal reference used. Averaging on.
°C
TA = 85°C.
°C
TA = 0°C to +85°C.
°C
TA = −40°C to +120°C.
°C
TA = 0°C to +85°C.
°C
TA = −40°C to +120°C.
Bits
Equivalent to 0.25°C.
°C
Drift over 10 years if part is operated at 55°C.
External transistor = 2N3906.
°C
TA = +85°C.
°C
TA = 0°C to +85°C.
°C
TA = −40°C to +120°C.
°C
TA = 0°C to +85°C.
°C
TA = −40°C to +120°C.
Bits
Equivalent to +0.25°C.
μA
High level.
μA
Low level.
°C
mV/°C
mV/°C
°C
mV/°C
mV/°C
0 V to VREF output. TA = −40°C to +120°C.
0 V to 2 VREF output. TA = −40°C to +120°C.
0 V to VREF output. TA = −40°C to +120°C.
0 V to 2 VREF output. TA= −40°C to +120°C.
Rev. B | Page 3 of 44
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