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ADT7316 Datasheet(PDF) 2 Page - Analog Devices

Part No. ADT7316
Description  SPI/I2C Compatible, 10-Bit Digital Temperature Sensor and Quad Voltage Output 12/10/8-Bit DAC
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADT7316 Datasheet(HTML) 2 Page - Analog Devices

 
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–2–
REV. PrN
PRELIMINARY TECHNICAL DATA
ADT7316/ADT7317/ADT7318-SPECIFICATIONS1
(VDD=2.7 V to 5.5 V, GND=0 V, REFIN=2.25 V, unless otherwise noted)
Parameter
2
Min
Typ
M a x
Units
Conditions/Comments
DACDCPERFORMANCE
3,4
ADT7318
Resolution
8
Bits
Relative Accuracy
±0.15
± 1
L S B
Relative Accuracy
tbd
tbd
L S B
Excluding Offset and Gain errors
Differential Nonlinearity
±0.02
±0.25
L S B
Guaranteed Monotonic by design over all codes
ADT7317
Resolution
10
Bits
Relative Accuracy
±0.5
± 4
L S B
Relative Accuracy
tbd
tbd
L S B
Excluding Offset and Gain errors
Differential Nonlinearity
±0.05
±0.5
L S B
Guaranteed Monotonic by design over all codes
ADT7316
Resolution
12
Bits
Relative Accuracy
± 2
±16
L S B
Relative Accuracy
tbd
tbd
L S B
Excluding Offset and Gain errors
Differential Nonlinearity
±0.02
±0.9
L S B
Guaranteed Monotonic by design over all codes
Offset Error
±0.4
± 3
% of FSR
Offset Error Match
±0.5
L S B
Gain Error
±0.3
±1.25
% of FSR
Gain Error Match
±0.5
L S B
Lower Deadband
20
60
m V
Lower Deadband exists only if Offset Error is
Negative. See Figure 5.
Upper Deadband
tbd
tbd
m V
Upper Deadband exists if VREF = VDD and Offset
plus Gain Error is positive. See Figure 6.
Offset Error Drift
6
-12
ppm of FSR/°C
Gain Error Drift
6
-5
ppm of FSR/°C
DC Power Supply Rejection Ratio
6
-60
dB
∆V
DD = ±10%
DC Crosstalk
6
200
µ V
RL = 2 K
Ω to GND or V
DD
THERMAL CHARACTERISTICS
InternalReferenceused.
INTERNALTEMPERATURE
SENSOR
Accuracy @ VDD=3.3V
± 2
° C
TA = 0°C to +85°C
±3
° C
TA = -40°C to +125°C
Accuracy @ VDD=5V
± 2
° C
TA = 0°C to +85°C
±3
° C
TA = -40°C to +125°C
Resolution
1 0
Bits
Long Term Drift
0.5
°C/1000hrs
EXTERNAL TEMPERATURE
SENSOR
External Transistor = 2N3906.
Accuracy @ VDD=3.3V
± 2
° C
TA = 0°C to +85°C.
±3
° C
TA = -40°C to +125°C
Accuracy @ VDD=5V
± 2
° C
TA = 0°C to +85°C
±3
° C
TA = -40°C to +125°C
Resolution
1 0
Bits
Update Rate, tR
T B D
µ s
Round Robin
5 enabled
T B D
µ s
Round Robin disabled
Temperature Conversion Time
TBD
µs
Output Source Current
180
µ A
High Level
11
µ A
Low Level
VOLTAGE OUTPUT
8-Bit DAC Output
Resolution
1
°C
Scale Factor
8.79
mV/°C
0-VREF Output. TA = -40°C to +125°C
17.58
mV/°C
0-2VREF Output. TA = -40°C to +125°C
10-Bit DAC Output
Resolution
0.25
°C


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