AD596 데이터 시트보기 (PDF) - Analog Devices
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AD596 Datasheet PDF : 8 Pages
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AD596/AD597–SPECIFICATIONS (@ +60؇C and VS = 10 V, Type J (AD596), Type K (AD597) Thermocouple,
unless otherwise noted)
Model
AD596AH
Min
Typ Max
AD597AH
Min
Typ Max
AD597AR
Min
Typ Max
Units
ABSOLUTE MAXIMUM RATINGS
+VS to –VS
Common-Mode Input Voltage
Differential Input Voltage
Alarm Voltages
+ALM
–ALM
Operating Temperature Range
Output Short Circuit to Common
(–VS – 0.15)
–VS
–VS
–VS
–55
Indefinite
36
+VS
(–VS – 0.15)
+VS
–VS
(–VS +36)
+VS
+125
–VS
–VS
–55
Indefinite
36
+VS
+VS
(–VS +36)
+VS
+125
(–VS – 0.15)
–VS
–VS
–VS
–40
Indefinite
36
Volts
+VS
Volts
+VS
Volts
(–VS +36) Volts
+VS
Volts
+125
°C
TEMPERATURE MEASUREMENT
(Specified Temperature Range
+25°C to +100°C)
Calibration Error1
–4
Stability vs. Temperature2
Gain Error
–1.5
Nominal Transfer Function
+4
–4
± 0.02 ± 0.05
+1.5
–1.5
10
+4
–4
± 0.02 ± 0.05
+1.5
–1.5
10
± 0.02
10
+4
± 0.05
+1.5
°C
°C/°C
%
mV/°C
AMPLIFIER CHARACTERISTICS
Closed Loop Gain3
Input Offset Voltage
Input Bias Current
Differential Input Range
Common-Mode Range
Common-Mode Sensitivity–RTO
Power Supply Sensitivity–RTO
Output Voltage Range
Dual Supplies
Single Supply
Usable Output Current4
3 dB Bandwidth
180.6
°C × 53.21 + 235
0.1
–10
+50
(–VS – 0.15)
(+VS – 4)
10
1
10
245.5
°C × 41.27 – 37
0.1
–10
+50
(+VS – 0.15)
(+VS – 4)
10
1
10
(–VS + 2.5)
0
±5
15
(+VS – 2) (–VS + 2.5)
(+VS – 2) 0
±5
15
(+VS – 2)
(+VS – 2)
245.5
°C × 41.27 – 37
0.1
–10
+50
(–VS – 0.15)
(+VS – 4)
10
1
10
V/V
µV
µA
mV
Volts
mV/V
mV/V
(–VS + 2.5)
0
±5
15
(+VS – 2)
(+VS – 2)
Volts
Volts
mA
kHz
ALARM CHARACTERISTICS5
VCE(SAT) at 2 mA
Leakage Current
Operating Voltage at – ALM
Short Circuit Current
0.3
؎1
(+VS – 4)
20
Alarm Function Not Pinned Out
0.3
Volts
؎1
µA
(+VS – 4)
20
Volts
mA
POWER REQUIREMENTS
Operating
Quiescent Current
+VS
–VS
(+VS to –VS) ≤ 30
160 300
100 200
(+VS to –VS) ≤ 30
160 300
100 200
(+VS to –VS) ≤ 30
160 300
100 200
Volts
µA
µA
NOTES
1This is a measure of the deviation from ideal with a measuring thermocouple junction of 175°C and a chip temperature of 60°C. The ideal transfer function is given by:
AD596: VOUT = 180.57 × (Vm – Va + (ambient in °C) × 53.21 µV/°C + 235 µV)
AD597: VOUT = 245.46 × (Vm – Va + (ambient in °C) × 41.27 µV/°C – 37 µV)
where Vm, and Va represent the measuring and ambient temperatures and are taken from the appropriate J or K thermocouple table. The ideal transfer function minimizes the
error over the ambient temperature range of 25°C to 100°C with a thermocouple temperature of approximately 175°C.
2Defined as the slope of the line connecting the AD596/AD597 CJC errors measured at 25°C and 100°C ambient temperature.
3Pin 6 shorted to Pin 7.
4Current Sink Capability in single supply configuration is limited to current drawn to ground through a 50 kΩ resistor at output voltages below 2.5 V.
5Alarm function available on H package option only.
Specifications subject to change without notice.
Specifications shown in boldface are tested on all production units at final electrical test. Results from those tests are used to calculate outgoing quality levels. All min and max
specifications are guaranteed, although only those shown in boldface are tested on all production units.
Model
ORDERING GUIDE
Package Description Package Options
AD596AH
AD597AH
AD597AR*
TO-100
TO-100
Plastic SOIC
H-10A
H-10A
SO-8
*Consult factory for availability.
–2–
REV. B
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