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AD536 Datasheet(PDF) 2 Page - Analog Devices

Part No. AD536
Description  Integrated Circuit True RMS-to-DC Converter
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD536 Datasheet(HTML) 2 Page - Analog Devices

   
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REV. B
–2–
AD536A–SPECIFICATIONS
Model
AD536AJ
AD536AK
AD536AS
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Units
TRANSFER FUNCTION
V
OUT =
avg .(V
IN )
2
V
OUT =
avg .(V
IN )
2
V
OUT =
avg .(V
IN )
2
CONVERSION ACCURACY
Total Error, Internal Trim1 (Figure 1)
5
0.5
2
0.2
5
0.5
mV
± % of Reading
vs. Temperature, TMIN to +70
°C
±0.1 ±0.01
±0.05 ±0.005
0.1
0.005
mV
± % of Reading/°C
+70
°C to +125°C
0.3
0.005
mV
± % of Reading/°C
vs. Supply Voltage
±0.1 ±0.01
±0.1 ±0.01
±0.1 ±0.01
mV
± % of Reading/V
dc Reversal Error
±0.2
±0.1
±0.2
± % of Reading
Total Error, External Trim
1 (Figure 2)
±3 ±0.3
±2 ±0.1
±3 ±0.3
mV
± % of Reading
ERROR VS. CREST FACTOR
2
Crest Factor 1 to 2
Specified Accuracy
Specified Accuracy
Specified Accuracy
Crest Factor = 3
–0.1
–0.1
–0.1
% of Reading
Crest Factor = 7
–1.0
–1.0
–1.0
% of Reading
FREQUENCY RESPONSE
3
Bandwidth for 1% Additional Error (0.09 dB)
VIN = 10 mV
5
5
5
kHz
VIN = 100 mV
45
45
45
kHz
VIN = 1 V
120
120
120
kHz
±3 dB Bandwidth
VIN = 10 mV
90
90
90
kHz
VIN = 100 mV
450
450
450
kHz
VIN = 1 V
2.3
2.3
2.3
MHz
AVERAGlNG TlME CONSTANT (Figure 5)
25
25
25
ms/
µF CAV
INPUT CHARACTERISTICS
Signal Range,
±15 V Supplies
Continuous rms Level
0 to 7
0 to 7
0 to 7
V rms
Peak Transient Input
±20
±20
±20
V peak
Continuous rms Level,
±5 V Supplies
0 to 2
0 to 2
0 to 2
V rms
Peak Transient Input,
±5 V Supplies
±7
±7
±7
V peak
Maximum Continuous Nondestructive
Input Level (All Supply Voltages)
±25
±25
±25
V peak
Input Resistance
13.33
16.67
20
13.33
16.67
20
13.33
16.67
20
k
Input Offset Voltage
0.8
±2
0.5
±1
0.8
±2mV
OUTPUT CHARACTERISTICS
Offset Voltage, VIN = COM (Figure 1)
±1
±2
±0.5
±1
2
mV
vs. Temperature
±0.1
±0.1
0.2
mV/
°C
vs. Supply Voltage
±0.1
±0.1
±0.2
mV/V
Voltage Swing,
±15 V Supplies
0 to +11
+12.5
0 to +11
+12.5
0 to +11
+12.5
V
±5 V Supply
0 to +2
0 to +2
0 to +2
V
dB OUTPUT (Figure 13)
Error, VlN 7 mV to 7 V rms, 0 dB = 1 V rms
±0.4
0.6
±0.2
0.3
±0.5
0.6
dB
Scale Factor
–3
–3
–3
mV/dB
Scale Factor TC (Uncompensated, see Fig-
ure 1 for Temperature Compensation)
–0.033
–0.033
–0.033
dB/
°C
+0.33
+0.33
+0.33
% of Reading/
°C
IREF for 0 dB = 1 V rms
5
20
80
5
20
80
5
20
80
µA
IREF Range
1
100
1
100
1
100
µA
IOUT TERMINAL
IOUT Scale Factor
40
40
40
µA/V rms
IOUT Scale Factor Tolerance
±10
±20
±10
±20
±10
±20
%
Output Resistance
20
25
30
20
25
30
20
25
30
k
Voltage Compliance
–VS to (+VS
–VS to (+VS
–VS to (+VS
–2.5 V)
–2.5 V)
–2.5 V)
V
BUFFER AMPLIFIER
Input and Output Voltage Range
–VS to (+VS
–VS to (+VS
–VS to (+VS
V
–2.5 V)
–2.5 V)
–2.5 V)
Input Offset Voltage, RS = 25 k
±0.5
4
±0.5
4
±0.5
4
mV
Input Bias Current
20
60
20
60
20
60
nA
Input Resistance
108
108
108
Output Current
(+5 mA,
(+5 mA,
(+5 mA,
–130
µA)
–130
µA)
–130
µA)
Short Circuit Current
20
20
20
mA
Output Resistance
0.5
0.5
0.5
Small Signal Bandwidth
1
1
1
MHz
Slew Rate4
555
V/
µs
POWER SUPPLY
Voltage Rated Performance
±15
±15
±15
V
Dual Supply
±3.0
±18
±3.0
±18
±3.0
±18
V
Single Supply
+5
+36
+5
+36
+5
+36
V
Quiescent Current
Total VS, 5 V to 36 V, TMIN to TMAX
1.2
2
1.2
2
1.2
2
mA
TEMPERATURE RANGE
Rated Performance
0
+70
0
+70
–55
+125
°C
Storage
–55
+150
–55
+150
–55
+150
°C
NUMBER OF TRANSISTORS
65
65
65
NOTES
1Accuracy is specified for 0 V to 7 V rms, dc or 1 kHz sine wave input with the AD536A connected as in the figure referenced.
2Error vs. crest factor is specified as an additional error for 1 V rms rectangular pulse input, pulsewidth = 200
µs.
3Input voltages are expressed in volts rms, and error is percent of reading.
4With 2k external pull-down resistor.
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.
(@ +25 C, and
15 V dc unless otherwise noted)


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