Datasheet

Data Sheet AD536A
Rev. E | Page 3 of 16
SPECIFICATIONS
T
A
= +25°C and ±15 V dc, unless otherwise noted.
Table 1.
AD536AJ
AD536AK
AD536AS
Parameter Min Typ Max Min Typ Max Min Typ Max Unit
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 Trim
1
(See Figure 13)
±5 ± 0.5
±2 ± 0.2 ±5 ± 0.5 mV ± % of rdg
vs. Temperature
T
MIN
to +70°C ±0.1 ± 0.01 ±0.05 ± 0.005 ±0.1 ± 0.005 mV ± % of rdg/°C
+70°C to +125°C ±0.3 ± 0.005 mV ± % of rdg/°C
vs. Supply Voltage ±0.1
±0.01
±0.1 ± 0.01 ±0.1
±0.01
mV ± % of rdg/°C
dc Reversal Error ±0.2 ±0.1 ±0.2 mV ± % of rdg
Total Error, External Trim
1
(See Figure 16)
±3 ± 0.3
±2 ± 0.1
±3 ± 0.3
mV ± % of rdg
ERROR VS. CREST FACTOR
2
Crest Factor 1 to Crest Factor 2 Specified accuracy Specified accuracy Specified accuracy
Crest Factor = 3 −0.1 −0.1 −0.1 % of rdg
Crest Factor = 7 −1.0 −1.0 −1.0 % of rdg
FREQUENCY RESPONSE
3
Bandwidth for 1% Additional
Error (0.09 dB)
V
IN
= 10 mV 5 5 5 kHz
V
IN
= 100 mV 45 45 45 kHz
V
IN
= 1 V 120 120 120 kHz
±3 dB Bandwidth
V
IN
= 10 mV
90
90
90
kHz
V
IN
= 100 mV 450 450 450 kHz
V
IN
= 1 V
2.3
2.3
2.3
MHz
AVERAGING TIME CONSTANT
(See Figure 19)
25 25 25 ms/µF
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,
V
S
= ±5 V
0 to 2 0 to 2 0 to 2 V rms
Peak Transient Input,
V
S
= ±5 V
±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 kΩ
Input Offset Voltage 0.8 ±2 0.5 ±1 0.8 ±2 mV
OUTPUT CHARACTERISTICS
Offset Voltage, V
IN
= COM
(See Figure 13)
±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, 0 dB = 1 V rms
(See Figure 7)
Error, 7 mV < V
IN
< 7 V rms ±0.4 ±0.6 ±0.2 ±0.3 ±0.5 ±0.6 dB
Scale Factor −3 −3 −3 mV/dB
Scale Factor Temperature
Coefficient
−0.033
−0.033
−0.033
dB/°C
Uncompensated +0.33 +0.33 +0.33 % of rdg/°C
I
REF
for 0 dB = 1 V rms 5 20 80 5 20 80 5 20 80 µA
I
REF
Range
1
100
1
100
1
100
µA