Datasheet
AD736–SPECIFICATIONS
REV. C
–2–
(@ +258C 65 V supplies, ac coupled with 1 kHz sine-wave input applied unless
otherwise noted.)
AD736J/A AD736K/B
Model Conditions Min Typ Max Min Typ Max Units
TRANSFER FUNCTION
V
OUT
= Avg.(V
IN
2
)
V
OUT
= Avg.(V
IN
2
)
CONVERSION ACCURACY 1 kHz Sine Wave
Total Error, Internal Trim
1
ac Coupled Using C
C
All Grades 0–200 mV rms 0.3/0.3 0.5/0.5 0.2/0.2 0.3/0.3 ±mV/±% of Reading
200 mV–1 V rms –1.2 62.0 –1.2 62.0 % of Reading
T
MIN
–T
MAX
A&B Grades @ 200 mV rms 0.7/0.7 0.5/0.5 ±mV/±% of Reading
J&K Grades @ 200 mV rms 0.007 0.007 ±% of Reading/°C
vs. Supply Voltage
@ 200 mV rms Input V
S
= ±5 V to ±16.5 V 0 +0.06 +0.1 0 +0.06 +0.1 %/V
@ 200 mV rms Input V
S
= ±5 V to ±3 V 0 –0.18 –0.3 0 –0.18 –0.3 %/V
dc Reversal Error, dc Coupled @ 600 mV dc 1.3 2.5 1.3 2.5 % of Reading
Nonlinearity
2
, 0 mV–200 mV @ 100 mV rms 0 +0.25 +0.35 0 +0.25 +0.35 % of Reading
Total Error, External Trim 0–200 mV rms 0.1/0.5 0.1/0.3 ±mV/±% of Reading
ERROR vs. CREST FACTOR
3
Crest Factor 1 to 3 C
AV
, C
F
= 100 µF 0.7 0.7 % Additional Error
Crest Factor = 5 C
AV
, C
F
= 100 µF 2.5 2.5 % Additional Error
INPUT CHARACTERISTICS
High Impedance Input (Pin 2)
Signal Range
Continuous rms Level V
S
= +2.8 V, –3.2 V 200 200 mV rms
Continuous rms Level V
S
= ±5 V to ±16.5 V 11V rms
Peak Transient Input V
S
= +2.8 V, –3.2 V 60.9 60.9 V
Peak Transient Input V
S
= ±5 V ±2.7 ±2.7 V
Peak Transient Input V
S
= ±16.5 V 64.0 64.0 V
Input Resistance 10
12
10
12
Ω
Input Bias Current V
S
= ±3 V to ±16.5 V 1 25 1 25 pA
Low Impedance Input (Pin 1)
Signal Range
Continuous rms Level V
S
= +2.8 V, –3.2 V 300 300 mV rms
Continuous rms Level V
S
= ±5 V to ±16.5 V l l V rms
Peak Transient Input V
S
= +2.8 V, –3.2 V ±1.7 ±1.7 V
Peak Transient Input V
S
= ±5 V ±3.8 ±3.8 V
Peak Transient Input V
S
= ±16.5 V ±11 ±11 V
Input Resistance 6.4 8 9.6 6.4 8 9.6 kΩ
Maximum Continuous
Nondestructive Input All Supply Voltages ±12 ±12 V p-p
Input Offset Voltage
4
ac Coupled
J&K Grades 63 63 mV
A&B Grades 63 63 mV
vs. Temperature 8 30 8 30 µV/°C
vs. Supply V
S
= ±5 V to ±16.5 V 50 150 50 150 µV/V
vs. Supply V
S
= ±5 V to ±3 V 80 80 µV/V
OUTPUT CHARACTERISTICS
Output Offset Voltage
J&K Grades ±0.1 60.5 ±0.1 60.3 mV
A&B Grades 60.5 60.3 mV
vs.Temperature 1 20 1 20 µV/°C
vs. Supply V
S
= ±5 V to ±16.5 V 50 130 50 130 µV/V
V
S
= ±5 V to ±3 V 50 50 µV/V
Output Voltage Swing
2 kΩ Load V
S
= +2.8 V, –3.2 V 0 to +1.6 +1.7 0 to +1.6 +1.7 V
2 kΩ Load V
S
= ±5 V 0 to +3.6 +3.8 0 to +3.6 +3.8 V
2 kΩ Load V
S
= ±16.5 V 0 to +4 +5 0 to +4 +5 V
No Load V
S
= ±16.5 V 0 to +4 +12 0 to +4 +12 V
Output Current 2 2 mA
Short-Circuit Current 3 3 mA
Output Resistance @ dc 0.2 0.2 Ω
FREQUENCY RESPONSE
High Impedance Input (Pin 2)
For 1% Additional Error Sine-Wave Input
V
IN
= 1 mV rms 1 1 kHz
V
IN
= 10 mV rms 6 6 kHz
V
IN
= 100 mV rms 37 37 kHz
V
IN
= 200 mV rms 33 33 kHz