Datasheet

REV. B
–2–
AD746–SPECIFICATIONS
(@ +258C and 615 V dc, unless otherwise noted)
AD746J/A AD746B AD746S
Model Conditions Min Typ Max Min Typ Max Min Typ Max Units
INPUT OFFSET VOLTAGE
1
Initial Offset 0.3 1.5 0.25 0.5 0.3 1.0 mV
Offset T
MIN
to T
MAX
2.0 0.7 1.5 mV
vs. Temperature 12 20 5 10 12 20 µV/°C
vs. Supply
2
(PSRR) 80 95 84 100 80 95 dB
vs. Supply (PSRR) T
MIN
to T
MAX
80 84 80 dB
Long Term Stability 15 15 15 µV/month
INPUT BIAS CURRENT
3
Either Input V
CM
= 0 V 110 250 110 150 110 250 pA
Either Input @ T
MAX
V
CM
= 0 V 2.5/7 5.7/16 7 9.6 113 256 nA
Either Input V
CM
= +10 V 145 350 145 200 145 350 pA
Offset Current V
CM
= 0 V 45 125 45 75 45 125 pA
Offset Current @ T
MAX
V
CM
= 0 V 1.0/3 2.8/8 3 4.8 45 128 nA
MATCHING CHARACTERISTICS
Input Offset Voltage 0.6 1.5 0.3 0.5 0.6 1.0 mV
Input Offset Voltage T
MIN
to T
MAX
2.0 0.7 1.5 mV
Input Offset Voltage Drift 20 20 20 µV/°C
Input Bias Current 125 75 125 pA
Crosstalk @ 1 kHz 120 120 120 dB
@ 100 kHz 90 90 90 dB
FREQUENCY RESPONSE
Gain BW, Small Signal G = –1 8 13 9 13 8 13 MHz
Slew Rate, Unity Gain G = –1 45 75 50 75 45 75 V/µs
Full Power Response V
O
= 20 V p-p 600 600 600 kHz
Settling Time to 0.01%
4
G = 1 0.5 0.75 0.5 0.75 0.5 0.75 µs
Total Harmonic f = 1 kHz
Distortion R1 ≥ 2 kΩ
V
O
= 3 V rms 0.0001 0.0001 0.0001 %
INPUT IMPEDANCE
Differential 2.5 × l0
1l
i5.5 2.5 × l0
1l
i5.5 2.5 × l0
1l
i5.5 ΩipF
Common Mode 2.5 × l0
1l
i5.5 2.5 × l0
1l
i5.5 2.5 × l0
1l
i5.5 ΩipF
INPUT VOLTAGE RANGE
Differential
5
±20 ±20 ±20 V
Common-Mode Voltage +14.5, –11.5 +14.5, –11.5 +14.5, –11.5 V
Over Max Operating Range
6
–11 +13 –11 +13 –11 +13 V
Common-Mode Rejection Ratio V
CM
= ±10 V 78 88 82 88 78 88 dB
T
MIN
to T
MAX
76 84 80 84 76 84 dB
V
CM
= ±11 V 72 84 78 84 72 84 dB
T
MIN
to T
MAX
70 80 74 80 70 80 dB
INPUT VOLTAGE NOISE 0.1 to 10 Hz 2 2 2 µV p-p
f = 10 Hz 45 45 45 nV/ÏHz
f = 100 Hz 22 22 22 nV/ÏHz
f = 1 kHz 18 18 18 nV/ÏHz
f = 10 kHz 16 16 16 nV/ÏHz
INPUT CURRENT NOISE f = 1 kHz 0.01 0.01 0.01 pA/ÏHz
OPEN LOOP GAIN V
O
= ±10 V
R1 ≥ 2 kΩ 150 300 175 300 150 300 V/mV
T
MIN
to T
MAX
75 200 75 200 65 175 V/mV
OUTPUT CHARACTERISTICS
Voltage R1 ≥ 2 kΩ +13, –12.5 +13.9, –13.3 +13, –12.5 +13.9, –13.3 +13, –12.5 +13.9, –13.3 V
T
MIN
to T
MAX
±12 +13.8, –13.1 612 +13.8, –13.1 612 +13.8, –13.1 V
Current Short Circuit 25 25 25 mA
Max Capacitive Load Gain = –1 50 50 50 pF
Driving Capability Gain = –10 500 500 500 pF
POWER SUPPLY
Rated Performance ±15 ±15 ±15 V
Operating Range 64.5 618 64.5 618 64.5 618 V
Quiescent Current 7 10 7 8.0 7 10 mA
TEMPERATURE RANGE
Rated Performance 0 to +70/–40 to +85 –40 to +85 –55 to +125 °C
PACKAGE OPTIONS
8-Pin Plastic Mini-DIP (N-8) AD746JN
8-Pin Cerdip (Q-8) AD746AQ AD746BQ AD746SQ
8-Pin Surface Mount (R-8) AD746JR
Tape and Reel AD746JR-REEL
Chips AD746SCHIPS
TRANSISTOR COUNT 54 54 54