Datasheet
REV. D
–2–
AD790–SPECIFICATIONS
DUAL SUPPLY
AD790J/A AD790K/B AD790S
Parameter Conditions Min Typ Max Min Typ Max Min Typ Max Unit
RESPONSE CHARACTERISTIC 100 mV Step
Propagation Delay, t
PD
5 mV Overdrive 40 45 40 45 40 45 ns
T
MIN
to T
MAX
45/50 45/50 60 ns
OUTPUT CHARACTERISTICS
Output HIGH Voltage, V
OH
1.6 mA Source 4.65 4.65 4.65
6.4 mA Source 4.3 4.45 4.3 4.45 4.3 4.45 V
T
MIN
to T
MAX
4.3/4.3 4.3 4.3 V
Output LOW Voltage, V
OL
1.6 mA Sink 0.35 0.35 0.35 V
6.4 mA Sink 0.44 0.5 0.44 0.5 0.44 0.5 V
T
MIN
to T
MAX
0.5/0.5 0.5 0.5 V
INPUT CHARACTERISTICS
Offset Voltage
1
0.2 1.0 0.05 0.25 0.2 1.0 mV
T
MIN
to T
MAX
1.5 0.5 1.5 mV
Hysteresis
2
T
MIN
to T
MAX
0.3 0.4 0.6 0.3 0.4 0.5 0.3 0.4 0.65 mV
Bias Current Either Input 2.5 5 1.8 3.5 2.5 5 µA
T
MIN
to T
MAX
6.5 4.5 7 µA
Offset Current 0.04 0.25 0.02 0.15 0.04 0.25 µA
T
MIN
to T
MAX
0.3 0.2 0.4 µA
Power Supply
Rejection Ratio DC V
S
± 20% 80 90 88 100 80 90 dB
T
MIN
to T
MAX
76 88 85 93 76 85 dB
Input Voltage Range
Differential Voltage V
S
≤± 15 V ⴞV
S
ⴞV
S
ⴞV
S
V
Common Mode –V
S
+V
S
–2 V –V
S
+V
S
–2 V –V
S
+V
S
–2 V V
Common Mode
Rejection Ratio –10 V<V
CM
80 95 88 105 80 95 dB
<+10 V
T
MIN
to T
MAX
76 90 85 100 76 88 dB
Input Impedance 20储220储220储2MΩ储pF
LATCH CHARACTERISTICS
Latch Hold Time, t
H
25 35 25 35 25 35 ns
Latch Setup Time, t
S
510 510 510 ns
LOW Input Level, V
IL
T
MIN
to T
MAX
0.8 0.8 0.8 V
HIGH Input Level, V
IH
T
MIN
to T
MA X
1.6 1.6 1.6 V
Latch Input Current 2.3 5 2.3 3.5 2.3 5 µA
T
MIN
to T
MAX
7 58µA
SUPPLY CHARACTERISTICS
Diff Supply Voltage
3
V
LOGIC
= 5 V
T
MIN
to T
MAX
4.5 33 4.5 33 4.7 33 V
Logic Supply T
MIN
to T
MAX
4.0 7 4.0 7 4.2 7 V
Quiescent Current
+V
S
+V
S
= 15 V 8 10 8 10 8 10 mA
–V
S
–V
S
= –15 V 4 5 4 5 4 5 mA
V
LOGIC
V
LOGIC
= 5 V 2 3.3 2 3.3 2 3.3 mA
Power Dissipation 242 242 242 mW
TEMPERATURE RANGE
Rated Performance T
MIN
to T
MAX
0 to 70/–40 to +85 0 to 70/–40 to +85 –55 to +125 °C
NOTES
1
Defined as the average of the input voltages at the low to high and high to low transition points. Refer to Figure 6.
2
Defined as half the magnitude between the input voltages at the low to high and high to low transition points. Refer to Figure 6.
3
+V
S
must be no lower than (V
LOGIC
–0.5 V) in any supply operating conditions, except during power up.
All min and max specifications are guaranteed. Specifications shown in boldface are tested on all production units at final test.
Specifications subject to change without notice.
(Operation @ 25ⴗC and +V
S
= 15 V, –V
S
= –15 V, V
LOGIC
= 5 V unless otherwise noted.)