AD790BQ Analog Devices, AD790BQ Datasheet - Page 3

• Manufacturer Part Number: AD790BQ
• Description: Fast/ Precision Comparator
• Manufacturer: Analog Devices

REV. B
SINGLE SUPPLY
Parameter
RESPONSE CHARACTERISTIC
OUTPUT CHARACTERISTICS
INPUT CHARACTERISTICS
LATCH CHARACTERISTICS
SUPPLY CHARACTERISTICS
TEMPERATURE RANGE
NOTES
1
2
3
4
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.
Pin 1 tied to Pin 8, and Pin 4 tied to Pin 6.
Defined as the average of the input voltages at the low to high and high to low transition points. Refer to Figure 14.
Defined as half the magnitude between the input voltages at the low to high and high to low transition points. Refer to Figure 14.
–V
Propagation Delay, t
Output HIGH Voltage, V
Output LOW Voltage, V
Offset Voltage
Hysteresis
Bias Current
Offset Current
Power Supply
Input Voltage Range
Input Impedance
Latch Hold Time, t
Latch Setup Time, t
LOW Input Level, V
HIGH Input Level, V
Latch Input Current
Supply Voltage
Quiescent Current
Power Dissipation
Rated Performance
S
must not be connected above ground.
Rejection Ratio DC
Differential Voltage
Common Mode
3
2
4
H
S
PD
IL
IH
OL
(Operation @ +25 C and +V
OH
Conditions
100 mV Step
5 mV Overdrive
T
1.6 mA Source
6.4 mA Source
T
1.6 mA Sink
6.4 mA Sink
T
T
T
Either Input
T
T
4.5 V V
T
T
T
T
T
T
MIN
MIN
MIN
MIN
MIN
MIN
MIN
MIN
MIN
MIN
MIN
MIN
MIN
to T
to T
to T
to T
to T
to T
to T
to T
to T
to T
to T
to T
to T
S
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
5.5 V
S
= V
Min
4.3
4.3
0.3
80
76/76 88
0
1.6
4.5
0 to +70/–40 to +85
LOGIC
AD790J/A
= +5 V, –V
Typ
45
4.65
4.45
0.35
0.44
0.45
0.5
2.7
0.04
90
20 2
25
5
2.3
10
–3–
Max
50
50/60
0.5
0.5
1.5
2.0
0.75
5
7
0.25
0.3
+V
35
10
0.8
5
7
7
12
60
V
S
S
S
–2 V
= 0 V unless otherwise noted)
Min
4.3
4.3
0.3
86
82
0
1.6
4.5
0 to +70/–40 to +85
AD790K/B
Typ
45
4.65
4.45
0.35
0.44
0.35
0.5
2.0
0.02
100
93
20 2
25
5
2.3
10
Max
50
50/60
0.5
0.5
0.6
0.85
0.65
3.5
5
0.15
0.2
+V
35
10
0.8
3.5
5
7
12
60
V
S
S
–2 V 0
1
Min Typ
4.3
4.3
0.3
80
76
1.6
4.7
AD790S
45
4.65
4.45
0.35
0.44
0.45
0.7
2.7
0.04
90
85
20 2
25
5
2.3
10
–55 to +125
Max
50
65
0.5
0.5
1.5
2.0
1.0
5
8
0.25
0.4
+V
35
10
0.8
5
8
7
12
60
V
S
S
–2 V V
AD790
Units
ns
ns
V
V
V
V
V
mV
mV
mV
dB
dB
V
M
ns
ns
V
V
V
mA
mW
C
A
A
A
A
A
A
pF