ad8468 Analog Devices, Inc., ad8468 Datasheet - Page 3

• Manufacturer Part Number: ad8468
• Description: Rail-to-rail, Fast, Low Power 2.5 V To 5.5 V, Single-supply Ttl/cmos Comparator
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
V
Table 1.
Parameter
DC INPUT CHARACTERISTICS
SHUTDOWN PIN CHARACTERISTICS
DC OUTPUT CHARACTERISTICS
AC PERFORMANCE
1
2
The output is in a high impedance mode when the device is in shutdown mode. Note that this feature should be used with care because the enable/disable time is
much longer than with a true tristate output.
V
CC
IN
Voltage Range
Common-Mode Range
Differential Voltage
Offset Voltage
Bias Current
Offset Current
Capacitance
Resistance, Differential Mode
Resistance, Common Mode
Active Gain
Common-Mode Rejection
V
V
I
Sleep Time
Wake-Up Time
Output Voltage High Level
Output Voltage Low Level
Rise Time/Fall Time
Propagation Delay
Propagation Delay Skew—Rising to Falling Transition
Overdrive Dispersion
Common-Mode Dispersion
POWER SUPPLY
IH
= 100 mV square input at 1 MHz, V
IH
IL
= 2.5 V, T
Supply Voltage Range
Positive Supply Current
Power Dissipation
Power Supply Rejection Ratio
Shutdown Current
A
= −40°C to +125°C. Typical values are T
2
CM
= 0 V, C
1
L
= 15 pF, V
CCI
= 2.5 V, unless otherwise noted.
A
= 25°C, unless otherwise noted.
Symbol
V
V
C
A
t
t
V
V
t
V
PSRR
I
CMRR
t
I
P
I
P
VCC
SD
SD
H
R
PD
P
OS
, I
P
OH
OL
CC
D
Rev. PrA | Page 3 of 12
V
, t
, V
, C
N
F
N
N
Conditions
V
V
V
−0.5 V to V
−0.5 V to V
V
V
Comparator is operating
Shutdown guaranteed
V
l
V
V
I
I
V
10% to 90%, V
10% to 90%, V
V
V
V
V
10 mV < V
−0.2 V < V
V
V
V
V
V
V
CC
OH
OL
CC
CC
CC
CC
CC
IH
PP
CC
CC
OD
OD
CC
CC
CC
CC
CC
CC
CC
CC
< 100 μA
= 0.8 mA, V
= 0.8 mA, V
= V
= 2.5 V, V
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V
= 5.5 V
= 10 mV, output valid
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V
= 2.5 V
= 5.5 V
= 2.5 V
= 5.5 V
= 2.5 V
= 5.5 V
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V
= 10 mV, V
= 50 mV, V
CC
CM
OD
CC
CC
CM
< V
< 125 mV
+ 0.5 V
+ 0.5 V
= −0.2 V to +2.7 V
CC
CC
CC
CC
CC
CC
CC
= 2.5 V
= 2.5 V
= 2.5 V
= 5.5 V
= 2.5 V
= 5.5 V
+ 0.2 V
Min
−0.2
−0.2
−5.0
−0.4
−1.0
200
100
45
−6
V
2.5
45
2.0
−0.2
−50
CC
− 0.4
Typ
±3
1
80
+0.4
300
150
25 to 50
45 to 75
30 to 50
35 to 60
4.5
8
12
1.5
550
800
1.375
4.95
250
Max
V
V
V
+5.0
+0.4
+1.0
7000
4000
V
+0.4
+6
0.4
5.5
800
1300
2.0
7.15
350
AD8468
CC
CC
CC
CC
Unit
V
V
V
mV
μA
μA
pF
kΩ
kΩ
dB
dB
dB
V
V
μA
ns
ns
V
V
ns
ns
ns
ns
ns
ns
ns
ns
V
μA
μA
mW
mW
dB
μA