AD8468 데이터 시트보기 (PDF) - Analog Devices
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AD8468 Datasheet PDF : 12 Pages
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Data Sheet
AD8468
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
VCC = 2.5 V, TA = −40°C to +125°C. Typical values are TA = 25°C, unless otherwise noted.
Table 1.
Parameter
DC INPUT CHARACTERISTICS
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
SHUTDOWN PIN CHARACTERISTICS1
VIH
VIL
IIH
Sleep Time
Wake-Up Time
DC OUTPUT CHARACTERISTICS
Output Voltage High Level
Output Voltage Low Level
AC PERFORMANCE2
Rise Time/Fall Time
Propagation Delay
Propagation Delay Skew—Rising to Falling
Transition
Overdrive Dispersion
Common-Mode Dispersion
POWER SUPPLY
Supply Voltage Range
Positive Supply Current
Power Dissipation
Power Supply Rejection Ratio
Shutdown Current
Symbol Conditions
Min
Typ
Max
Unit
VP, VN
VCC = 2.5 V to 5.5 V
−0.2
VCC = 2.5 V to 5.5 V
−0.2
VCC = 2.5 V to 5.5 V
VOS
−10.0
±3
IP, IN
−0.4
−1.0
CP, CN
1
−0.5 V to VCC + 0.5 V
200
−0.5 V to VCC + 0.5 V
100
AV
80
CMRR
VCC = 2.5 V, VCM = −0.2 V to +2.7 V 45
VCC = 5.5 V
45
VCC + 0.2 V
VCC + 0.2 V
VCC
V
+10.0 mV
+0.4
μA
+1.0
μA
pF
7000
kΩ
4000
kΩ
dB
dB
dB
Comparator is operating
2.0
VCC
V
Shutdown guaranteed
−0.2
+0.4
+0.4
V
VIH = VCC
−6
+6
μA
tSD
lCC < 100 μA
300
ns
tH
VPP = 10 mV, output valid
150
ns
VOH
IOH = 0.8 mA
VOL
IOL = 0.8 mA
VCC − 0.4
V
0.4
V
tR, tF
10% to 90%, VCC = 2.5 V
10% to 90%, VCC = 5.5 V
tPD
VOD = 10 mV, VCC = 2.5 V
VOD = 50 mV, VCC = 5.5 V
VCC = 2.5 V
VCC = 5.5 V
10 mV < VOD < 125 mV
−0.2 V < VCM < VCC + 0.2 V
25 to 50
ns
45 to 75
ns
30 to 50
ns
35 to 60
ns
4.5
ns
8
ns
12
ns
1.5
ns
VCC
IVCC
PD
PSRR
ISD
VCC = 2.5 V
VCC = 5.5 V
VCC = 2.5 V
VCC = 5.5 V
VCC = 2.5 V to 5.5 V
VCC = 2.5 V to 5.5 V
2.5
5.5
V
550
800
μA
800
1300
μA
1.375
2.0
mW
4.95
7.15
mW
−50
dB
250
350
μA
1 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.
2 VIN = 100 mV square input at 1 MHz, VCM = 0 V, CL = 15 pF, VCCI = 2.5 V, unless otherwise noted.
Rev. A | Page 3 of 12
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