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AD8612 数据表(PDF) 2 Page - Analog Devices

部件名 AD8612
功能描述  Ultrafast 4 ns Single Supply Comparators
Download  12 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8612 数据表(HTML) 2 Page - Analog Devices

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–2–
REV. 0
AD8611/AD8612–SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
17
mV
–40
°C ≤ T
A
≤ +85°C8
mV
Offset Voltage Drift
∆VOS/∆T4
µV/°C
Input Bias Current
IB
VCM = 0 V
–6
–4
µA
IB
–40
°C ≤ T
A
≤ +85°C
–7
–4.5
µA
Input Offset Current
IOS
VCM = 0 V
±4
µA
Input Common-Mode Voltage Range
VCM
0.0
3.0
V
Common-Mode Rejection Ratio
CMRR
0 V
≤ V
CM
≤ 3.0 V
55
85
dB
Large Signal Voltage Gain
AVO
RL = 10 k
3,000
V/V
Input Capacitance
CIN
3.0
pF
LATCH ENABLE INPUT
Logic “1” Voltage Threshold
VIH
2.0
1.65
V
Logic “0” Voltage Threshold
VIL
1.60
0.8
V
Logic “1” Current
IIH
VLH = 3.0 V
–1.0
–0.3
µA
Logic “0” Current
IIL
VLL = 0.3 V
–5
–2.7
µA
Latch Enable
Pulsewidth
tPW(E)
3ns
Setup Time
tS
0.5
ns
Hold Time
tH
0.5
ns
DIGITAL OUTPUTS
Logic “1” Voltage
VOH
IOH = 50
µA, ∆VIN > 250 mV
3.0
3.35
V
Logic “1” Voltage
VOH
IOH = 3.2 mA,
∆V
IN > 250 mV
2.4
3.4
V
Logic “0” Voltage
VOL
IOL = 3.2 mA,
∆VIN > 250 mV
0.25
0.4
V
DYNAMIC PERFORMANCE
Input Frequency
fMAX
400 mV p-p sine wave
100
MHz
Propagation Delay
tP
200 mV Step with 100 mV Overdrive
1
4.0
5.5
ns
–40
°C ≤ TA ≤ +85°C5
ns
Propagation Delay
tP
100 mV Step with 5 mV Overdrive
5
ns
Differential Propagation Delay
(Rising Propagation Delay vs.
Falling Propagation Delay)
∆t
P
100 mV Step with 100 mV Overdrive
1
0.5
2.0
ns
Rise Time
20% to 80%
2.5
ns
Fall Time
80% to 20%
1.1
ns
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
4.5 V
≤ V+ ≤ 5.5 V
55
73
dB
V+ Supply Current
2
I+
5.7
10
mA
–40
°C ≤ T
A
≤ +85°C10
mA
Ground Supply Current
2
IGND
VO = 0 V, RL =
3.5
7
mA
–40
°C ≤ TA ≤ +85°C7
mA
V– Supply Current
2
I–
2.2
4
mA
–40
°C ≤ TA ≤ +85°C5
mA
NOTES
1Guaranteed by design.
2Per comparator.
Specifications subject to change without notice.
(@ V+ = 5.0 V, V– = VGND = 0 V, TA = 25 C unless otherwise noted)


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