NE521 查看數據表（PDF） - Philips Electronics
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NE521 Datasheet PDF : 8 Pages
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Philips Semiconductors
High-speed dual-differential comparator/sense amp
Product data
NE521
DC ELECTRICAL CHARACTERISTICS
V+ = +5 V; V– = –5 V, Tamb = 0 °C to +70 °C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
VOS
IBIAS
IOS
VCM
IIH
Input offset voltage
At 25 °C
Over temperature range
Input bias current
At 25 °C
Over temperature range
Input offset current
At 25 °C
Over temperature range
Common-mode voltage range
Input current
High
Input Current
IIL
Low
Output voltage
VOH
VOL
High
Low
Supply voltage
V+
Positive
V–
Negative
Supply current
ICC+
ICC–
ISC
Positive
Negative
Short-circuit output current
V+ = +4.75 V; V– = –4.75 V
V+ = +5.25 V, V– = –5.25 V
V+ = +5.25 V, V– = –5.25 V
V+ = +4.75 V, V– = –4.75 V
V+ = +5.25 V, V– = –5.25 V
VIH = 2.7 V
1G or 2G strobe
Common strobe S
VIL = 0.5 V
1G or 2G strobe
Common strobe S
VI(S) = 2.0 V
V+ = +4.75 V; V– = –4.75 V; ILOAD = –1 mA
V+ = +5.25 V; V– = –5.25 V; ILOAD = 20 mA
V+ = 5.25 V; V– = –5.25 V; Tamb = 25 °C
LIMITS
Min Typ Max
UNIT
6
7.5
mV
10
mV
7.5
20
µA
40
µA
1.0
5
µA
12
µA
–3
+3
V
50
µA
100
µA
–2.0
mA
–4.0
mA
2.7
3.4
V
0.5
V
4.75 5.0 5.25
V
–4.75 –5.0 –5.25
V
27
35
mA
–15 –28
-40
–100 mA
AC ELECTRICAL CHARACTERISTICS
Tamb = 25 °C; RL = 280Ω ; CL=15 pF; V+ = 5 V; V– = 5 V
SYMBOL
PARAMETER
FROM INPUT
TO OUTPUT
Min
Large-signal switching speed
Propagation delay
tPLH(D)
tPHL(D)
tPLH(S)
tPHL(S)
Low to high1
High to low1
Low to high2
High to low2
Amp
Amp
Strobe
Strobe
Output
Output
Output
Output
fMAX
Max. operating frequency
40
NOTES:
1. Response time measured from 0 V point of ±100 mVP-P 10 MHz square wave to the 1.5 V point of the output.
2. Response time measured from 1.5 V point of input to 1.5 V point of the output.
LIMITS
Typ Max
8
12
6
9
4.5
10
3.0
6
55
UNIT
ns
MHz
2001 Aug 03
4
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