MAX912 데이터 시트보기 (PDF) - Maxim Integrated
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MAX912 Datasheet PDF : 8 Pages
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Single/Dual, Ultra-Fast, Low-Power,
Precision TTL Comparators
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +5V, V- = -5V, VQ = 1.4V, VLE = 0V, TA = TMIN to TMAX, unless otherwise noted).
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Propagation Delay (Note 2)
tPD+, tPD-
∆VIN = 100mV,
VOD = 5mV
∆VIN = 100mV,
VOD = 20mV
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
10
14
16
ns
9
12
15
Differential Propagation Delay
(Note 2)
∆tPD
∆VIN = 100mV,
VOD = 5mV
TA =
+25°C
MAX913
MAX912
2
3
ns
3
5
Channel-to-Channel
Propagation Delay
(Note 2)
∆VIN = 100mV,
VOD = 5mV
(MAX912 only)
TA = +25°C
500
ps
Latch Setup Time (Note 3)
tSU
2
0
ns
Latch Hold Time (Note 3)
tH
3
2
ns
Latch Propagation Delay (Note 4)
tLPD
7
ns
Note 1: Input Offset Voltage (VOS) is defined as the average of the two input offset voltages, measured by forcing first one output,
then the other to 1.4V. Input Offset Current (IOS) is defined the same way.
Note 2: Propagation Delay (tPD) and Differential Propagation Delay (∆tPD) cannot be measured in automatic handling equipment
with low input overdrive values. The MAX912/MAX913 are sample tested to 0.1% AQL with a 1V step and 500mV overdrive
at +25°C only. Correlation tests show that tPD and ∆tPD can be guaranteed with this test, if additional DC tests are per-
formed to guarantee that all internal bias conditions are correct. For low overdrive conditions, VOS is added to the over-
drive. Differential Propagation Delay is defined as: ∆tPD = tPD+ – tPD-.
Note 3: Input latch setup time (tSU) is the interval in which the input signal must be stable prior to asserting the latch signal.
The hold time (tH) is the interval after the latch is asserted in which the input signal must be stable. These parameters are
guaranteed by design.
Note 4: Latch Propagation Delay (tLPD) is the delay time for the output to respond when the latch-enable pin is deasserted.
See Timing Diagram.
__________________________________________Typical Operating Characteristics
(V+ = 5V, V- = -5V, VLE = 0V, CL = 15pF, TA = +25°C, unless otherwise noted.)
PROPAGATION DELAY
vs. INPUT OVERDRIVE
10
VOD = 10mV
9
tPD(-)
8
7
tPD(+)
6
5
1
10
100
INPUT OVERDRIVE (mV)
PROPAGATION DELAY
vs. SOURCE RESISTANCE
50
VOD = 10mV
40
30
20
10
0
1
tPD(-)
tPD(+)
10
100
1000
SOURCE RESISTANCE (Ω)
10,000
PROPAGATION DELAY
vs. LOAD CAPACITANCE
11
VOD = 10mV
10
tPD(-)
9
8
tPD(+)
7
6
10
20
30
40
50
LOAD CAPACITANCE (pF)
_______________________________________________________________________________________ 3
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