English
Language : 

LMH7324_0710 Datasheet, PDF (3/20 Pages) National Semiconductor (TI) – Quad 700 ps High Speed Comparator with RSPECL Outputs
Symbol
Parameter
tPDH
tOD-disp
Propagation Delay
(see Figure 3 application note)
Input SR = Constant
VIN Startvalue = VREF −100 mV
Input Overdrive Dispersion
tSR-disp
tCM-disp
Input Slew Rate Dispersion
Input Common Mode Dispersion
ΔtPDLH
ΔtPDHL
tr
tf
Q to Q Time Skew
| tPDH - tPDL | (Note 8)
Q to Q Time Skew
| tPDL - tPDH | (Note 8)
Output Rise Time (20% - 80%)
(Note 9)
Output Fall Time (20% - 80%
(Note 9)
Conditions
Overdrive 20 mV
Overdrive 50 mV
Overdrive 100 mV
Overdrive 1V
tPDH @ Overdrive 20 mV ↔ 100 mV
tPDH @ Overdrive 100 mV ↔ 1V
0.1 V/ns to 1 V/ns
Overdrive 100 mV
SR = 1 V/ns, Overdrive 100 mV,
0V ≤ VCM ≤ VCCI – 2V
Overdrive = 50 mV, CL = 2 pF
Min
(Note 6)
Typ
(Note 5)
737
720
706
731
31
25
40
28
55
Max
(Note 6)
Overdrive = 50 mV, CL = 2 pF
40
Overdrive = 50 mV, CL = 2 pF
140
Overdrive = 50 mV, CL = 2 pF
140
Units
ps
ps
ps
ps
ps
ps
ps
ps
5V DC Electrical Characteristics
Unless otherwise specified, all limits are guaranteed for TJ = 25°C. VCCI = VCCO = 5V, VEE = 0V, RL = 50Ω to VCCO-2V,
VCM = 300 mV. (Note 7)
Symbol
Parameter
Conditions
Min
Typ
Max
(Note 6) (Note 5) (Note 6)
IB
IOS
TC IOS
VOS
TC VOS
VRI
VRID
CMRR
PSRR
AV
Hyst
Input Bias Current (Note 11)
Input Offset Current
Input Offset Current TC (Note 10)
Input Offset Voltage
Input Offset Voltage TC (Note 10)
Input Voltage Range
Input Differential Voltage Range
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Active Gain
Hysteresis
VIN Differential = 0V
VIN Differential = 0V
VIN Differential = 0V
VCM = 0V
VCM = 0V
CMRR > 50 dB
VEE ≤ INP or INM ≤ VCCI
0V ≤ VCM ≤ VCC−2V
VCM = 0V, 5V ≤ VCC ≤ 12V
Fixed Internal Value
−5
−250
−9.5
VEE
−5
−2.2
30
0.1
7
80
75
54
22.5
+250
+9.5
VCCI−2
+5
Output Characteristics
VOH
Output Voltage High
VOL
Output Voltage Low
VOD
Output Voltage Differential
Power Supplies
VIN Differential = 25 mV
VIN Differential = 25 mV
VIN Differential = 25 mV
3.8
3.87
3.95
3.45
3.52
3.60
300
345
400
IVCCI
VCCI Supply Current
VIN Differential = 25 mV, Load Current
Excluded
5.4
7.5
IVCCO
VCCO Supply Current
VIN Differential = 25 mV, Load Current
Excluded
11
15
Units
µA
nA
nA/°C
mV
μV/°C
V
V
dB
dB
dB
mV
V
V
mV
mA
mA
3
www.national.com