LMH7324_14 Datasheet, PDF (5/30 Pages) Texas Instruments – Quad 700 ps High Speed Comparator with RSPECL Outputs

LMH7324
www.ti.com
SNOSAZ2F – SEPTEMBER 2007 – REVISED JULY 2010
5V AC Electrical Characteristics (continued)
Unless otherwise specified, all limits are ensured for T_J = 25°C. V_CCI = V_CCO = 5V, V_EE = 0V, R_L = 50Ω to V_CCO-2V, V_CM = 300
mV. ⁽¹⁾
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(2)
(3)
(2)
t_PDH
Propagation Delay
Overdrive 20 mV
(see Figure 15 application note)
Overdrive 50 mV
Input SR = Constant
V_IN Startvalue = V_REF −100 mV
Overdrive 100 mV
Overdrive 1V
740
731
ps
722
740
t_OD-disp
Input Overdrive Dispersion
T_PDH @ Overdrive 20 mV ↔ 100 mV
18
ps
T_PDH @ Overdrive 100 mV ↔ 1V
19
t_SR-disp
Input Slew Rate Dispersion
0.1 V/ns to 1 V/ns,
Overdrive = 100 mV
40
ps
t_CM-disp
Input Common Mode Dispersion
Δt_PDLH-disp
Δt_PDHL
t_r
Q to Q Time Skew
| t_PDH - t_PDL | ⁽⁴⁾
Q to Q Time Skew
| t_PDL - t_PDH | ⁽⁴⁾
Output Rise Time (20% - 80%)
(5)
SR = 1 V/ns, Overdrive 100 mV,
0V ≤ V_CM ≤ V_CCI – 2V
Overdrive = 50 mV, C_L = 2 pF
Overdrive = 50 mV, C_L = 2 pF
Overdrive = 50 mV, C_L = 2 pF
24
ps
60
ps
40
ps
145
ps
t_f
Output Fall Time (20% - 80%)
Overdrive = 50 mV, C_L = 2 pF
(5)
145
ps
(4) Propagation Delay Skew, Δt_PD, is defined as the average of Δt_PDLH and Δt_PDHL.
(5) The rise or fall time is the average of the Q and Q rise or fall time.
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