LMH7322_14 Datasheet, PDF (7/33 Pages) Texas Instruments – Dual 700 ps High Speed Comparator with RSPECL Outputs

LMH7322
www.ti.com
SNOSAU8H – MARCH 2007 – REVISED MAY 2011
2.7V AC Electrical Characteristics (continued)
Unless otherwise specified, all limits are specified for T_J = 25°C, V_CCI = V_CCO = 2.7V, V_EE = 0V, R_L = 50Ω to V_CCO-2V, V_CM =
300 mV, R_HYS = none. Boldface limits apply at temperature extremes.
Symbol
Parameter
Conditions
Min
(1)
Typ
(2)
Max
(1)
Units
t_{jitter_RMS}
t_PDH
t_OD-disp
t_SR-disp
t_CM-disp
Δt_PDLH
Δt_PDHL
t_r
t_f
t_sLE
t_hLE
t_{PD_LE}
RMS Random Jitter
Propagation Delay.
(see Figure 19 application note)
Input SR = Constant
V_IN startvalue = V_REF – 100 mV
Input Overdrive Dispersion
Input Slew Rate Dispersion
Input Common Mode Dispersion
Q to Q Time Skew |t_PDH – t_PDL|
Q to Q Time Skew |t_PDL – t_PDH|
Output Rise Time (20%–80%)
Output Fall Time (20%–80%)
Latch Setup Time
Latch Hold Time
Latch to Output Delay Time
Overdrive = ±50 mV; C_L = 2 pF
Center Frequency = 140 MHz
Bandwidth = 10 Hz–20 MHz
Overdrive 20 mV
Overdrive 50 mV
Overdrive 100 mV
Overdrive 1V
t_PDH @ Overdrive 20 mV ↔ 100 mV
t_PDH @ Overdrive 100 mV ↔ 1V
0.1 V/ns to 1 V/ns; Overdrive = 100 mV
SR = 1 V/ns; Overdrive = 100 mV;
0V ≤ V_CM ≤ V_CCI- 1.5V
Overdrive = 100 mV; C_L = 2 pF
Overdrive = 100 mV; C_L = 2 pF
Overdrive = 100 mV; C_L = 2 pF
Overdrive = 100 mV; C_L = 2 pF
551
fs
783
ps
728
713
ps
718
70
ps
5
54
ps
12
ps
35
ps
53
ps
165
ps
165
ps
102
ps
37
ps
906
ps
Connection Diagrams
Q
IN+
1/2
IN-
LMH7322
RHYS
Q
Figure 2. Schematic
24
23
22
21
20
19
VCCOA 1
18 VCCOB
LEA 2
17 LEB
LEA 3
VEEA 4
LMH7322
24-pin LLP
16 LEB
15 VEEB
VCCIA 5
14 VCCIB
RHYSA 6
13 RHYSB
7
8
9
10
11
12
Figure 3. Footprint
Copyright © 2007–2011, Texas Instruments Incorporated
Product Folder Links: LMH7322
Submit Documentation Feedback
7