THS7373_10 Datasheet, PDF (5/50 Pages) Texas Instruments – 4-Channel Video Amplifier with 1-SD and 3-HD Sixth-Order Filters and 6-dB Gain

THS7373
www.ti.com
SBOS506 – DECEMBER 2009
ELECTRICAL CHARACTERISTICS: V_S+ = +5 V
At T_A = +25°C, R_L = 150 Ω to GND, Filter mode, and dc-coupled input/output, unless otherwise noted.
THS7373
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
AC PERFORMANCE (CVBS CHANNEL)
Passband bandwidth
Small- and large-signal bandwidth
Attenuation
–1 dB; V_O = 0.2 V_PP and 2 V_PP
–3 dB; V_O = 0.2 V_PP and 2 V_PP
With respect to 500 kHz, f = 6.75 MHz
With respect to 500 kHz, f = 27 MHz
7
7.8
–0.9
42
8.2
10.2
9.5
11.4
0.2
1.1
54
Group delay
f = 100 kHz
70
Group delay variation
f = 5.1 MHz with respect to 100 kHz
9
Differential gain
NTSC/PAL
0.15/0.25
Differential phase
NTSC/PAL
0.25/0.4
Total harmonic distortion
f = 1 MHz, V_O = 1.4 V_PP
–73
100 kHz to 6 MHz, non-weighted
70
Signal-to-noise ratio
100 kHz to 6 MHz, unified weighting
78
Gain
Output impedance
T_A = +25°C
T_A = –40°C to +85°C
f = 6.75 MHz
Disabled
5.7
6
6.3
5.65
6.35
0.8
20 || 3
Return loss
f = 6.75 MHz
45
Crosstalk
f = 1 MHz, CVBS channel to HD channels
–86
AC PERFORMANCE (HD CHANNELS)
Passband bandwidth
Small- and large-signal bandwidth
Bypass mode bandwidth
Slew rate
Attenuation
–1 dB; V_O = 0.2 V_PP and 2 V_PP
–3 dB; V_O = 0.2 V_PP and 2 V_PP
–3 dB; V_O = 0.2 V_PP
Bypass mode; V_O = 2 V_PP
With respect to 500 kHz, f = 27 MHz
With respect to 500 kHz, f = 74 MHz
27.8
33
38.8
30.3
36
42.5
170
375
400
450
–1
–0.1
1
34
40
Group delay
f = 100 kHz
20
Group delay variation
f = 27MHz with respect to 100 kHz
6
Channel-to-channel delay
0.3
Differential gain
NTSC/PAL
0.1/0.1
Differential phase
NTSC/PAL
0.15/0.2
Total harmonic distortion
f = 10 MHz, V_O = 1.4 V_PP
–55
100 kHz to 30 MHz, non-weighted
62.5
Signal-to-noise ratio
unified weighting
72
Gain
All channels, T_A = +25°C
All channels, T_A = –40°C to +85°C
f = 30 MHz, Filter mode
5.7
6
6.3
5.65
6.35
1.4
Output impedance
f = 30 MHz, Bypass mode
1
Disabled
1.8 || 3
TEST
UNITS LEVEL⁽¹⁾
MHz
B
MHz
B
dB
A
dB
A
ns
C
ns
C
%
C
Degrees
C
dB
C
dB
C
dB
C
dB
A
dB
B
Ω
C
kΩ || pF
C
dB
C
dB
C
MHz
B
MHz
B
MHz
B
V/μs
B
dB
A
dB
A
ns
C
ns
C
ns
C
%
C
Degrees
C
dB
C
dB
C
dB
C
dB
A
dB
B
Ω
C
Ω
C
kΩ || pF
C
(1) Test levels: (A) 100% tested at +25°C. Over temperature limits set by characterization and simulation. (B) Limits set by characterization
and simulation only. (C) Typical value only for information.
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): THS7373
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