THS7368_14 Datasheet, PDF (8/41 Pages) Texas Instruments – 6-Channel Video Amplifier with 3-SD and 3-SD/ED/HD/Full-HD Filters and 6-dB Gain

THS7368
SBOS497 – DECEMBER 2009
ELECTRICAL CHARACTERISTICS: V_S+ = +5 V (continued)
At T_A = +25°C, R_L = 150 Ω to GND, Filter mode, and dc-coupled input/output, unless otherwise noted.
THS7368
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
AC PERFORMANCE (SF CHANNELS, ED FILTER)
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 = 11 MHz
With respect to 500 kHz, f = 54 MHz
11
16
18.5
15
18
21
–1
–0.2
1
42
54
Group delay
f = 100 kHz
36
Group delay variation
f = 11 MHz with respect to 100 kHz
9
Channel-to-channel delay
0.3
Total harmonic distortion
f = 5 MHz, V_O = 1.4 V_PP
–49
100 kHz to 12 MHz, non-weighted
64.5
Signal-to-noise ratio
100 kHz to 12 MHz, unified weighting
73.5
Gain
Output impedance
All channels, T_A = +25°C
All channels, T_A = –40°C to +85°C
f = 12 MHz
5.7
6
6.3
5.65
6.35
0.7
Return loss
f = 12 MHz
46
f = 10 MHz, SF to SD channels
–50
Crosstalk
f = 10 MHz, SD to SF channels
–66
f = 10 MHz, SF to SF channels
–50
AC PERFORMANCE (SF CHANNELS, HD FILTER)
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 = 27 MHz
With respect to 500 kHz, f = 74 MHz
26
30
33
30
36
40
–0.5
0.5
2
33
40
Group delay
f = 100 kHz
20
Group delay variation
f = 27MHz with respect to 100 kHz
7.5
Channel-to-channel delay
0.3
Total harmonic distortion
f = 10 MHz, V_O = 1.4 V_PP
–52
100 kHz to 30 MHz, non-weighted
61.5
Signal-to-noise ratio
100 kHz to 30 MHz, unified weighting
71.5
Gain
Output impedance
All channels, T_A = +25°C
All channels, T_A = –40°C to +85°C
f = 30 MHz
5.7
6
6.3
5.65
6.35
1
Return loss
f = 30 MHz
43
f = 25 MHz, SF to SD channels
–55
Crosstalk
f = 25 MHz, SD to SF channels
–70
f = 25 MHz, SF to SF channels
–40
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TEST
UNITS LEVEL⁽¹⁾
MHz
B
MHz
B
dB
A
dB
A
ns
C
ns
C
ns
C
dB
C
dB
C
dB
C
dB
A
dB
B
Ω
C
dB
C
dB
C
dB
C
dB
C
MHz
B
MHz
B
dB
A
dB
A
ns
C
ns
C
ns
C
dB
C
dB
C
dB
C
dB
A
dB
B
Ω
C
dB
C
dB
C
dB
C
dB
C
8
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