Datasheet
THS7368
www.ti.com
SBOS497 –DECEMBER 2009
ELECTRICAL CHARACTERISTICS: V
S+
= +3.3 V (continued)
At T
A
= +25°C, R
L
= 150 Ω to GND, Filter mode, and dc-coupled input/output, unless otherwise noted.
THS7368
TEST
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS LEVEL
(1)
AC PERFORMANCE (SF CHANNELS, FULL-HD/TRUE-HD FILTER)
Passband bandwidth –1 dB; V
O
= 0.2 V
PP
and 2 V
PP
53 58 66 MHz B
Small- and large-signal bandwidth –3 dB; V
O
= 0.2 V
PP
and 2 V
PP
60 72 83 MHz B
With respect to 500 kHz
(5)
, f = 54 MHz –0.5 0.7 2 dB B
Attenuation
With respect to 500 kHz
(5)
, f = 148 MHz 33 40 dB B
Group delay f = 100 kHz 11.5 ns C
Group delay variation f = 54 MHz with respect to 100 kHz 4 ns C
Channel-to-channel delay 0.3 ns C
Total harmonic distortion f = 20 MHz, V
O
= 1.4 V
PP
–57 dB C
100 kHz to 60 MHz, non-weighted 60 dB C
Signal-to-noise ratio
Unified weighting 70 dB C
All channels, T
A
= +25°C 5.7 6 6.3 dB A
Gain
All channels, T
A
= –40°C to +85°C 5.65 6.35 dB B
Output impedance f = 60 MHz 1.5 Ω C
Return loss f = 60 MHz 40 dB C
f = 50 MHz, SF to SD channels –63 dB C
Crosstalk f = 50 MHz, SD to SF channels –68 dB C
f = 50 MHz, SF to SF channels –50 dB C
AC PERFORMANCE (SF CHANNELS, BYPASS)
Passband bandwidth –1 dB; V
O
= 0.2 V
PP
190 275 MHz B
Small-signal bandwidth –3 dB; V
O
= 0.2 V
PP
260 350 MHz B
Slew rate V
O
= 0.2 V
PP
450 600 V/µs B
Group delay f = 100 kHz 2.4 ns C
Channel-to-channel delay 0.3 ns C
Total harmonic distortion f = 20 MHz, V
O
= 1.4 V
PP
–67 dB C
100 kHz to 100 MHz, non-weighted 60 dB C
Signal-to-noise ratio
100 kHz to 100 MHz, unified weighting 70 dB C
All channels, T
A
= +25°C 5.7 6 6.3 dB B
Gain
All channels, T
A
= –40°C to +85°C 5.65 6.35 dB B
f = 100 MHz 3 Ω C
Output impedance
Disabled 2 || 3 kΩ || pF C
Return loss f = 100 MHz 34 dB C
f = 50 MHz, SF to SD channels –50 dB C
Crosstalk f = 50 MHz, SD to SF channels –66 dB C
f = 50 MHz, SF to SF channels –50 dB C
(5) 3.3-V supply filter specifications are ensured by 100% testing at 5-V supply along with design and characterization.
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