Datasheet
THS7368
SBOS497 –DECEMBER 2009
www.ti.com
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, ED FILTER)
Passband bandwidth –1 dB; V
O
= 0.2 V
PP
and 2 V
PP
11 16 18.5 MHz B
Small- and large-signal bandwidth –3 dB; V
O
= 0.2 V
PP
and 2 V
PP
15 18 21 MHz B
With respect to 500 kHz
(4)
, f = 11 MHz –1 –0.2 1 dB B
Attenuation
With respect to 500 kHz
(4)
, f = 54 MHz 42 54 dB B
Group delay f = 100 kHz 36 ns C
Group delay variation f = 11 MHz with respect to 100 kHz 9 ns C
Channel-to-channel delay 0.3 ns C
Total harmonic distortion f = 5 MHz, V
O
= 1.4 V
PP
–47 dB C
100 kHz to 12 MHz, non-weighted 64.5 dB C
Signal-to-noise ratio
100 kHz to 12 MHz, unified weighting 73.5 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 = 12 MHz 0.7 Ω C
Return loss f = 12 MHz 46 dB C
f = 10 MHz, SF to SD channels –66 dB C
Crosstalk f = 10 MHz, SD to SF channels –66 dB C
f = 10 MHz, SF to SF channels –49 dB C
AC PERFORMANCE (SF CHANNELS, HD FILTER)
Passband bandwidth –1 dB; V
O
= 0.2 V
PP
and 2 V
PP
26 29 33 MHz B
Small- and large-signal bandwidth –3 dB; V
O
= 0.2 V
PP
and 2 V
PP
30 36 40 MHz B
With respect to 500 kHz
(4)
, f = 27 MHz –0.5 0.7 2 dB B
Attenuation
With respect to 500 kHz
(4)
, f = 74 MHz 33 40 dB B
Group delay f = 100 kHz 20 ns C
Group delay variation f = 27 MHz with respect to 100 kHz 7.5 ns C
Channel-to-channel delay 0.3 ns C
Total harmonic distortion f = 10 MHz, V
O
= 1.4 V
PP
–50 dB C
100 kHz to 30 MHz, non-weighted 61.5 dB C
Signal-to-noise ratio
100 kHz to 30 MHz, unified weighting 71.5 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 = 30 MHz 1 Ω C
Return loss f = 30 MHz 43 dB C
f = 25 MHz, SF to SD channels –56 dB C
Crosstalk f = 25 MHz, SD to SF channels –70 dB C
f = 25 MHz, SF to SF channels –40 dB C
(4) 3.3-V supply filter specifications are ensured by 100% testing at 5-V supply along with design and characterization.
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