THS7376_14 Datasheet, PDF (4/62 Pages) Texas Instruments – 4-Channel Video Amplifier with One SD and Three HD 8th-Order Filters with 6-dB Gain

THS7376
SBOS692 – JUNE 2013
www.ti.com
ELECTRICAL CHARACTERISTICS: V_S+ = +3.3 V (continued)
At T_A = +25°C, R_L = 150 Ω to GND, C_LOAD = 5 pF, filter mode, and dc-coupled input and output, unless otherwise noted.
See Figure 123 and Figure 124.
PARAMETER
TEST CONDITIONS
TEST
LEVEL
MIN
TYP
MAX UNITS
(1)
AC PERFORMANCE: HD CHANNELS
Passband bandwidth
Small- and large-signal
bandwidth
–1 dB, V_O = 0.2 V_PP and 2 V_PP
–3 dB, V_O = 0.2 V_PP and 2 V_PP
32
39
46.5 MHz
B
35.5
42
49.5 MHz
B
HD bypass mode bandwidth –3 dB, V_O = 0.2 V_PP
SR
Slew rate
HD bypass mode
Attenuation
With respect to 500 kHz⁽⁴⁾, f = 30 MHz
With respect to 500 kHz⁽⁴⁾, f = 74 MHz
200
300
MHz
B
300
375
V/µs
B
–1
–0.2
0.9 dB
B
26
40
dB
B
Group delay
f = 100 kHz
23
ns
C
Group delay variation
f = 27 MHz with respect to 100 kHz
5.5
ns
C
Channel-to-channel delay
0.3
ns
C
THD
SNR
Total harmonic distortion
Signal-to-noise ratio
f = 10 MHz, V_O = 1.4 V_PP
f = 30 MHz, V_O = 1.4 V_PP
100 kHz to 30 MHz, non-weighted
100 kHz to 30 MHz, unified weighting
–57
dB
C
–60
dB
C
63
dB
C
73
dB
C
G
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 dB
A
5.65
6.35 dB
B
1.3
Ω
C
Output impedance
f = 30 MHz, HD bypass mode
1.4
Ω
C
Return loss⁽⁵⁾
Disabled
f = 30 MHz, filter mode
1.8 || 3
41
kΩ || pF
C
dB
C
Crosstalk
f = 1 MHz, HD channels to SD channel
f = 1 MHz, HD to HD channels
–85
dB
C
–85
dB
C
DC PERFORMANCE
V_O(Bias)
V_I
Biased output voltage
Input voltage range
V_IN = 0 V, SD channel
V_IN = 0 V, HD channels
DC linear input, limited by output
Sync-tip clamp charge current ^{VIN = –0.1 V, SD channel}
V_IN = –0.1 V, HD channels
Input impedance
100
210
100
210
–0.05 / 1.5
140
200
260
360
800 || 2
300 mV
A
300 mV
A
V
C
μA
A
μA
A
kΩ || pF
C
(4) 3.3-V supply filter specifications are ensured by 100% testing at a 5-V supply with design and characterization.
(5) Return loss is calculated assuming an ideal 75-Ω external series resistor along with the THS7376 channel output impedance into an
ideal 75-Ω end-termination resistance.
4
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