THS7374 Datasheet, PDF (5/37 Pages) Texas Instruments – 4-Channel SDTV Video Amplifier with 6th-Order Filters and 6-dB Gain

THS7374
www.ti.com....................................................................................................................................................................................................... SLOS590 – JULY 2008
ELECTRICAL CHARACTERISTICS V_S+ = +5 V
R_L = 150 Ω to GND and dc-coupled input and output, Giler Mode, unless otherwise noted.
THS7374
PARAMETER
TEST CONDITIONS
TYP
+25°C
OVER TEMPERATURE
MIN/
0°C to –40°C to TYP/
+25°C
+70°C
+85°C MAX UNITS
AC PERFORMANCE
Small-signal bandwidth (–3 dB)
V_O = 0.2 V_PP(1)
9.5
7.6/11.4
7.4/11.6
7.3/11.7
Min/
Max
MHz
Large-signal bandwidth (–3 dB)
V_O = 2 V_PP ⁽¹⁾
9.5
7.6/11.4
7.4/11.6
7.3/11.7
Min/
Max
MHz
–1 dB passband bandwidth
8.2
Typ MHz
Bypass mode bandwidth (–3 dB)
Slew rate
Attenuation
with respect to 500 kHz
V_O = 0.2 V_PP
Bypass mode
f = 6.75 MHz
f = 27 MHz
150
Typ MHz
130
Typ V/µs
0.25
–0.9/1.1
–1/1.4
–1.1/1.6
Min/
Max
dB
54
42
40
39
Min dB
Group delay
f = 100 kHz
70
Typ ns
Group delay variation
with respect to 100 kHz
f = 5.1 MHz
8.5
Typ ns
Channel-to-channel delay
0.3
Typ ns
Differential gain (NTSC/PAL)
NTSC/PAL
0.1/0.25
TYP %
Differential phase (NTSC/PAL)
NTSC/PAL
0.3/0.4
Typ
°
Total harmonic distortion
Signal-to-noise ratio
f = 1 MHz; V_O = 2 V_PP
100 kHz to 6 MHz: non-weighted/
unified weighting
–69
70/78
Typ dB
Typ dB
Channel-to-channel crosstalk
f = 1 MHz
–66
Typ dB
AC gain—all channels
Output impedance
f = 5 MHz; filter mode
6
5.7/6.3
5.65/6.35
5.65/6.35
Min/
Max
dB
0.7
Typ
Ω
DC PERFORMANCE
Biased output voltage/level shift
V_IN = 0 V
310
210/390
200/400
190/410
Min/
Max
mV
Input voltage range
Sync tip clamp charge current
Input resistance
Limited by output
V_IN = –0.1 V
–0.1/2.3
Typ
V
200
140
130
120 Min µA
800
Typ kΩ
Input capacitance
2
Typ pF
OUTPUT CHARACTERISTICS
High output voltage swing
Low output voltage swing
Output current (sourcing)
Output current (sinking)
R_L = 150 Ω to +2.5V
R_L = 150 Ω to GND
R_L = 75 Ω to +2.5V
R_L = 75 Ω to GND
R_L = 150 Ω to +2.5V (V_IN = –0.2 V)
R_L = 150 Ω to GND (V_IN = –0.2 V)
R_L = 75 Ω to +2.5 V (V_IN = –0.2 V)
R_L = 75 Ω to GND (V_IN = –0.2 V)
R_L = 10 Ω to +2.5 V
R_L = 10 Ω to +2.5 V
4.85
4.75
4.7
4.5
0.05
0.03
0.1
0.05
90
85
4.4
0.12
4.3
0.16
Typ
V
4.3
Min
V
Typ
V
Typ
V
Typ
V
0.17 Max V
Typ
V
Typ
V
Typ mA
Typ mA
(1) The min/max values listed for this specification are ensured by design and characterization only.
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