THS7347_15 Datasheet, PDF (3/33 Pages) Texas Instruments – 3-Channel RGBHV Video Buffer with I2C Control, 2:1 Input Mux, Monitor Pass-Through, and Selectable Input Bias Modes

THS7347
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RECOMMENDED OPERATING CONDITIONS
V_DD Digital supply voltage
V_A
Analog supply voltage. Must be equal to or greater than V_DD
T_A
Ambient temperature
SLOS531B – MAY 2007 – REVISED OCTOBER 2011
MIN NOM MAX UNIT
2.7
5V
V_DD
5V
–40
+85 °C
ELECTRICAL CHARACTERISTICS, V_A = V_DD = 3.3 V
R_L = 150 Ω ∥ 5 pF to GND for Monitor Output, 19 kΩ || 8 pF Load to GND for Buffer Output, SAG pin shorted to Monitor
Output Pin, unless otherwise noted.
TYP
OVER TEMPERATURE
PARAMETER
TEST CONDITIONS
+25°C
+25°C
0°C to
+70°C
–40°C to
+85°C
MIN/MAX/
UNIT
TYP
AC PERFORMANCE
Small-signal
bandwidth (–3 dB)
Buffer output
Monitor output
V_O = 0.2 V_PP
500
450
MHz
Typ
MHz
Typ
Buffer output
425
–1 dB flatness
Monitor output
V_O = 0.2 V_PP
375
MHz
Typ
MHz
Typ
Large-signal
bandwidth (–3 dB)
Slew rate
Group delay at
100 kHz
Buffer output
Monitor output
Buffer output
Monitor output
Buffer output
Monitor output
V_O = 1 V_PP
V_O = 2 V_PP
V_O = 1 V_PP
V_O = 2 V_PP
475
240
1050
1050
1.2
1.2
MHz
Typ
MHz
Typ
V/μs
Typ
V/μs
Typ
ns
Typ
ns
Typ
Differential gain
Buffer output
Monitor output
NTSC/PAL
0.05/0.05
0.1/0.1
%
Typ
%
Typ
Differential phase
Buffer output
Monitor output
NTSC/PAL
0.1/0.15
0.15/0.2
degrees
Typ
degrees
Typ
Total harmonic
Buffer output
V_O = 1 V_PP
–58
distortion f = 1 MHz _{Monitor output}
V_O = 2 V_PP
–57
Buffer output
63
Signal-to-noise ratio
No weighting, up to 100 MHz
Monitor output
65
dB
Typ
dB
Typ
dB
Typ
dB
Typ
Channel-to-channel ^{Buffer output}
crosstalk
Monitor output
f = 100 MHz
–40
–36
dB
Typ
dB
Typ
Buffer output
64
MUX isolation
f = 100 MHz
Monitor output
66
dB
Typ
dB
Typ
Gain
Settling time
Buffer output
Monitor output
Buffer output
Monitor output
f = 100 kHz; V_O = 1 V_PP
f = 100 kHz; V_O = 2 V_PP
V_IN = 1 V_PP; 0.5% settling
0
dB
Typ
6
5.8/6.25 5.75/6.3 5.75/6.35
dB
Min/Max
6
ns
Typ
6
ns
Typ
Buffer output
0.3
Output impedance
f = 10 MHz
Monitor output
0.4
Ω
Typ
Ω
Typ
DC PERFORMANCE
Buffer output
Output offset voltage
Monitor output
Bias = dc
15
±80
±85
±85
mV
Max
20
±120
±125
±125
mV
Max
Average offset
voltage drift
Buffer output
Monitor output
Bias = dc
20
μV/°C
Typ
20
μV/°C
Typ
Bias output voltage
Buffer output
Monitor output
Bias = dc + shift, V_IN = 0 V
Bias = ac
Bias = dc + shift, V_IN = 0 V
Bias = ac
255
175/355 165/365 160/370
1.0
0.85/1.15 0.8/1.2
0.8/1.2
235
145/350 135/360 130/365
1.7
1.55/1.85 1.5/1.9
1.5/1.9
mV
Min/Max
V
Min/Max
mV
Min/Max
V
Min/Max
Sync tip clamp
voltage
Buffer output
Monitor output
Bias = ac STC, clamp voltage
290
200/405 195/410 190/415
300
200/400 195/405 190/410
mV
Min/Max
mV
Min/Max
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