THS7347 Datasheet, PDF (3/28 Pages) Texas Instruments – 3-Channel RGBHV Video Buffer with I2C™ Control, 2:1 Input Mux, Monitor Pass-Through, and Selectable Input Bias Modes

THS7347
www.ti.com
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
SLOS531 – MAY 2007
MIN
2.7
VDD
–40
NOM
MAX
5
5
+85
UNIT
V
V
°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.
PARAMETER
AC PERFORMANCE
Small-signal
bandwidth
(–3 dB)
Buffer output
Monitor output
–1 dB Flatness
Buffer output
Monitor output
Large-signal
bandwidth
(–3 dB)
Buffer output
Monitor output
Slew rate
Buffer output
Monitor output
Group delay at
100 kHz
Buffer output
Monitor output
Differential gain
Buffer output
Monitor output
Differential phase
Buffer output
Monitor output
Total harmonic
distortion
f = 1 MHz
Buffer output
Monitor output
Buffer output
Signal-to-noise ratio
Monitor output
Channel-to-channel ^{Buffer output}
crosstalk
Monitor output
MUX Isolation
Buffer output
Monitor output
Gain
Buffer output
Monitor output
Settling time
Buffer output
Monitor output
Output impedance
Buffer output
Monitor output
DC PERFORMANCE
Buffer output
Output offset voltage
Monitor output
Average offset
voltage drift
Buffer output
Monitor output
Bias output voltage
Buffer output
Monitor output
Sync tip clamp
voltage
Buffer output
Monitor output
TEST CONDITIONS
V_O = 0.2 V_PP
V_O = 0.2 V_PP
V_O = 1 V_PP
V_O = 2 V_PP
V_O = 1 V_PP
V_O = 2 V_PP
NTSC/PAL
NTSC/PAL
V_O = 1 V_PP
V_O = 2 V_PP
No weighting, up to 100 MHz
f = 100 MHz
f = 100 MHz
f = 100 kHz; V_O = 1 V_PP
f = 100 kHz; V_O = 2 V_PP
V_IN = 1 V_PP; 0.5% Settling
f = 10 MHz
Bias = dc
Bias = dc
Bias = dc + shift, V_IN = 0 V
Bias = ac
Bias = dc + shift, V_IN = 0 V
Bias = ac
Bias = ac STC, clamp voltage
TYP
+25°C
+25°C
OVER TEMPERATURE
0°C to
+70°C
–40°C to
+85°C
UNIT
MIN/MAX/
TYP
500
450
425
375
475
240
1050
1050
1.2
1.2
0.05/0.05
0.1/0.1
0.1/0.15
0.15/0.2
–58
–57
63
65
–40
–36
64
66
0
6
6
6
0.3
0.4
5.8/6.25
5.75/6.3
5.75/6.35
MHz
MHz
MHz
MHz
MHz
MHz
V/µs
V/µs
ns
ns
%
%
degrees
degrees
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
ns
Ω
Ω
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Min/Max
Typ
Typ
Typ
Typ
15
±80
±85
±85
20
±120
±125
±125
20
20
255
175/335 165/345 160/350
1.0
0.85/1.15 0.8/1.2
0.8/1.2
235
145/325 135/335 130/340
1.7
1.55/1.85 1.5/1.9
1.5/1.9
290
200/380 195/385 190/390
300
200/400 195/405 190/410
mV
mV
µV/°C
µV/°C
mV
V
mV
V
mV
mV
Max
Max
Typ
Typ
Min/Max
Min/Max
Min/Max
Min/Max
Min/Max
Min/Max
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