THS7347_15 Datasheet, PDF (4/33 Pages) Texas Instruments – 3-Channel RGBHV Video Buffer with I2C Control, 2:1 Input Mux, Monitor Pass-Through, and Selectable Input Bias Modes

THS7347
SLOS531B – MAY 2007 – REVISED OCTOBER 2011
www.ti.com
ELECTRICAL CHARACTERISTICS, V_A = V_DD = 3.3 V (continued)
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
DC PERFORMANCE, continued
Input bias current
Average bias current drift
Bias = dc; (–) implies I_B out of the pin
Bias = dc
–1.3
–3.0
–3.5
–3.5
μA
Max
10
nA/°C
Typ
Bias = ac STC, low bias
2.3
0.9/3.6 0.8/3.8
0.7/3.9
μA
Min/Max
Sync tip clamp bias current
Bias = ac STC, mid bias
5.8
3.8/8.0 3.7/8.2
3.6/8.3
μA
Min/Max
Bias = ac STC, high bias
8.1
5.7/10.8 5.6/11.0 5.5/11.1
μA
Min/Max
INPUT CHARACTERISTICS
Input voltage range
Bias = dc
0 to 2
V
Typ
Input resistance
Bias = ac bias mode
25
Bias = dc, dc + shift, ac STC
3
kΩ
Typ
MΩ
Typ
Input capacitance
1.5
pF
Typ
OUTPUT CHARACTERISTICS: MONITOR OUTPUT
High output voltage swing
Low output voltage swing
Output current
Sourcing
Sinking
R_L = 150 Ω to 1.65 V
R_L = 150 Ω to GND
R_L = 75 Ω to 1.65 V
R_L = 75 Ω to GND
R_L = 150 Ω to 1.65 V
R_L = 150 Ω to GND
R_L = 75 Ω to 1.65 V
R_L = 75 Ω to GND
R_L = 10 Ω to 1.65 V
3.15
2.9
2.8
2.8
3.05
2.85
2.75
2.75
3.05
2.9
0.15
0.25
0.28
0.29
0.1
0.18
0.21
0.22
0.25
0.08
80
50
47
45
75
50
47
45
V
Min
V
Min
V
Typ
V
Typ
V
Max
V
Max
V
Typ
V
Typ
mA
Min
mA
Min
OUTPUT CHARACTERISTICS: BUFFER OUTPUT
High output voltage swing
(Limited by input range and G = 0 dB)
Low Output voltage swing
(Limited by input range and G = 0 dB)
Load = 19 kΩ ∥ 8 pF to 1.65 V
2
1.8
1.75
1.75
0.05
0.12
0.13
0.14
V
Min
V
Max
Output Current
Sourcing
Sinking
POWER SUPPLY: ANALOG
R_L = 10 Ω to GND
R_L = 10 Ω to 1.65 V
80
50
47
75
50
47
45
mA
Min
45
mA
Min
Maximum operating voltage
Minimum operating voltage
Maximum quiescent current
Minimum quiescent current
Power supply rejection (+PSRR)
V_A
V_A
V_A, dc + shift mode, V_IN = 100 mV
V_A, dc + shift mode, V_IN = 100 mV
Buffer output
3.3
5.5
5.5
5.5
V
Max
3.3
2.7
2.7
2.7
V
Min
80
100
103
105
mA
Max
80
60
57
55
mA
Min
50
dB
Typ
POWER SUPPLY: DIGITAL
Maximum operating voltage
V_DD
Minimum operating voltage
V_DD
Maximum quiescent current
V_DD, V_IN = 0 V
Minimum quiescent current
V_DD, V_IN = 0 V
DISABLE CHARACTERISTICS: ALL CHANNELS DISABLED
3.3
5.5
5.5
5.5
V
Max
3.3
2.7
2.7
2.7
V
Min
0.65
1.2
1.3
1.4
mA
Max
0.65
0.35
0.3
0.25
mA
Min
Quiescent current
All channels disabled
0.1
μA
Typ
Turn-on time delay (t_ON)
Turn-on time delay (t_OFF)
Time for l_S to reach 50% of final value
5
after I²C control is initiated
2
μs
Typ
μs
Typ
4
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