THS7347_15 Datasheet, PDF (8/33 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
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ELECTRICAL CHARACTERISTICS, V_A = V_DD = 5 V (continued)
R_L = 150Ω || 5pF to GND for Monitor Output, 19kΩ || 8pF Load to GND for Buffer Output, SAG pin shorted to Monitor Output
Pin, unless otherwise noted.
TYP
OVER TEMPERATURE
PARAMETER
TEST CONDITIONS
H/V SYNC CHARACTERISTICS: R_Load = 1 kΩ To GND⁽²⁾
Schmitt trigger adjust pin voltage
Reference for Schmitt trigger
+25°C
+25°C
0°C to
+70°C
–40°C to
+85°C
MIN/MAX/
UNIT
TYP
1.54 1.43/1.65 1.38/1.7 1.35/1.73
V
Min/Max
Schmitt trigger threshold range
Allowable range for Schmitt trigger adjust 0.9 to 2
V
Typ
Schmitt trigger VT+
Positive-going input voltage threshold
relative to Schmitt trigger threshold
0.25
V
Typ
Schmitt trigger VT–
Negative-going input voltage threshold
relative to Schmitt trigger threshold
–0.3
V
Typ
Schmitt trigger threshold pin input
resistance
Input resistance into Control pin
10
kΩ
Typ
H/V Sync input impedance
10
MΩ
Typ
H/V Sync high output voltage
1 kΩ to GND
4.8
4.7
4.6
4.6
V
Min
H/V Sync low output voltage
1 kΩ to GND
0.01
0.05
0.1
0.1
V
Max
H/V Sync source current
10 Ω to GND
90
60
55
55
mA
Min
H/V Sync sink current
10 Ω to 5 V
50
30
27
25
mA
Min
H/V Delay
Delay from input to output
6.5
ns
Typ
H/V to buffer output skew
5
ns
Typ
(2) Schmitt trigger threshold is defined by (VT+ – VT–)/2.
8
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