THS7347 Datasheet, PDF (5/28 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
SLOS531 – MAY 2007
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.
PARAMETER
TEST CONDITIONS
H/V SYNC CHARACTERISTICS: R_Load = 1 kΩ To GND⁽¹⁾
Schmitt trigger adjust pin voltage
Reference for Schmitt trigger
Schmitt trigger threshold range
Allowable range for Schmitt trigger adjust
Schmitt trigger VT+
Positive-going input voltage threshold
relative to Schmitt trigger threshold
Schmitt trigger VT–
Negative-going input voltage threshold
relative to Schmitt trigger threshold
Schmitt trigger threshold pin input
resistance
Input resistance into Control pin
H/V Sync input impedance
H/V Sync high output voltage
1 kΩ to GND
H/V Sync low output voltage
1 kΩ to GND
H/V Sync source current
10 Ω to GND
H/V Sync sink current
10 Ω to 3.3 V
H/V Delay
Delay from Input to output
H/V to buffer output skew
TYP
+25°C
1.47
0.9 to 2
0.25
–0.3
10
10
3.15
0.01
50
35
6.5
5
+25°C
OVER TEMPERATURE
0°C to
+70°C
–40°C to
+85°C
UNIT
1.35/1.6 1.3/1.65 1.27/1.68
V
V
V
V
kΩ
MΩ
3.05
3.0
3.0
V
0.05
0.1
0.1
V
35
30
30
mA
25
23
21
mA
ns
ns
MIN/MAX/
TYP
Min/Max
Typ
Typ
Typ
Typ
Typ
Min
Max
Min
Min
Typ
Typ
(1) Schmitt trigger threshold is defined by (VT+ – VT–)/2.
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