THS7347_15 Datasheet, PDF (5/33 Pages) Texas Instruments – 3-Channel RGBHV Video Buffer with I2C Control, 2:1 Input Mux, Monitor Pass-Through, and Selectable Input Bias Modes

THS7347
www.ti.com
SLOS531B – MAY 2007 – REVISED OCTOBER 2011
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
DIGITAL CHARACTERISTICS⁽¹⁾
TEST CONDITIONS
+25°C
+25°C
0°C to
+70°C
–40°C to
+85°C
MIN/MAX/
UNIT
TYP
High level input voltage
V_IH
Low level input voltage
V_IL
H/V SYNC CHARACTERISTICS: R_Load = 1 kΩ To GND⁽²⁾
Schmitt trigger adjust pin voltage
Reference for Schmitt trigger
2.3
V
Typ
1.0
V
Typ
1.47
1.35/1.6 1.3/1.65 1.27/1.68
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
3.15
3.05
3.0
3.0
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
50
35
30
30
mA
Min
H/V Sync sink current
10 Ω to 3.3 V
35
25
23
21
mA
Min
H/V Delay
Delay from Input to output
6.5
ns
Typ
H/V to buffer output skew
5
ns
Typ
(1) Standard CMOS logic.
(2) Schmitt trigger threshold is defined by (VT+ – VT–)/2.
Copyright © 2007–2011, Texas Instruments Incorporated
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