THS7347

SLOS531B

– MAY 2007 – REVISED OCTOBER 2011

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ELECTRICAL CHARACTERISTICS, VA = VDD = 5 V (continued)

RL = 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

0

°C to

–40°C to

MIN/MAX/

PARAMETER

TEST CONDITIONS

+25

°C

+25

°C

+70

°C

+85

°C

UNIT

TYP

H/V SYNC CHARACTERISTICS: RLoad = 1 kΩ To GND

(2)

Schmitt trigger adjust pin voltage

Reference for Schmitt trigger

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

Positive-going input voltage threshold

Schmitt trigger VT+

0.25

V

Typ

relative to Schmitt trigger threshold

Negative-going input voltage threshold

Schmitt trigger VT

–

–0.3

V

Typ

relative to Schmitt trigger threshold

Schmitt trigger threshold pin input

Input resistance into Control pin

10

k

Ω

Typ

resistance

H/V Sync input impedance

10

M

Ω

Typ

H/V Sync high output voltage

1 k

Ω to GND

4.8

4.7

4.6

4.6

V

Min

H/V Sync low output voltage

1 k

Ω 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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