THS7347

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SLOS531B

– MAY 2007 – REVISED OCTOBER 2011

ELECTRICAL CHARACTERISTICS, VA = VDD = 3.3 V (continued)

RL = 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

0

°C to

–40°C to

MIN/MAX/

PARAMETER

TEST CONDITIONS

+25

°C

+25

°C

+70

°C

+85

°C

UNIT

TYP

DIGITAL CHARACTERISTICS(1)

High level input voltage

VIH

2.3

V

Typ

Low level input voltage

VIL

1.0

V

Typ

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

(2)

Schmitt trigger adjust pin voltage

Reference for Schmitt trigger

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

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

3.15

3.05

3.0

3.0

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

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.

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© 2007–2011, Texas Instruments Incorporated

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