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TDA9111

LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR

STMicroelectronics 

TDA9111

I2C READ/WRITE

Electrical Characteristics (VDD = 5V, Tamb = 25°C)

Symbol

Parameter

I2C PROCESSOR (1)

Test Conditions

Fscl

Maximum Clock Frequency

Pin 30

Tlow

Low period of the SCL Clock

Pin 30

Thigh

High period of the SCL Clock

Pin 30

Vinth

SDA and SCL Input Threshold

Pins 30, 31

VACK

Acknowledged Output Voltage on SDA

input with 3mA

Pin 31

I2C leak

Leakage current into SDA and SCL with VDD = 0

no logic supply

Pins 30, 31 = 5 V

Note: 1 See also I2C Sub Address Table.

SYNC PROCESSOR

Operating Conditions (VDD = 5V, VCC = 12V, Tamb = 25°C)

Symbol

Parameter

Test Conditions

HSVR

Voltage on H/HVIN Input

Pin 1

MinD

Minimum Horizontal Input Pulses Dura-

tion

Pin 1

Mduty

Maximum Horizontal Input Signal Duty

Cycle

Pin 1

VSVR

Voltage on VSYNCIN

Pin 2

VSW

Minimum Vertical Sync Pulse Width

Pin 2

VSmD

Maximum Vertical Sync Input Duty Cycle Pin 2

VextM

Maximum Vertical Sync Width on TTL H/

Vcomposite

Pin 1

Electrical Characteristics (VDD = 5V, VCC = 12V, Tamb = 25°C)

Symbol

Parameter

Test Conditions

VINTH

Horizontal and Vertical Input Logic Level High Level

(Pins 1, 2)

Low Level

RIN

Horizontal and Vertical Pull-Up Resistor Pins 1, 2

VoutT

Extracted Vsync Integration Time (% of

TH) on H/VComposite (2)

Note: 2 TH is the horizontal period.

C0 = 820pF

Min. Typ. Max. Units

400 kHz

1.3

µs

0.6

µs

2.2

V

0.4

V

20 µA

Min.

0

0.7

Typ.

Max. Units

5

V

µs

25

%

0

5

V

5

µs

15

%

750 µs

Min.

2.2

26

Typ.

250

35

Max.

0.8

Units

V

V

kΩ

%

7/43

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