TDA9109A Просмотр технического описания (PDF) - STMicroelectronics

Номер в каталоге

Компоненты Описание

производитель

TDA9109A

LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR

STMicroelectronics 

TDA9109A

I2C READ/WRITE

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

Symbol

Parameter

I2C PROCESSOR (See 1)

Fscl

Maximum Clock Frequency

Tlow

Low period of the SCL Clock

Thigh

High period of the SCL Clock

Vinth

SDA and SCL Input Threshold

Test Conditions

Pin 30

Pin 30

Pin 30

Pins 30, 31

VACK

I2C leak

Acknowledge Output Voltage on SDA

input with 3mA

Leakage current into SDA and SCL

with no logic supply

Pin 31

VDD = 0

Pins 30, 31 = 5 V

Note: 1 See also I2C Bus Address Table.

SYNC PROCESSOR

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

Symbol

HsVR

MinD

Mduty

VsVR

VSW

VSmD

VextM

Parameter

Voltage on H/HVIN Input

Minimum Horizontal Input Pulses Du-

ration

Maximum Horizontal Input Signal Duty

Cycle

Voltage on VSYNCIN

Minimum Vertical Sync Pulse Width

Maximum Vertical Sync Input Duty Cy-

cle

Maximum Vertical Sync Width on TTL

H/Vcomposite

Test Conditions

Pin 1

Pin 1

Pin 1

Pin 2

Pin 2

Pin 2

Pin 1

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

Symbol

VINTH

RIN

VoutT

Parameter

Horizontal and Vertical Input Logic

Level (Pins 1, 2)

Horizontal and Vertical Pull-Up Resis-

tor

Extracted Vsync Integration Time (%

of TH) on H/V Composite (see 2)

Test Conditions

High Level

Low Level

Pins 1, 2

C0 = 820pF

Note: 2 TH is the Horizontal period.

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.

5

Units

V

µs

25

%

0

5

V

5

µs

15

%

750

µs

Min.

2.2

Typ.

250

Max.

0.8

Units

V

V

kΩ

26

35

%

10/47

Share Link: