TDA8185I datasheet(3/8 Pages) STMICROELECTRONICS

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ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Supply Voltage at Pin 24 (low impedance)

5.25

VCC

Voltage at Pins, 7, 15, 21

Input Signals

Ptot

Total Power Dissipation (Tamb =70

°C)

Tj,Tstg

Storage and Junction Temperature

– 40 to 150

°C

THERMAL DATA

Symbol

Parameter

Value

Unit

Rth j–pins

Thermal Resistance Junction-pins

Max

°C

ELECTRICAL CHARACTERISTICS

(VS =5 V, VCC =12 V, Tamb =25

°C, unless otherwise specified)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Supply Voltage (pin 24)

4.75

5.25

Supply Current (pin 24)

V24

Stabilized Voltage at Pin 24

5.6

SYNC. SEPARATOR

Peak to Peak Input Signal (negative video signal)

0.3

VIDEO IDENTIFICATION AND VCR SWITCH

V23

VCR Switch Voltage

1.6

2.1

2.4

Threshold Voltage for Time Constant Switching

2.3

Peak Output Current

Lock

–I4

Output Current

µA

OSCILLATOR

Free Running Frequency

500

kHz

Frequency Control Sensitivity

1.0

kHz/V

V10

Control Voltage Range

2.6 to 4

SYNC–OSCILLATOR PHASE COMPARATOR

I10

Control Peak Curent

± 0.3

I10

VCR Control Peak Current

± 0.6

∆f

Catching and Holding Range

± 400

FLYBACK – OSCILLATOR PHASE COMPARATOR

Control Voltage Range

2.8 to 3.7

Flyback Input Current

0.1

Flyback Input Threshold

Peak Control Current

± 0.5

Static Control Error

Permissible Delay between Output Pulse and

Flyback Pulse

tflyback =12

µs17

µs

TDA8185I

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