Product Summary

The TDA4866 is a power amplifier for use in 90 degree colour vertical deflection systems for frame frequencies of 50 to 160 Hz. The circuit provides a high CMRR current driven differential input. Due to the bridge configuration of the two output stages DC-coupling of the deflection coil is achieved. In conjunction with TDA485x, TDA4841PS the IC TDA4866 offers an extremely advanced system solution.

Parametrics

TDA4866 absolute maximum ratings: (1)VP, supply voltage (pin 3): 0 to 30 V; (2)VFB, flyback supply voltage (pin 7): 0 to 60 V; (3)IFB, flyback supply current: 0 to ±1.8 A; (4)V1,V2, input voltage: 0 to VP; (5)I1,I2, input current: 0 to ±5mA; (6)V4,V6, output voltage: 0 to VP; (7)I4,I6, output current: 0 to ±1.8 A; (8)V9, feedback voltage: 0 to VP; (9)I9, feedback current: 0 to ±5mA; (10)V8, guard voltage: 0 to VP + 0.4 V; (11)I8, guard current: 0 to ±5mA; (12)Tstg, storage temperature: -20 to +150℃; (13)Tamb, ambient temperature: -20 to +75℃; (14)Tj, junction temperature: -20 to +150℃; (15)Ves, electrostatic handling voltage: ?500 to +500 V.

Features

TDA4866 features: (1)Fully integrated, few external components; (2)No additional components in combination with the deflection controller TDA485x, TDA4841PS; (3)Pre-amplifier with differential high CMRR current mode inputs; (4)Low offsets; (5)High linear sawtooth signal amplification; (6)High efficient DC-coupled vertical output bridge circuit; (7)Powerless vertical shift; (8)High deflection frequency up to 160 Hz; (9)Power supply and flyback supply voltage independent adjustable to optimize power consumption and flyback time; (10)Excellent transition behaviour during flyback; (11)Guard circuit for screen protection.

Diagrams

TDA4866 block diagram

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