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AM5868 Dataheets PDF



Part Number AM5868
Manufacturers AMtek
Logo AMtek
Description 5-channel BTL Driver
Datasheet AM5868 DatasheetAM5868 Datasheet (PDF)

AM5868 Motor Driver ICs 5-channel BTL Driver for DVD player AM5868 The AM5868 is a five-channel BTL driver IC for driving the motors and actuators such as used in DVD player and consists of two independent precision voltage comparators. It supports a variety of applications. z Applications BTL driver for CD, CD-ROM and DVD. z Features 1) Two comparators built-in: Two general-purpose voltage comparators are built-in. 2) Two channels are voltage-type BTL drivers for actuators of tracking and f.

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AM5868 Motor Driver ICs 5-channel BTL Driver for DVD player AM5868 The AM5868 is a five-channel BTL driver IC for driving the motors and actuators such as used in DVD player and consists of two independent precision voltage comparators. It supports a variety of applications. z Applications BTL driver for CD, CD-ROM and DVD. z Features 1) Two comparators built-in: Two general-purpose voltage comparators are built-in. 2) Two channels are voltage-type BTL drivers for actuators of tracking and focus. Two channels are voltage-type BTL driver for sled and spindle motors. It is also built-in one channel bi-direction DC motor driver for tray. 3) Wide dynamic range [9.0V (typ.) when Vcc1= Vcc2= 12V, at RL=8Ω load]. 4) Separating power of Vcc1 and Vcc2 is to improve power efficiency by a low supply voltage for tracking, focus, and spindle. 5) Level shift circuit built-in. 6) Thermal shut down circuit built-in. 7) Mute mode built-in. 8) Dual actuator drivers: A general purpose input OP provides differential input for signal addition. The output structure is two power OPAMPS in bridge configuration. 9) Sled motor driver: A general purpose input OP provides differential input for signal addition. The output structure is one power OPAMP in bridge configuration. 10) Spindle driver: Single input linear BTL driver. The output structure are two power OPAMPS in bridge configuration. 11) Tray in-out driver: The DC motor driver supports forward/reverse control for tray motor. AMtek semiconductors -0- May 2003 V0.7 AM5868 Motor Driver ICs z Absolute maximum ratings (Ta=25°C) Parameter Symbol Limits Supply voltage Power dissipation Operate Temp range Storage Temp range Vcc1 Vcc2 Pd Topr Tstg 13.5 *1.7 -35 ~ +85 **-55 ~ +150 *When mounted on a 70mm × 70mm × 1.6mm glass epoxy board. *Reduced by 13.6mW for each increase in Ta of 1℃ over 25℃. **Should not exceed Pd or ASO and Tj=150 ° C values z Guaranteed operating conditions (Ta=25°C) Parameter Power supply voltage z Block diagram Symbol Vcc1 Vcc2 Limits 4.3 ~ 13.2 4.3 ~ Vcc1 Unit V W ℃ ℃ Unit V V AMtek semiconductors -0- May 2003 V0.7 AM5868 Motor Driver ICs z Electrical characteristics ( Unless otherwise specified Ta=25℃, Vcc1=12V, Vcc2=5V, BIAS=2.5V, RL=8Ω/10Ω/45Ω) Parameter Quiescent current Voltage for mute ON Voltage for mute OFF Output offset voltage Maximum output voltage Voltage gain Symbol Icc Vston Vstoff Min 0 2.0 Limit Typ 30 - Unit Max - mA 0.5 V 5V Conditions Voo - - ± 5 0 mV Vom 3.6 4.0 - V @10ΩLoad Gv - 20 - dB VIN=BIAS+0.2Vpp ac @1KHz Output offset voltage Maximum output voltage Closed loop voltage gain Voofsl Vomsl Gvsl 7.5 18 - ± 1 00 mV 9.0 - V @8Ω Load 20 22 dB VIN=BIAS+0.2Vpp ac @1KHz Output offset voltage Maximum output voltage Voltage gain Gain error by polarity Voofld - - ± 5 0 mV Vomax 3.6 4.0 - V @8Ω Load Gvld 13.3 15.5 17.5 dB VIN=BIAS+0.2Vpp ac @1KHz ΔGvld 0 1 2 dB VIN=BIAS+.


MC20P43xx AM5868 GT24C08A


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