|Description||4-channel Linear Driver ic For Cd/cd-rom Drive|
|Company||Panasonic Industrial Company/Electronic Components|
|Datasheet||Download AN8787NSB datasheet
The a 4-channel driver IC that has 2-channel of H-bridge method actuator driver with current feedback, one channel of BTL type traverse driver and one channel of tri-state output type loading driver. It is optimum for actuator or motor driver of CD/CD-ROM player. It comes with a surface mount package that excels in heat radiating characteristic.
Little phase delay due to current feedback method (2-channel for actuator) Channels for loading motor (H-bridge system) are available for three modes of forward rotation, reverse rotation and braking Muting SW with 2 modes: A loading channel is in operation, and the other 3 channels are in muting; Loading is in muting and the other 3 channels are in operation. Standby switch to stop all functions Wide output dynamic range is available regardless of a reference power source on the system. I/O gain setting by an external resistor Thermal shut-down circuit built-in (with hysteresis)
1 2 PVCC PGND1 19 ch. 1 Reset SVCC 27 SVCC Thermal protect SVCC monitor Fin VREF monitor Standby Direction det. current amp.
Pin No. Description Driver-3 phase compensation pin Driver-3 input pin Driver-4 input pin Driver-3 feedback pin Driver-4 feedback pin Driver-4 phase compensation pin Driver-3, driver-4 power supply pin Driver-4 reverse rotation output pin Driver-4 current feedback power supply pin Driver-4 forward rotation output pin Driver-2, driver-4 GND pin Driver-3 reverse rotation output pin Driver-3 current feedback power supply pin Driver-3 forward rotation output pin Driver-2 forward rotation output pin Pin No. Fin Description Driver-2 power supply pin Driver-2 reverse rotation output pin Driver-1 reverse rotation output pin Driver-1 GND pin Driver-1 forward rotation output pin Driver-1 power supply pin VREF input pin Driver-1 input pin Driver-2 input pin Driver-2 output voltage adjustment pin Standby input pin System power supply pin PC (power cut) input pin GND pinParameter Supply voltage Supply current Power dissipation
Note) *1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for 25°C. *2: Referring to "s Application Circuit Example", use within the range mW or less = 85°C, following the allowable power dissipation characteristic curve of "s Application Notes".
Parameter Current consumption 1 with no signal Current consumption 2 with no signal Current consumption 3 with no signal Current consumption 4 with no signal Current consumption with no signal at standby 1 Current consumption with no signal at standby 2 Driver 1 Output offset voltage Gain Relative gain Limit voltage Limit voltage dB V Symbol ISVCC IVCC2 IVCC3 Conditions VPC 5 V, VSTB 5 V VPC 5 V, VSTB 5 V VPC 0 V, VSTB 5 V VPC 5 V, VSTB 5 V Min Typ Max Unit mA
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