TA2157F Datasheet, PDF (1/14 Pages) Toshiba Semiconductor – Digital Servo Head Amp for CD System

TA2157F/FN
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA2157F,TA2157FN
Digital Servo Head Amp for CD System
TA2157F/FN is a digital servo head amp for a 3-beam pickup
used in CD systems.
Gain for RF signal generation amp can be freely set, supporting
CD-RW.
Combining with single-chip processor TC94A14F/FA/FB, a
CMOS digital servo, makes configuring CD systems simple.
Features
· Low power dissipation digital servo head amp
· Built-in amplifier for generating reference voltage (VRO)
· Built-in auto laser power control (APC) amplifier
· Built-in RF amplifier
· Built-in RF signal automatic gain control (AGC) amplifier
· Built-in gain change circuit for CD-RW
· Built-in focus error and tracking error signal amplifiers
· Built-in track count signal amplifier
· Normal-, double-, and ×4-speed operation
· 24-pin mini flat package
TA2157F
TA2157FN
Weight
SSOP24-P-300-1.00: 0.3 g (typ.)
SSOP24-P-300-0.65A: 0.17 g (typ.)
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2002-11-21