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 · Bu...
TA2157FN: 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 · Bui...
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· 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
Characteristics |
Symbol |
Rating |
Unit | |
Supply voltage |
VCC |
5 |
V | |
Power dissipation |
TA2157F |
PD |
600 |
mW |
TA2157FN |
500 | |||
Operating temperature |
Topr |
-40 ~ 85 |
||
Storage temperature |
Tstg |
-55 ~ 150 |
|
Note
1: TA2157F: Derated above 25 in the proportion 4.76 mW/.
2: TA2157FN: Derated above 25 in the proportion 4 mW/.
TA2157FN 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 TA2157FN, a CMOS digital servo, makes configuring CD systems simple.