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PDF AN8837SB Data sheet ( Hoja de datos )
| Número de pieza | AN8837SB | |
| Descripción | Low power consumption CD-DA head amplifier IC for 3-beam system optical pick-up | |
| Fabricantes | Panasonic Semiconductor | |
| Logotipo |  |
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ICs for Compact Disc/CD-ROM Player
AN8837SB
Low power consumption CD-DA head amplifier IC for 3-beam system
optical pick-up
s Overview
The AN8837SB is a head amplifier IC for digital
servo. It can configure an efficient CD system in combi-
nation with the MN6627XX series, and allows a full-
automatic adjustment of tracking balance-gain-offset and
focus balance-gain-offset with fewer external parts.
Unit: mm
1 28
s Features
• Operating supply voltage VCC = 2.7 V to 5.5 V
• Balance adjustment function built-in
Focus error amp./tracking error amp.
• OFTR/BDO detection
• CROSS detection and vibration detection
• APC amp.
s Applications
• CD player
14 15
0.3
7.2±0.3
9.3±0.3
SSOP028-P-0375
1
1 page  
ICs for Compact Disc/CD-ROM Player
AN8837SB
s Electrical Characteristics at Ta = 25°C (continude)
Parameter
Symbol
Conditions
CROSS detection
CROSS high-level output
CROSS low-level output
CROSS comparator
hysteresis 1
VCR-H
VCR-L
∆VHiS1
VCC = 3 V, VTB = VREF , f = 10 kHz
VCC = 3 V, VTB = VREF , f = 10 kHz
VCC = 3 V
CROSS comparator
hysteresis 2
∆VHiS2 VCC = 3 V
RF amplification
RF amp. offset voltage
VRF-OF VCC = 3 V
Min Typ Max Unit
2.6
V
0.4 V
35 50 65 mV
−57 −42 −27 mV
−910 −710 −510 mV
RF amp. transfer gain
RF amp. relative transfer gain
RF amp.
frequency characteristics *
GRF
∆GRF
GRFF
VCC = 3 V
VCC = 3 V
VCC = 3 V
f = 500 kHz, 3 MHz
7.7 9.3 10.9
− 0.8 0 0.8
−3.7 −1.5 0.7
dB
dB
dB
RF amp. relative
frequency characteristics *
∆GRFF VCC = 3 V
f = 500 kHz, 3 MHz
−1.0 0 1.0 dB
RF amp.
EQ characteristics 1 *
GEQ1 VCC = 3 V
f = 500 kHz, 1.5 MHz
0.5 1.7 3.6 dB
RF amp.
EQ characteristics 2 *
GEQ2 VCC = 3 V
f = 100 kHz, 500 kHz
−3.5 −2.0 − 0.5 dB
RF detection
RFDET detection operation
RFDET high-level
RFDET low-level
BDO
VNRF
VNRF-H
VNRF-L
VCC = 3 V, f = 500 kHz
VCC = 3 V, f = 500 kHz
VCC = 3 V, f = 500 kHz
88 132 176 mV[p-p]
2.6
V
0.4 V
BDO detection level
BDO high-level
BDO low-level
OFTR
VBDO VCC = 3 V
VBDO-H f = 5 kHz, 170 mV[p-p], VCC = 3 V
VBDO-L f = 5 kHz, 170 mV[p-p], VCC = 3 V
−70 −44 −18
2.6
0.4
mV
V
V
OFTR detection current
OFTR high-level
OFTR low-level
LD APC
GFAGC1 VCC = 3 V
VOFT-H VCC = 3 V, f = 5 kHz, 700 mV[p-p]
VOFT-L VCC = 3 V, f = 5 kHz, 700 mV[p-p]
1.03 1.45 1.87
2.6
0.4
µA
V
V
APC operating voltage
VAPC VCC = 3 V
147 170 193 mV
Note) *: The values mentioned above are subject to change according to the state of a printed circuit board, a socket, etc.
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AN8837SB.PDF ] | |
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