ICs for CD/CD-ROM Player
AN8806SB
Three-Beam Method Head Amplifier IC for CD Player
s
Overview
The AN8806SB is a head amplifier IC supporting the
digital servo.
Combination of this IC and the MN6627XX series
allows the rational CD system to be constructed with
small number of external parts.
0.3±0.11
1
36
Umit : mm
s
Features
•
Single supply operation
•
I–V amplifier, tracking error amplifier, focus error ampli-
fier, RF amplifier and APC built-in
•
Detectors of DO, CROSS, OFTR and vibration built-in
•
Combination with the MN6627XX series providing com-
plete automatic adjustment for tracking balance, track-
ing gain, tracking offset, focus balance, focus gain and
focus offset
0.8
18
19
0.1
0.2
+ 0.05
–
0.1±0.1
1.3±0.25
2.85±0.2
0.5
8.4±0.3
11.93±0.3
36-lead SSOP package (SSOP036-P-0450A)
1.3±0.25
15.2±0.2
AN8806SB
RFIN
CEA
RF–
FEOUT
FE–
ARF
RFDET
CENV
11
12
ENV
19
CSBDO
– +
–
+
+ –
EQ
+
VCBA
–
–
+
OFTR
AGC
RF
Det.
BDO
ENV Det.
13
14 BDO
17
8
9
10
27
28
29
6
7
RFOUT
FBAL
CACC
+
+
+
s
Block Diagram
F
A
B
D
C
A+C
36
–
+
15
CSBRT
16 OFTR
E
I
A+C
I
B+D
F
BAL
: FEOUT –
: FEOUT +
: FEOUT +
B+D
+
VCBA
–
35
–
+
5
V
CC
PDFR
I
F
I
E
T
BAL
VCBA
: TEOUT –
: TEOUT +
: TEOUT +
31
18
34
F
Subtraction
– +
–
+
+
–
20 V
REF
PDER
VCBA
–
+
+
–
32
21 LD OFF
– +
– +
2
LD
25
TEOUT
26
TE–
23
TEBPF
22
V Det.
1
P
D
4
LDP
3
LD ON/OFF
+
E
33
–
+
30
TBAL
CROSS
ICs for CD/CD-ROM Player
24
ICs for CD/CD-ROM Player
s
Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
P
D
LD
LDON
LDP
V
CC
RF–
RFOUT
RFIN
C. AGC
ARF
C. ENV
C. EA
C. SBDO
BDO
C. SBRT
OFTR
NRFDET
GND
ENV
V
REF
LD OFF
VDET
TEBPF
CROSS
TEOUT
TE–
FEOUT
FE–
FBAL
TBAL
PDFR
PDER
PDE
PDF
PDBD
PDAC
I
I
I
I
O
O
I
O
I
O
O
I
O
I
I
I
O
O
O
O
I
O
I
Pin Name
I/O
I
O
I
I
Function Description
Signal input of P
D
for LD output monitor
Connected to base of external Tr for LD drive
ON/OFF switching of LD APC
Switching of APC reference voltage
Supply connecting pin
AN8806SB
Reverse rotation input pin of RF Amp. for connecting a resistance
Output pin of RF Amp. (reverse rotation amp.)
RF AGC input pin
C-connecting pin for RF AGC loop filter
RF output pin after AGC
C-connecting pin for RF
C-connecting pin for amp.
C-connecting pin for low speed detection of dark level DO
BDO detection output pin; positive logic
C-connecting pin for OFTR low speed detection
OFF TRACK detection output pin; positive logic
Output pin of RF signal amplitude detection ; negative logic
Ground pin
ENV output pin
V
CC
×
0.5 (V) output pin
Input pin for forced stop of LD APC
Output pin of vibration detection
Input pin of vibration detection
Output pin of TE CROSS detection signal
Output pin of TE Amp.
Inverting input pin of TE Amp. for connecting a resistance
Output pin of FE Amp.
Inverting input pin of FE Amp. for connecting a resistance
Control signal input pin for FO balance adjustment
Control signal input pin for TE balance adjustment
Resistance-connected pin setting the I–V conversion resistance value of PDE
Resistance-connected pin setting the I–V conversion resistance value of PDF
Connected to PIN Diode E
Connected to PIN Diode F
Connected to B/D of astigmatic 4-division P
D
Connected to A/C of astigmatic 4-division P
D
s
Absolute Maximum Ratings
(Ta=25˚C)
Parameter
Supply Voltage
Supply Current
Power Dissipation
Operating Ambient Temperature
Storage Temperature
Symbol
V
CC
I
CC
P
D
T
opr
T
stg
Rating
6
40
240
–30 ~ +85
–55 ~ +125
Unit
V
mA
mW
˚C
˚C
AN8806SB
s
Recommended Operating Range
(Ta=25˚C)
Parameter
Operating Supply Voltage Range
Symbol
V
CC
ICs for CD/CD-ROM Player
Range
3.4V ~ 5.5V
s
Electrical Characteristics
(Ta=25˚C±2˚C)
Parameter
Total Circuit Current
V
REF
Output Voltage
Focus Error Amp.
Output Offset Voltage
of Focus Error Amp.
Crosstalk Quantity
of Focus Error Offset Balance
I –V Conversion Gain
of Focus Error Amp.
I –V Conversion Relative Gain
of Focus Error Amp.
Focus Balance Variable Range 1–H
Focus Balance Variable Range 1–L
Focus Balance Variable Range 2–H
Focus Balance Variable Range 2–L
Frequency Characteristics
of Focus Error Amp.
Tracking Error Amp.
Output Offset Voltage
of Tracking Error Amp.
Crosstalk Quantity
of Tracking Error Offset Balance
I–V Conversion Gain
of Tracking Error Amp.
I–V Conversion Relative Gain
of Tracking Error Amp.
Tracking Balance Variable Range 1–H
Tracking Balance Variable Range 1–L
Tracking Balance Variable Range 2–H
Tracking Balance Variable Range 2–L
Frequency Characteristics
of Tracking Error Amp.
CROSS Detection
CROSS Output H Level
CROSS Output L Level
RF-Amp.
RF-Amp. Offset Voltage
RF-Amp. I –V Conversion Gain
RF-Amp. I –V Conversion Relative Gain 1
RF-Amp. Frequency Characteristics 1
Note)
Note)
V
RF–OF
R
RF
DR
RF
G
RF
V
CC
=5V
V
CC
=5V
V
CC
=5V
V
CC
=5V, f=500kHz, 3MHz
–75
45.0
–10
–2.5
0
56.5
0
0
75
68.0
10
2.5
mV
kΩ
%
dB
V
FO–OF
V
FO–OFB
R
FO
DR
FO
B
FO1–H
B
FO1–L
B
FO2–H
B
FO2–L
G
FO
V
CC
=5V
V
CC
=5V, V
FB
=V
REF
±1V
Applied
V
CC
=5V, V
FB
=V
REF
V
CC
=5V, V
FB
=V
REF
V
CC
=5V, V
FB
=V
REF
+1V
V
CC
=5V, V
FB
=V
REF
–1V
V
CC
=5V, V
FB
=V
REF
+1V
V
CC
=5V, V
FB
=V
REF
–1V
V
CC
=5V, f=1kHz, 30kHz Input
–250
–200
65
–12
0.15
1.19
1.19
0.15
–4.5
93
0
0.25
1.70
1.70
0.25
–3
0
250
200
121
12
0.35
2.21
2.21
0.35
–1.5
dB
mV
mV
kΩ
%
Symbol
I
tot
V
REF
V
CC
=5V
V
CC
=5V
Condition
min.
10.0
2.20
typ.
14.5
2.50
max.
19.0
2.80
Unit
mA
V
V
TR–OF
V
TR–OFB
R
TR
DR
TR
B
TR1–H
B
TR1–L
B
TR2–H
B
TR2–L
G
TR
V
CC
=5V
V
CC
=5V, V
TB
=V
REF
±1V
Applied
V
CC
=5V, V
TB
=V
REF
V
CC
=5V, V
TB
=V
REF
V
CC
=5V, V
TB
=V
REF
+1V
V
CC
=5V, V
TB
=V
REF
–1V
V
CC
=5V, V
TB
=V
REF
+1V
V
CC
=5V, V
TB
=V
REF
–1V
V
CC
=5V, f=1kHz, 46kHz
–63
–200
420
–15
0.185
1.20
1.20
0.175
–4.5
0
63
200
mV
mV
kΩ
%
600
0
0.285
1.75
1.75
0.275
–3
780
15
0.385
2.30
2.30
0.375
–1.5
dB
V
CR–H
V
CR–L
V
CC
=5V, V
TB
=V
REF
, f=2kHz
V
CC
=5V, V
TB
=V
REF
, f=2kHz
4.2
0.8
V
V
The value may fluctuate by the influence of printed board, socket and etc.
ICs for CD/CD-ROM Player
s
Electrical Characteristics (Cont.)
(Ta=25˚C±2˚C)
Parameter
AGC
AGC max. Gain
EQ Characteristics
AGC Operation Gain
AGC Compressibility
AGC Frequency Characteristics
RFDET
RFDET Detection Operation
RFDET H Level
RFDET L Level
BDO
BDO Detection Current
BDO H Level
BDO L Level
OFTR
OFTR Detection Current
OFTR H Level
OFTR L Level
LD – APC
LD ON H Input Level
LD OFF H Input Level
LD ON Operation Voltage (1)
LD ON Operation Voltage (2)
V. Detection
V. Det. Level (1)
V. Det. Level (2)
V. Det. H Level
V. Det. L Level
3TENV
CENV Detection Current
CEA-ENV Transmission Characteristics
CEA Input Impedance
ENV Output Impedance
ENV-Amp. Offset Voltage
CEA-Amp. Operation Voltage
I
CENV
G
CEA–ENV
R
CEA
R
ENV
V
OP–ENV
V
OP–CEA
V
CC
=5V
V
CC
=5V
V
CC
=5V
V
CC
=5V
V
CC
=5V
V
CC
=5V
8.5
21
6.5
6.5
–70
50
11
23
8.25
8.25
0
125
V
Det. (1)
V
Det.. (2)
V
Det.–H
V
Det.–L
V
CC
=5V, V
23
: DC Sweep
V
CC
=5V, V
23
: DC Sweep
V
CC
=5V, V
23
: DC Sweep
V
CC
=5V, V
23
: DC Sweep
52
–98
4.2
75
–75
V
LDON–H
V
LDOFF–H
V
LD (1)
V
LD (2)
V
CC
=5V
V
CC
=5V
V
CC
=5V, V
1
: DC Sweep
V
CC
=5V, V
1
: DC Sweep
3.5
3.5
0.135
0.116
0.170
0.140
I
OFTR
V
OFTR–H
V
OFTR–L
V
CC
=5V
V
CC
=5V, f=2kHz Rectangle Wave
V
CC
=5V, f=2kHz Rectangle Wave
1.0
4.2
1.4
I
BDO
V
BDO–H
V
BDO–L
V
CC
=5V
V
CC
=5V, f=2kHz Rectangle Wave
V
CC
=5V, f=2kHz Rectangle Wave
1.0
4.2
1.4
G
AGC
DG
EQ
G
OP–AGC
G
cm–AGC
G
f–AGC
V
NRF
V
NRF–H
V
NRF–L
V
CC
=5V, f=500kHz, Sine Wave
V
CC
=5V, f=1.5MHz, Sine Wave
f=500kHz, V
IN
=500mV
P–P
f=500kHz, V
IN
=100mV
P–P
f=3MHz, V
IN
=500mV
P–P
f=500kHz
f=500kHz
f=500kHz
11.0
– 0.2
4
2
–1.5
0.067
4.2
15.5
1.0
6
6
0
0.105
Symbol
Condition
min.
typ.
AN8806SB
max.
20.0
2.0
9
8
2.5
0.142
0.8
1.8
0.8
1.8
0.8
Unit
dB
dB
dB
dB
dB
V
P–P
V
V
µA
V
V
µA
V
V
V
V
0.205
0.164
98
–52
0.8
13.5
25
9.5
9.5
70
200
V
V
mV
mV
V
V
µA
dB
kΩ
kΩ
mV
mV
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