AN8849SB Datasheet, PDF (5/7 Pages) Panasonic Semiconductor – Head amplifier IC for CD-ROM drive for 24 times speed or more

ICs for Compact Disc/CD-ROM Player
AN8849SB
s Electrical Characteristics at T_a = 25°C (continude)
Parameter
Symbol
Conditions
Min Typ Max Unit
Tracking error amp. (continued)
Tracking error amp.
balance relative output 2−H
Tracking error amp.
balance relative output 2−L
Tracking error amp.
frequency characteristics
B_TRH
B_TRL
G_TRF
V_CC1 = 5 V, V_CC2 = 3.3 V
V_TB = V_REF2 +0.5 V
V_CC1 = 5 V, V_CC2 = 3.3 V
V_TB = V_REF2 − 0.5 V
V_CC1 = 5 V, V_CC2 = 3.3 V
f = 30 kHz, 500 kHz
−8.35 −6.35 −4.35 dB
4.35 6.35 8.35 dB
−4.5  0
dB
Tracking error amp.
GCTRL gain ratio × 4
CROSS detection
B_TR4
V_CC1 = 5 V, V_CC2 = 3.3 V
V_GC = V_REF2
3.3 4.3 5.3 
CROSS high-level output
CROSS low-level output
RF addition amp.
V_CR-H V_CC1 = 5 V, V_CC2 = 3.3 V, f = 10 kHz 4.2  
V
V_CR-L V_CC1 = 5 V, V_CC2 = 3.3 V, f = 10 kHz   0.8
V
RF addition amp.
output offset voltage
V_RAOF V_CC1 = 5 V, V_CC2 = 3.3 V
−200 0 200 mV
RF addition amp. addition gain
RF addition amp.
addition relative gain 1
G_RAD V_CC1 = 5 V, V_CC2 = 3.3 V
∆G_RAD1 V_CC1 = 5 V, V_CC2 = 3.3 V
−2.1 0 2.1 dB
−1.0 0 1.0 dB
RF addition amp.
addition relative gain 2
∆G_RAD2 V_CC1 = 5 V, V_CC2 = 3.3 V
−1.0 0 1.0 dB
RF addition amp.
addition relative gain 3
∆G_RAD3 V_CC1 = 5 V, V_CC2 = 3.3 V
−1.0 0 1.0 dB
RF addition amp.
full-addition gain
G_RADA V_CC1 = 5 V, V_CC2 = 3.3 V
9.9 12.0 14.1 dB
RF addition amp. full-addition G_RADDF V_CC1 = 5 V, V_CC2 = 3.3 V
frequency characteristics ^*
f = 500 kHz, 30 MHz
−3.1 −1.6 1.4 dB
Variable EQ characteristics
EQ characteristics × 1−1 ^*
EQ characteristics × 1−3 ^*
EQ characteristics × 20−1 ^*
G_EQ1−1 f = 100 kHz
EQSW = V_REF2 − 0.5 V
G_EQ1−3 f = 500 kHz
EQSW = V_REF2 − 0.5 V
G_EQ20−1 EQSW = V_REF2 +0.5 V
f = 2 MHz
−1.5 0 1.5 dB
0.5 2.0 3.5 dB
−1.5 0 1.5 dB
EQ characteristics × 20−3 ^*
G_EQ20−3 EQSW = V_REF2 +0.5 V
f = 13 MHz
−1.3 0.2 1.7 dB
AGC
AGC max. gain
AGC operating gain
AGC compression factor
AGC frequency characteristics
G_MAGC
G_AGC
∆G_AGC
G_FAGC
f = 500 kHz, V_IN = 20 mV[p-p]
f = 500 kHz, V_IN = 500 mV[p-p]
f = 500 kHz, V_IN = 125 mV[p-p]
f = 30 MHz, V_IN = 20 mV[p-p]
20.3 23.3 26.3 dB
3.0 6.0 9.0 dB
−1.20 1.30 3.80 dB
−4.5 −3.0 0
dB
Note) *: The values mentioned above are subject to change according to the state of a printed circuit board, a socket, etc.
5