English
Language : 

AN8849SB Datasheet, PDF (6/7 Pages) Panasonic Semiconductor – Head amplifier IC for CD-ROM drive for 24 times speed or more
◁
AN8849SB
ICs for Compact Disc/CD-ROM Player
s Electrical Characteristics at Ta = 25°C (continued)
Parameter
Symbol
Conditions
NRF detection
NRF det. detection level
NRF det. high-level output
voltage
VRDA1 f = 500 kHz, VGC = VREF2 − 0.75 V
VRDAH f = 500 kHz, VGC = VREF2 − 0.75 V
NRF det. low-level output
voltage
VRDAL f = 500 kHz, VGC = VREF2 − 0.75 V
NRF det. detection level ratio
BDO
BRDA f = 500 kHz, VGC = VREF2
CBDO detection current
CBDO detection current ratio
BDO high-level output voltage
IBDO
BIBD4
VBDOH
VCC1 = 5 V, VCC2 = 3.3 V
EQSW = VREF2 − 0.5 V
VCC1 = 5 V, VCC2 = 3.3 V
EQSW = VREF2
VCC1 = 5 V, VCC2 = 3.3 V
f = 5 kHz, rectangular wave
BDO low-level output voltage VBDOL VCC1 = 5 V, VCC2 = 3.3 V
f = 5 kHz, rectangular wave
OFTR
COFTR detection current
IOFTR VCC1 = 5 V, VCC2 = 3.3 V
EQSW = VREF2 − 0.5 V
COFTR detection current ratio BIOFTR4 VCC1 = 5 V, VCC2 = 3.3 V
EQSW = VREF2
OFTR high-level output voltage VOFTRH VCC1 = 5 V, VCC2 = 3.3 V
f = 5 kHz, rectangular wave
OFTR low-level output voltage VOFTRL VCC1 = 5 V, VCC2 = 3.3 V
f = 5 kHz, rectangular wave
Masking operating voltage 1
Masking operating voltage 2
3TENV
VMASK1 f = 40 kHz, VIN = 100 mV[p-p]
VMASK2 f = 40 kHz, VIN = 100 mV[p-p]
CEA to ENV
transfer characteristics
GCEA−ENV VCC1 = 5 V, VCC2 = 3.3 V
CEA input impedance
ENV amp. output impedance
ENV amp. offset voltage
ENV amp. operation
ZCEA VCC1 = 5 V, VCC2 = 3.3 V
ZENV VCC1 = 5 V, VCC2 = 3.3 V
VENVOF VCC1 = 5 V, VCC2 = 3.3 V
VENV VCC1 = 5 V, VCC2 = 3.3 V
f = 800 kHz, AM modulation
LD APC
LD operating reference voltage VLD VCC1 = 5 V, VCC2 = 3.3 V
LDON operating voltage
VLDON VCC1 = 5 V, VCC2 = 3.3 V
Min Typ Max Unit
73 105 137 mV[p-p]
4.2  
V
  0.8 V
2.9 3.9 4.9 
0.98 1.40 1.82 µA
3.0 3.8 4.6 
4.2  
V
  0.8 V
0.98 1.40 1.82 µA
3.0 3.8 4.6 
4.2  
V
  0.8 V
  0.35 V
0.65  
V
20.0 23.0 26.0 dB
6.8 8.8 10.8 kΩ
6.4 8.4 10.4 kΩ
−100 0 100 mV
270 540 810 mV[p-p]
135 170 205 mV
  − 0.35 V
6
 ▷