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| AN8847SB Datasheet, PDF (6/7 Pages) Panasonic Semiconductor – Head amplifier IC for CD-ROM drive for 32 times speed or more | |||
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AN8847SB
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 â 0.75 V
VRDAH f = 500 kHz, VGC = VREF2 â 0.75 V
NRF det. low-level output
voltage
VRDAL f = 500 kHz, VGC = VREF2 â 0.75 V
BDO
CBDO detection current
CBDO detection current ratio
BDO high-level output voltage
IBDO
BIBD4
VBDOH
VCC1 = 5 V, VCC2 = 3.3 V
VEQCTL = VREF2 â 0.5 V
VCC1 = 5 V, VCC2 = 3.3 V
VEQCTL = 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, sine wave
OFTR
COFTR detection current
IOFTR VCC1 = 5 V, VCC2 = 3.3 V
VLDON = VREF2 â 0.5 V
COFTR detection current ratio BIOFTR4 VCC1 = 5 V, VCC2 = 3.3 V
VLDON = 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
OFTR sensitivity
3TENV
VOFT_S f = 470 kHz, sine wave
VLDON = VREF2 +0.75 V
CEA to ENV
transfer characteristics
GCEAâENV 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
LDON operating voltage
Standby
VLD VCC1 = 5 V, VCC2 = 3.3 V
VLDON VCC1 = 5 V, VCC2 = 3.3 V
Current consumption at no load ISTBY VCC1 = 5 V, VCC2 = 3.3 V
in a standby mode
VLDON = VREF2 â 0.75 V
Min Typ Max Unit
73 105 137 mV[p-p]
4.2  
V
  0.8 V
1.07 1.49 1.91 µA
4.4 5.4 6.4 
4.2  
V
  0.8 V
1.07 1.49 1.91 µA
3.1 3.9 4.7 
4.2  
V
  0.8 V
0  1.2 V
25.0 28.0 31.0 dB
6.5 8.5 10.5 kâ¦
6.0 8.0 10.0 kâ¦
â120 0 120 mV
210 420 630 mV[p-p]
139 170 201 mV
  â 0.35 V
3.61 5.16 6.71 mA
6
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