HA12220F Datasheet, PDF (16/20 Pages) Hitachi Semiconductor – CD-ROM Drive Head Amplifier IC

HA12220F
Electrical Characteristics (Ta = 25°C, V_CC = 5V)
Item
Symbol Min Typ Max Unit Test Conditions
Quiescent current 1
Quiescent current 2
Reference voltage
Focus error
amp.
Offset voltage *¹
I_CC1
— 20 32 mA No signal
I_CC2
— 0.6 1.0 mA Stand-by mode
V_C
2.3 2.5 2.7 V
I12 ≤ ±4mA
V_FE
–
0
100 mV
100
Max output voltage H 1 V_FEH1
4.2 4.5 — V
S2, S3, S51, S9a
V51 = 4V
Max output voltage L 1 V_FEL1
— 0.5 0.8 V
S1, S28, S51, S9a
V51 = 4V
Max output voltage H 2 V_FEH2
3.8 4.1 — V
S2, S3, S51, S9b
V51 = 4V
Max output voltage L 2 V_FEL2
— 0.9 1.2 V
S1, S28, S51, S9b
V51 = 4V
Voltage gain 1
G_VFE1
16.0 18.0 20.0 dB
S2, S3, S50
V9/VIN50
Tracking
error amp.
Voltage gain 2
Offset voltage *¹
G_VFE2
V_TE
16.0 18.0 20.0 dB
–65 0
65 mV
S1, S28, S50
V9/VIN50
Max output voltage H 1 V_TEH1
4.2 4.5 — V
S4, S51, S8a
V51 = 4V
Max output voltage L 1 V_TEL1
— 0.5 0.8 V
S5, S51, S8a
V51 = 4V
Max output voltage H 2 V_TEH2
3.8 4.1 — V
S4, S51, S8b
V51 = 4V
Max output voltage L 2 V_TEL2
— 0.9 1.2 V
S5, S51, S8b
V51 = 4V
FOK
Voltage gain 1
Voltage gain 2
FOK Vth
G_VTE1
G_VTE2
V_FOK
5.0 8.0 11.0 dB S4, S50 V8/VIN50
5.0 8.0 11.0 dB S5, S50 V8/VIN50
110 160 210 mV S28, S51
when V17 ≥ 4V
Min (V51 – V12) *²
Note:
“H” output voltage
V_FKH
4.7 — — V
“L” output voltage
V_FKL
— — 0.4 V
1. All offset voltages are values referring to VC (pin 12) at reset.
2. V11 = setting the same voltage as the voltage of pin 10 at no signal.
Application
Terminal
27
12
9
8
17
Rev.1, Apr. 1997, page 16 of 20