HA12220F 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics
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HA12220F Datasheet PDF : 20 Pages
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HA12220F
Table 1 Serial Data Control Command 1
Focus error gain
CD-RW
D7D6D5 D4
0 0 0 CD-RW
*1
DATA
D3
D2
D1
Focus error gain
D3 D2 D1 Gain (dB)
000
0
011
–4
010
–8
101
+7.9
110
+4.3
Focus error offset
001
D4
D3 D2 D1 Offset (V)
1
111
+0.7
110
+0.6
101
+0.5
100
+0.4
011
+0.3
010
+0.2
001
+0.1
0
000
±0
001
–0.1
010
–0.2
011
–0.3
100
–0.4
101
–0.5
110
–0.6
111
–0.7
Variable resistor BAL for 0 1 0
tracking error EF balance
D4 D3 D2 D1
1000
1001
1010
1011
1100
1101
1110
1111
0000
0001
0010
0011
0100
0101
0110
0111
BAL
336kΩ
344kΩ
352kΩ
360kΩ
368kΩ
376kΩ
384kΩ
392kΩ
400kΩ
408kΩ
416kΩ
424kΩ
432kΩ
440kΩ
448kΩ
456kΩ
Ratio
–16%
–14%
–12%
–10%
–8%
–6%
–4%
–2%
±0%
+2%
+4%
+6%
+8%
+10%
+12%
+14%
Note
D0
0
0
0
Note: 1. Both tracking error and focus error gains are increased by 12dB. The RFAGC block gain is
also increased by 12dB.
Rev.1, Apr. 1997, page 8 of 20
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