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參數(shù)資料
| 型號(hào)： | TZA1031HL |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM, PLASTIC, MS-026, SOT-314-2, LQFP-64 |
| 文件頁數(shù)： | 22/52頁 |
| 文件大?。?/td> | 207K |
| 代理商： | TZA1031HL |
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2002 Jun 06
29
Philips Semiconductors
Product specication
Signal processing IC for DVD rewriteable
TZA1031
7.8
MON
7.8.1
MONITOR CIRCUIT FOR VARIOUS INTERNAL SERVO SIGNALS
The monitor circuit converts two input currents into bipolar voltages. The two input currents are selected via the serial
bus from a number of possible currents. The currents REN, TLN, FEN, MIRN, CAN, TILTN and PW come from the
NORM block and the current ALFA from the ALFA block (see Fig.3). The signals REN, TLN, FEN and TILTN are bipolar;
MIRN, ALFA, CAN and PW are unipolar. The output voltages for the unipolar signals are positive.
The 6-bit parameter MSEL defines the selection of the two input currents that will be I/V converted and will appear as
MON1 and MON2 at the output.
Table 7
MON block selection bits
The selection tables for MON1 and MON2 are identical, although a particular signal is only defined to appear at either
MON1or MON2, that is, if e.g. MSEL[5:0] = 000000, the outputs MON1 and MON2 are not defined (although the setting
for MSEL is not illegal). In the application different signals must be selected for MON1 and MON2.
For Q/NE = 1 the monitor outputs are distorted due to excess currents in the denominators of the various parameters.
MONITOR 1
MONITOR 2
MSEL[2]
MSEL[1]
MSEL[0]
MON[1]
MSEL[5]
MSEL[4]
MSEL[3]
MON[2]
0
REN
0
REN
0
1
TLN
0
1
TLN
0
1
0
FEN
0
1
0
FEN
0
1
MIRN
0
1
MIRN
1
0
ALFA
1
0
ALFA
1
0
1
PW
1
0
1
PW
1
0
CAN
1
0
CAN
1
TILTN
1
TILTN
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