參數(shù)資料
型號(hào): SAA7826HL
廠商: NXP Semiconductors N.V.
元件分類(lèi): DRAM
英文描述: CD audio decoder, digital servo and filterless DAC with integrated pre-amp and laser control
封裝: SAA7826HL/M1AS/S5<SOT315-1 (LQFP80)|<<http://www.nxp.com/packages/SOT315-1.html<1<Always Pb-free,;
文件頁(yè)數(shù): 58/89頁(yè)
文件大?。?/td> 379K
代理商: SAA7826HL
2003 Oct 01
58
Philips Semiconductors
Product specification
CD audio decoder, digital servo and filterless
DAC with integrated pre-amp and laser control
SAA7826
8
SUMMARY OF SERVO COMMAND PARAMETERS
VALUES
Table 28
foc_parm1 parameter: focus end lead
frequency, defect detector, offtrack detector
Table 29
foc_parm2 parameter: focus low-pass start
frequency, focusing system
foc_parm1
Focus end lead
frequency f
3
kHz
foc_pole_lead value
(binary)
xxx1 1100
xxx1 1000
xxx0 0000
xxx0 1000
xxx0 1100
xxx1 1101
xxx1 1001
xxx0 0001
xxx0 1001
xxx0 1101
xxx1 1110
xxx1 1010
xxx0 0010
xxx0 1010
xxx0 1110
xxx1 1111
xxx1 1011
xxx0 0011
xxx0 1011
defect_det_sw
x11x xxxx
1.97
2.29
2.61
2.94
3.26
3.90
4.55
5.19
5.82
6.46
7.72
8.98
10.22
11.46
12.69
15.13
17.54
19.93
22.28
Defect detector
defect detector does not
influence focus and radial
focus hold on defect
detector
focus and radial hold on
defect detector
undefined, reserved
Offtrack detector
ON track active 1
ON track active 0
x10x xxxx
x00x xxxx
x01x xxxx
otd_select
0xxx xxxx
1xxx xxxx
foc_parm2
Focus low-pass start
frequency f
4
kHz
foc_pole_noise value
(binary)
xxx1 1100
xxx1 1000
xxx0 0000
xxx0 1000
xxx0 1100
xxx1 1101
xxx1 1001
xxx0 0001
xxx0 1001
xxx0 1101
xxx1 1110
xxx1 1010
xxx0 0010
xxx0 1010
xxx0 1110
xxx1 1111
xxx1 1011
xxx0 0011
xxx0 1011
detector_arr
xx1x xxxx
xx0x xxxx
3.90
4.55
5.19
5.82
6.46
7.72
8.98
10.22
11.46
12.69
15.13
17.54
19.93
22.28
25.40
30.26
35.08
39.86
44.56
Focusing system
single foucault
double foucault
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SAA7826HL/M1A,557 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC PHONIC AUTO RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類(lèi)型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
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