參數(shù)資料
型號: SAA7826HL
廠商: NXP Semiconductors N.V.
元件分類: 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,;
文件頁數(shù): 65/89頁
文件大?。?/td> 379K
代理商: SAA7826HL
2003 Oct 01
65
Philips Semiconductors
Product specification
CD audio decoder, digital servo and filterless
DAC with integrated pre-amp and laser control
SAA7826
Table 52
hold_mult parameter: velocity proportional part
during long jump, sledge gain in steered sledge
mode; RAM address 49H
Table 53
speed_threshold parameter: maximum sledge
speed allowed in fast actuator steered mode;
RAM address 48H
Table 54
sledge_long_brake parameter: maximum
sledge distance allowed in sledge steered
mode; RAM address 58H
hold_mult
Hex
Velocity
proportional
partduringlong
jump K
p
0
0.015625
0.031250
0.046875
0.062500
0.078125
0.093750
0.109375
0.125000
0.140625
0.156250
0.171875
0.187500
0.203125
0.218750
0.234375
Sledge gain in
steered mode
G
S
2
3
4
6
8
12
16
24
vel_prop1
(binary)
0000 xxxx
1000 xxxx
0100 xxxx
1100 xxxx
0010 xxxx
1010 xxxx
0110 xxxx
1110 xxxx
0001 xxxx
1001 xxxx
0101 xxxx
1101 xxxx
0011 xxxx
1011 xxxx
0111 xxxx
1111 xxxx
vel_prop2
0x
8x
4x
Cx
2x
Ax
6x
Ex
1x
9x
5x
Dx
3x
Bx
7x
Fx
xxxx x000
xxxx x001
xxxx x010
xxxx x011
xxxx x100
xxxx x101
xxxx x110
xxxx x111
x0
x1
x2
x3
x4
x5
x6
x7
speed_threshold value
(decimal)
Maximum sledge speed
allowed in fast actuator
steered mode, number of
tracks (x 1000 tracks/sec)
0...127
1
2
3...
127
128
64
not allowed
1
2
3...127
128
reset value
sledge_long_brake
(decimal)
Maximum sledge
distance allowed in
sledge steered mode,
number of tracks
1...
128
1
2
3...62
63
1
test always true
1
×
128
2
×
128
3
×
128...62
×
128
63
×
128
reset value
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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
SAA7826HL/M1AS/S5, 制造商:NXP Semiconductors 功能描述:- Tape and Reel 制造商:NXP Semiconductors 功能描述:DSP