saa7825 NXP Semiconductors, saa7825 Datasheet - Page 53

• Manufacturer Part Number: saa7825
• Description: Cd Audio Decoder, Digital Servo And Filterless Dac With Integrated Pre-amp And Laser Control
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 22 Multiple write register element description
Table 23 HF gain
2003 Aug 13
7
(bank 3)
A
(bank 3)
CD audio decoder, digital servo and filterless
DAC with integrated pre-amp and laser control
REGISTER
SHADOW
DATA
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
<eq_speed_sel>
<hp_filter_sel>
<slicer_slew>
ELEMENT
<hf_gain>
<d1_off>
<d2_off>
<d3_off>
<d4_off>
<r1_off>
<r2_off>
NAME
voltage mode = 1.11 V
voltage mode = 952 mV
voltage mode = 588 mV
voltage mode = 392 mV
voltage mode = 1.11 V
voltage mode = 952 mV
voltage mode = 588 mV
voltage mode = 392 mV
voltage mode = 303 mV
voltage mode = 200 mV
voltage mode = 157 mV
voltage mode = 107 mV
voltage mode = 79 mV
voltage mode = 54 mV
voltage mode = 39 mV
voltage mode = 27 mV
DESCRIPTION
BIT NUMBERS
<17:12>
<23:18>
<29:24>
<35:30>
<15:10>
<11:6>
<5:0>
<3:0>
<7:4>
<9:8>
53
DC offset level for D1 (reset value = 000000)
DC offset level for D3 (reset value = 000000)
DC offset level for D4 (reset value = 000000)
DC offset level for R1 (reset value = 000000)
DC offset level for R2 (reset value = 000000)
equaliser operating speed: 00 = 1 (reset); 01 = 2 ; 10 = 4
see Table 25
DC offset level for D2 (reset value = 000000)
see Table 23
see Table 24
Table 24 Slicer threshold tracking slew rate (ISlice code
to current conversion)
DATA
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
DESCRIPTION
Objective specification
CURRENT ( A)
10 (reset)
SAA7825
100
110
120
130
150
160
170
180
10
20
30
50
60
70
80