參數(shù)資料
型號(hào)： CXD3059AR
廠商： Sony Corporation
元件分類： 數(shù)字信號(hào)處理
英文描述： CD Digital Signal Processor with Built-in RF Amplifier and Digital Servo + Digital High & Bass Boost
中文描述： CD數(shù)字信號(hào)處理器具有內(nèi)置的RF放大器和數(shù)字伺服數(shù)字高
文件頁數(shù)： 1/27頁
文件大?。?/td> 337K
代理商： CXD3059AR
– 1 –
E03736-PS
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
CXD3059AR
120 pin LQFP (Plastic)
Description
The CXD3059AR is a digital signal processor LSI for CD
players. This LSI incorporates a RF amplifier and digital servo,
high & bass boost, 1-bit DAC and analog low-pass filter.
Features
All digital signal processing during playback is performed with
a single chip
Highly integrated mounting possible due to a built-in RF
amplifier
RF Block
Supports 4
×
speed playback CD
RF system equalizer
Supports pickup built-in RF summing amplifier
Gain level switch
TE balance adjustment function
Digital Signal Processor (DSP) Block
Supports CAV (Constant Angular Velocity) playback
Frame jitter free
0.5
×
to 4
×
speed continuous playback possible
Allows relative rotational velocity readout
Supports variable pitch playback
The bit clock, which strobes the EFM signal, is generated by
the digital PLL.
EFM data demodulation
Enhanced EFM frame sync signal protection
Refined super strategy-based powerful error correction
C1: double correction, C2: quadruple correction
Supported during 4
×
speed playback
Noise reduction during track jumps
Auto zero-cross mute
Subcode demodulation and subcode-Q data error detection
Digital spindle servo
16-bit traverse counter
Asymmetry correction circuit
CPU interface on serial bus
Error correction monitor signal, etc. output from CPU
interface
Servo auto sequencer
Fine search performs track jumps with high accuracy
Digital audio interface outputs
Digital level meter, peak meter
Bilingual compatible
VCO control mode
CD TEXT data demodulation
Digital Servo (DSSP) Block
Microcomputer software-based flexible servo control
Offset cancel function for servo error signal
Auto gain control function for servo loop
E:F balance, focus bias adjustment functions
Surf jump function supporting micro two-axis
Tracking filter: 6 stages,
Focus filter: 5 stages
Digital Filter, DAC and Analog Low-pass Filter Blocks
Digital dynamic bass boost and high boost
Bass Boost: 4th-order IIR 24dB/Oct
+10dB/+14dB/+18dB/+22dB
High Boost: Second-order IIR 12dB/Oct
+4dB/+6dB/+8dB/+10dB
Independent turnover frequency selection possible
Bass Boost: 125Hz/160Hz/200Hz
High Boost: 5kHz/7kHz
CD Digital Signal Processor with Built-in RF Amplifier and Digital Servo + Digital High & Bass Boost
Digital dynamics (compressor)
Volume increased by +5dB at low level
8
×
oversampling digital filter
(attenuation: 61dB, ripple within band: ±0.0075dB)
Digital signal output possible after boost
Serial data format selectable from (output)
20 bits/18 bits/16 bits (rearward truncation, MSB first)
Digital attenuation: –
∞
, –60 to +6dB, 2048 steps (linear)
Soft mute
Digital de-emphasis
High-cut filter
Applications
CD players
Structure
Silicon gate CMOS IC
Absolute Maximum Ratings
(Ta = 25°C)
Supply voltage 1
Input voltage 1
Output voltage 1
Supply voltage 2
V
DD
, XV
DD
V
I
1
V
O
1
IOV
DD
0 to 2, AV
DD
0 to 5
V
SS
– 0.5 to +3.5
V
SS
– 0.3 to V
DD
+ 0.3
V
SS
– 0.3 to V
DD
+ 0.3
V
V
V
IOV
SS
– 0.5 to +4.5
IOV
SS
– 0.3 to IOV
DD
+ 0.3 V
IOV
SS
– 0.3 to IOV
DD
+ 0.3 V
V
Input voltage 2
Output voltage 2
Storage temperature
V
I
2
V
O
2
Tstg
–55 to +150
°C
Supply voltage difference
IOV
SS
, AV
SS
, XV
SS
– V
SS
–0.3 to +0.3
–0.3 to +0.3
V
V
XV
DD
– V
DD
IOV
DD
, AV
DD
, XV
DD
– V
DD
–0.3 to +0.3
V
(IOV
DD
, AV
DD
, XV
DD
< 2.3V)
Recommended Operating Conditions
Supply voltage 1
Supply voltage 2
V
DD
, XV
DD
IOV
DD
0 to 2, AV
DD
0 to 5
2.5 ± 0.2
V
3.3 ± 0.3
V
Operating temperature
Topr
–20 to +75
°C
I/O Pin Capacitance
Input capacitance
Output capacitance C
O
I/O capacitance
Note)
Measurement conditions
C
I
7 (Max.)
7 (Max.)
7 (Max.)
pF
pF
pF
C
I/O
V
DD
= V
I
= 0V
f
M
= 1MHz
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