参数资料
型号: MCF53013CQT240
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: MICROPROCESSOR, PQFP208
封装: 28 X 28 MM, ROHS COMPLIANT, LQFP-208
文件页数: 47/62页
文件大小: 2365K
代理商: MCF53013CQT240
Preliminary Electrical Characteristics
MCF5301x Data Sheet, Rev. 5
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
51
Figure 35. Voice Signal Frequency Response Requirements at the ADC Path
(VCIHPF=1, HPF and LPF Together)
5.19.2
Voice Codec DAC Specifications
Voice-decoding function includes frequency ripple compensation, interpolation, digital-to-analog conversion, and anti-imaging
filter. The input signal for the voice-decoding function is in linear 16-bit two’s compliment PCM words at an 8 kHz or 8.1 kHz
rate. Table 34 shows the voice decoding specifications.
Table 34. Voice Codec DAC Specifications1
Parameter
Condition
Min
Typ
Max
Units
Output Level
+3dbm02 (clipping level) on an
individual differential output pin
(CODEC_DACP or CODEC_DACN)
VAG–0.5
VAG+0.5
V
Output Source Impedance
10k
Ω Load
100
Ω
Output Power Supply Rejection
Ratio
20Hz to 100kHz with 100 mVrms,
noise applied to AVDD
(CODEC_REGBYP)
50
60
dBa
Absolute Gain
0dBm0@1.02kHz
–1.0
1.0
dB
Gain vs. Signal
–10dBm0@1.02kHz
+3 to –40dBm0
–40 to –50dB
–50 to –55dBm0
–0.25
–1.2
–1.3
0.25
1.2
1.3
dB
20
30
40
50
70
100
200
300 400 500
700
1000
2000
3000 40005000
8000
-38
-35
-30
-25
-20
-15
-10
-5
0
4
Hz
dB
-35dB
@ 4.6kHz
-14dB
@ 4.0kHz
+0.1dB
@ 3.4kHz
+0.5dB @ 3.0kHz
+0.5dB @ 300Hz
-0.5dB
@ 200Hz
-25dB
@ 50Hz
-8.0dB
@ 200Hz
-0.5dB
@ 300Hz
-0.5dB
@ 3.0kHz
-1.0dB
@ 3.4kHz
-23dB
@ 60Hz
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