參數(shù)資料
型號(hào): MCF53013CQT240
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: MICROPROCESSOR, PQFP208
封裝: 28 X 28 MM, ROHS COMPLIANT, LQFP-208
文件頁(yè)數(shù): 51/62頁(yè)
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
55
Figure 37. Voice Signal Frequency Response Requirements at the DAC Path
(VCOHPF=1, HPF and LPF Together)
5.20
Integrated Amplifiers
5.20.1
Speaker Amplifier
The speaker amplifier boosts the power from the DAC and drives the speaker. It also provides analog volume control to optimize
the noise performance of the entire channel. Table 35 shows the specifications for the speaker amplifier.
Table 35. Speaker Amplifier Specifications
Parameter
Conditions
Min
Typ
Max
Units
Quiescent Current
800
μA
Shutdown Current
TBD
Input Reference Offset
2
5
mV
Max Output Power
Fin = 1kHz, THD+N = 1%, RL = 4Ω
—600
mW
Total Harmonic Distortion (THD)
Gain = 0dB,
RL =4Ω, Fin = 1kHz
Full Power, 500mW
0.050
%
Half Power, 250mW
0.050
Gain = 0dB,
RL =4Ω, Fin = 4kHz
Full Power, 500mW
0.1
Half Power, 250mW
0.1
Integrated Output Noise
Gain = 0dB, BW = 20Hz – 20kHz
15
μV
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
-0.8dB
@ 3.4kHz
-23dB
@ 60Hz
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