參數(shù)資料
型號: HT82A850R
廠商: Holtek Semiconductor Inc.
英文描述: Audio MCU
中文描述: 音頻控制器
文件頁數(shù): 5/41頁
文件大?。?/td> 296K
代理商: HT82A850R
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
DAC+Power Amp
Test condition: Measurement bandwidth 20Hz to 20kHz, f
S
= 48kHz. Line output series capacitor with 220 F.
THD+N
THD+N
Note
5V
4
load
30
dB
8
load
35
SNR
DA
Signal to Noise Ratio
Note
5V
4
load
81
dB
8
load
82
DR
Dynamic Range
5V
4
load
87
dB
8
load
88
P
OUT
Output Power
5V
4
load, THD=10%
400
mW/ch
8
load, THD=10%
200
PCM ADC
SNR
AD
Signal to Noise Ratio
3.3V
77
dB
VAG
Reference Voltage
3.3V
1.12
V
V
PEAK
Peak Single Frequency Tone
Amplitude without Clipping
3.3V
1.575
V
PK
Note: Sine wave input at 1kHz, 6dB
A.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
f
SYS
System Clock (Crystal OSC)
3.3V
0.4
12
MHz
t
WDTOSC
Watchdog Oscillator Period
3.3V
100
s
t
RES
RESET Input Pulse Width
1
s
t
SST
System Start-up Timer Period
1024
t
SYS
t
INT
Interrupt Pulse Width
1
s
Note: t
SYS
=1/f
SYS
HT82A850R
Rev. 1.10
5
July 25, 2007
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