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AT83SND2CMP3 датащи(PDF) 81 Page - ATMEL Corporation

номер детали AT83SND2CMP3
подробное описание детали  Single-Chip MP3 Decoder with Full Audio Interface
PDF  97 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT83SND2CMP3 датащи(HTML) 81 Page - ATMEL Corporation

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81
AT83SND2CMP3
7524B–MP3–05/06
DAC and PA
Electrical Specifications
PA
AUDVBAT = 3.6V, TA = 25°C unless otherwise noted.
High power mode, 100nF capacitor connected between CBP and AUDVSS, 470nF input
capacitors, Load = 8 ohms.
Figure 82. PA Specification
Figure 83. Maximum Dissipated Power Versus Power Supply
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
AUDVBAT
Supply Voltage
3.2
-
5.5
V
I
DD
Quiescent Current
Inputs shorted, no load
-
6
8
mA
I
DDstby
Standby Current
Capacitance
-
-
2
μA
V
CBP
DC Reference
-
AUDVBAT/2
-
V
VOS
Output differential offset
full gain
-20
0
20
mV
Z
IN
Input impedance
Active state
12K
20k
30k
W
Z
LFP
Output load
Full Power mode
6
8
32
W
Z
LLP
Output load
Low-Power mode
100
150
300
W
C
L
Capacitive load
-
-
100
pF
PSRR
Power supply rejection ratio
200 – 2kHz
Differential output
-60
-
dB
BW
Output Frequency bandwidth
1KHz reference frequency
3dB attenuation.
470nF input coupling capacitors
50
-
20000
Hz
t
UP
Output setup time
Off to on mode. Voltage already settled.
Input capacitors precharged
--
10
ms
V
N
Output noise
Max gain, A weighted
-
120
500
µV
RMS
THDHP
Output distortion
High power mode, V
DD = 3.2V, 1KHz,
Pout=100mW, gain=0dB
-50
-
dB
THDLP
Output distortion
Low power mode, VDD = 3.2V , 1KHz,
Vout= 100mVpp, Max gain, load 8 ohms in
serie with 200 ohms
-1
-
%
G
ACC
Overall Gain accuracy
-2
0
2
dB
G
STEP
Gain Step Accuracy
-0.7
0
0.7
dB



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