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WM8960 数据表(PDF) 9 Page - Wolfson Microelectronics plc

部件名 WM8960
功能描述  Stereo CODEC with 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications
PDF  92 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8960 数据表(HTML) 9 Page - Wolfson Microelectronics plc

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Production Data
WM8960
w
PD, August 2013, Rev 4.2
9
Test Conditions
DCVDD = 1.8V, DBVDD = 3.3V, AVDD = SPKVDD1 = SPKVDD2 = 3.3V, TA = +25
oC, 1kHz signal, fs = 48kHz, PGA gain = 0dB,
24-bit audio data unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Total Harmonic Distortion Plus
Noise
(LINPUT3 and RINPUT3 to
speaker outputs)
THD+N
PO =200mW, RL = 8,
SPKVDD1=SPKVDD2
=3.3V; AVDD=3.3V
-78
0.013
dB
%
PO =320mW, RL = 8,
SPKVDD1=SPKVDD2
=3.3V; AVDD=3.3V
-72
0.025
dB
%
PO =500mW, RL = 8,
SPKVDD1=SPKVDD2
=5V; AVDD=3.3V
-75
0.018
dB
%
PO =1W, RL = 8,
SPKVDD1=SPKVDD2
=5V; AVDD=3.3V
-70
0.032
dB
%
Signal to Noise Ratio
(A-weighted)
(DAC to speaker outputs)
SNR
SPKVDD1=SPKVDD2
=3.3V; AVDD=3.3V;
RL = 8, ref=2.0Vrms
90
dB
SPKVDD1=SPKVDD2
=5V; AVDD=3.3V;
RL = 8, ref=2.8Vrms
92
dB
Signal to Noise Ratio
(A-weighted)
(LINNPUT3 and RINPUT3 to
speaker outputs)
SNR
SPKVDD1=SPKVDD2
=3.3V; AVDD=3.3V;
RL = 8, ref=2.0Vrms
90
dB
SPKVDD1=SPKVDD2
=5V; AVDD=3.3V;
RL = 8, ref=2.8Vrms
92
dB
Speaker Supply Leakage current
ISPKVDD
SPKVDD1=SPKVDD2
=5V;
All other supplies
disconnected
1
uA
SPKVDD1=SPKVDD2
=5V;
All other supplies 0V
1
uA
Power Supply Rejection Ratio
(100mV ripple on
SPKVDD1/SPKVDD2 @217Hz)
PSRR
DAC to speaker playback
80
dB
L/RINPUT3 to speaker
playback
80
dB
Analogue Reference Levels
Midrail Reference Voltage
VMID
–3%
AVDD/2
+3%
V
Microphone Bias
Bias Voltage
VMICBIAS
3mA load current
MBSEL=1
–5%
0.9
AVDD
+ 5%
V
3mA load current
MBSEL=0
–5%
0.65
AVDD
+ 5%
V
Bias Current Source
IMICBIAS
3
mA
Output Noise Voltage
Vn
1K to 20kHz
15
nV/
Hz
Digital Input / Output
Input HIGH Level
VIH
0.7
DBVDD
V
Input LOW Level
VIL
0.3
DBVDD
V
Output HIGH Level
VOH
IOL=1mA
0.9
DBVDD
V
Output LOW Level
VOL
IOH=-1mA
0.1
DBVDD
V
Input capacitance
10
pF
Input leakage
-0.9
0.9
uA



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