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WM8960GEFL/V Datasheet(PDF) 9 Page - Wolfson Microelectronics plc

Part # WM8960GEFL/V
Description  Stereo CODEC with 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications
PDF  88 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8960GEFL/V Datasheet(HTML) 9 Page - Wolfson Microelectronics plc

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Preliminary Technical Data
WM8960
w
PTD, September 2006, Rev 2.0
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
PO =200mW, RL = 8
Ω,
SPKVDD1=SPKVDD2
=3.3V; AVDD=3.3V
0.01
-80
%
dB
PO =320mW, RL = 8
Ω,
SPKVDD1=SPKVDD2
=3.3V; AVDD=3.3V
0.03
-72
%
dB
PO =500mW, RL = 8
Ω,
SPKVDD1=SPKVDD2
=5V; AVDD=3.3V
0.011
-79
%
dB
Total Harmonic Distortion Plus
Noise
(LINPUT3 and RINPUT3 to
speaker outputs)
THD+N
PO =1W, RL = 8
Ω,
SPKVDD1=SPKVDD2
=5V; AVDD=3.3V
0.03
-71
%
dB
SPKVDD1=SPKVDD2
=3.3V; AVDD=3.3V;
RL = 8
Ω, ref=2.0Vrms
90
dB
Signal to Noise Ratio
(A-weighted)
(DAC to speaker outputs)
SNR
SPKVDD1=SPKVDD2
=5V; AVDD=3.3V;
RL = 8
Ω, ref=2.8Vrms
92
dB
SPKVDD1=SPKVDD2
=3.3V; AVDD=3.3V;
RL = 8
Ω, ref=2.0Vrms
90
dB
Signal to Noise Ratio
(A-weighted)
(LINNPUT3 and RINPUT3 to
speaker outputs)
SNR
SPKVDD1=SPKVDD2
=5V; AVDD=3.3V;
RL = 8
Ω, ref=2.8Vrms
92
dB
SPKVDD1=SPKVDD2
=5V;
All other supplies
disconnected
1
uA
Speaker Supply Leakage current
ISPKVDD
SPKVDD1=SPKVDD2
=5V;
All other supplies 0V
1
uA
DAC to speaker playback
80
dB
Power Supply Rejection Ratio
(100mV ripple on
SPKVDD1/SPKVDD2 @217Hz)
PSRR
L/RINPUT3 to speaker
playback
80
dB
Analogue Reference Levels
Midrail Reference Voltage
VMID
–3%
AVDD/2
+3%
V
Buffered Reference Voltage
VREF
–3%
AVDD/2
+3%
V
Microphone Bias
3mA load current
MBSEL=1
–5%
0.9
×AVDD
+ 5%
V
Bias Voltage
VMICBIAS
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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