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WM8960CGEFL/V Datasheet(PDF) 10 Page - Cirrus Logic

Part # WM8960CGEFL/V
Description  Speaker and Headphone Drivers for Portable Audio Applications
PDF  94 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8960CGEFL/V Datasheet(HTML) 10 Page - Cirrus Logic

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WM8960
10
Rev 4.4
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
Headphone Output (HP_L, HP_R, using capacitors unless otherwise specified)
Output Power per channel
PO
Output power is very closely correlated with THD; see below.
Total Harmonic Distortion Plus
Noise
THD+N
AVDD=2.7V, RL=32
PO=5mW
-78
0.013
dB
%
AVDD=2.7V, RL=16
PO=5mW
-75
0.018
AVDD=3.3V, RL=32
,
PO=20mW
-72
0.025
AVDD=3.3V, RL=16
,
PO=20mW
-70
0.032
Signal to Noise Ratio
(A-weighted)
SNR
AVDD = 3.3V
92
99
dB
AVDD = 2.7V
98
Speaker Outputs (DAC to SPK_LP, SPK_LN, SPK_RP, SPK_RN with 8
 bridge tied load)
Output Power
PO
Output power is very closely correlated with THD; see below
Total Harmonic Distortion Plus
Noise
(DAC 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
%
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



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