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WM8961 датащи(PDF) 13 Page - Wolfson Microelectronics plc

номер детали WM8961
подробное описание детали  Ultra-Low Power Stereo CODEC with 1W Stereo Class D Speaker Drivers and Ground Referenced Headphone Drivers
PDF  116 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8961 датащи(HTML) 13 Page - Wolfson Microelectronics plc

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WM8961
Pre-Production
w
PP, August 2009, Rev 3.1
13
Stereo Playback DAC to Headphones – Standard Headphone Playback with 16Ω load.
Test conditions
48kHz sample rate
Variant test conditions
AVDD
DVDD
SPKVDD
CPVDD
TOTAL
V
mA
V
mA
V
mA
V
mA
mW
Quiescent
1.8
1.79
1.8
1.56
5.0
0.002
1.86
1.775
9.39
Po = 2mW/channel
1.8
1.79
1.8
1.57
5.0
0.002
1.8
22.46
46.5
Po = 16mW/channel
1.8
1.82
1.8
1.57
5.0
0.002
1.8
59.8
114
Stereo Playback DAC to Headphones – SNR Optimised Headphone Playback with 16Ω load.
Test conditions
48kHz sample rate
Variant test conditions
AVDD
DVDD
SPKVDD
CPVDD
TOTAL
V
mA
V
mA
V
mA
V
mA
mW
Quiescent
1.8
2.1
1.8
1.72
5.0
0.002
1.8
1.46
9.52
Po = 2mW/channel
1.8
2.12
1.8
1.73
5.0
0.002
1.8
22.4
47.25
Po = 16mW/channel
1.8
2.14
1.8
1.73
5.0
0.002
1.8
59.4
114
Stereo Playback to Speaker - with 8.2Ω + 22uH load (see note 1).
Test conditions
48kHz sample rate
CLASSD_ACGAIN=111 (+12dB)
Variant test conditions
AVDD
DVDD
SPKVDD1+2
CPVDD
TOTAL
V
mA
V
mA
V
mA
V
mA
Quiescent
1.8
2.418
1.8
1.385
5.0
1.16
1.8
0.004
12.65mW
Po = 200mW/channel
1.8
2.438
1.8
1.525
5.0
102
1.8
0.004
517mW
Po = 1W/channel
1.8
2.458
1.8
1.750
5.0
480
1.8
0.004
2.4W
Note:
1. The load inductance will affect the efficiency: the Class D output is generally less efficient when driving a less inductive load.



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