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WM8959 датащи(PDF) 16 Page - Wolfson Microelectronics plc

номер детали WM8959
подробное описание детали  Mobile Multimedia DAC with Dual-Mode Class AB/D Speaker Driver
PDF  155 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8959 датащи(HTML) 16 Page - Wolfson Microelectronics plc

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WM8959
Pre-Production
w
PP, May 2008, Rev 3.1
16
Test Conditions
DCVDD = 1.8V, DBVDD = 3.3V, AVDD = HPVDD = 3.3V, SPKVDD = 5V, TA = +25
oC, 1kHz signal, fs = 48kHz,
PGA gain = 0dB, 24-bit audio data unless otherwise stated.
Bypass Path Performance (Line Outputs 10k
Ω / 50pF load, Headphone Outputs 16Ω load, Speaker Output 8Ω BTL load)
SNR (A-weighted)
110
dB
THD (PO=20mW)
-72
dB
THD+N (PO=20mW)
-70
dB
THD (PO=5mW)
-68
dB
THD+N (PO=5mW)
-66
dB
AVDD PSRR (217Hz)
80
dB
HPVDD PSRR (217Hz)
90
dB
DC Offset at Load
Differential Input
on RXP/RXN to
Differential
Output on
OUT3/OUT4,
AVDD=HPVDD=
3.3V
5
mV
SNR (A-weighted)
108
dB
THD (PO=20mW)
-70
dB
THD+N (PO=20mW)
-68
dB
THD (PO=5mW)
-67
dB
F1
THD+N (PO=5mW)
Differential Input
on RXP/RXN to
Differential
Output on
OUT3/OUT4,
AVDD=HPVDD=
2.7V
-65
dB
SNR (A-weighted)
100
dB
THD (PO=20mW)
-77
dB
THD+N (PO=20mW)
-75
dB
THD (PO=5mW)
-73
dB
THD+N (PO=5mW)
-71
dB
AVDD PSRR (217Hz)
45
dB
HPVDD PSRR (217Hz)
RXVOICE via
LOMIX or
ROMIX to
Headphone
Outputs,
AVDD=HPVDD=
3.3V
85
dB
SNR (A-weighted)
98
dB
THD (PO=20mW)
-74
dB
THD+N (PO=20mW)
-72
dB
THD (PO=5mW)
-72
dB
F2
THD+N (PO=5mW)
RXVOICE via
LOMIX or
ROMIX to
Headphone
Outputs,
AVDD=HPVDD=
2.7V
-70
dB
SNR (A-weighted)
93
dB
THD (PO=0.5W)
-87
dB
THD+N (PO=0.5W)
-85
dB
THD (PO=1.0W)
-81
dB
THD+N (PO=1.0W)
-79
dB
AVDD PSRR (217Hz)
45
dB
SPKVDD PSRR(217Hz)
Line Input to
SPKMIX,
AVDD=3.3V,
SPKVDD=5V,
ACGAIN=
DCGAIN=1.52,
Class D Mode
80
dB
SNR (A-weighted)
91
101
dB
THD (PO=0.5W)
-78
-70
dB
THD+N (PO=0.5W)
-76
-68
dB
THD (PO=1.0W)
-76
-66
dB
THD+N (PO=1.0W)
-74
-64
dB
AVDD PSRR (217Hz)
45
dB
SPKVDD PSRR(217Hz)
80
dB
F3
DC Offset at Load
Line Input to
SPKMIX,
AVDD=3.3V,
SPKVDD=5V,
Class AB Mode
5
mV



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