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WM9093ECS/R Datasheet(PDF) 9 Page - Wolfson Microelectronics plc

No. de pieza WM9093ECS/R
Descripción Electrónicos  Ultra Low Power Audio Subsystem
PDF  84 Pages
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Fabricante Electrónico  WOLFSON [Wolfson Microelectronics plc]
Página de inicio  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9093ECS/R Datasheet(HTML) 9 Page - Wolfson Microelectronics plc

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Production Data
WM9093
w
PD, March 2012, Rev 4.2
9
Test Conditions
SVDD = 3.6V, HPVDD=1.8V, GND=0V, TA = +25
oC, 1kHz signal, PGA gain = 0dB unless otherwise stated
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Speaker Driver Class D Audio Performance (RL=8 + 10H BTL)
SNR (A-weighted)
Speaker Boost = 6dB
82
92
dB
THD (PO=500mW)
Speaker Boost = 6dB
-75
dB
THD+N (PO=500mW)
Speaker Boost = 6dB
-73
dB
PSRR
HPVDD with 100mVpk-pk at 217Hz (Note 1)
75
dB
SVDD with 100mVpk-pk at 217Hz
70
dB
DC Offset at Load
5
mV
Efficiency
Speaker Boost = 6dB, 0dBFS input
80
89
%
Output Power
SVDD=5.0V, THD+N ≤ 1%,
Speaker Boost = 12dB
1300
mW
SVDD=4.2V, THD+N ≤ 1%,
Speaker Boost = 9dB
950
mW
SVDD=3.6V, THD+N ≤ 1%,
Speaker Boost = 6dB
650
mW
Quiescent Current
3
mA
IN3 Differential Voice Bypass to Earpiece Driver Class AB (RL=8 + 10H BTL)
SNR (A-weighted)
0.56Vrms input with Speaker Boost = 0dB gain
98
dB
THD (PO=30mW)
-68
dB
THD+N (PO=30mW)
-66
dB
PSRR
HPVDD with 100mVpk-pk at 217Hz (Note 1)
90
dB
SVDD with 100mVpk-pk at 217Hz
85
dB
DC Offset at Load
2
mV
Output Power
THD+N ≤ 1%
160
mW
Quiescent Current
1
mA
Leakage Currents
SVDD Leakage Current
0.2
A
HPVDD Leakage Current
VMID_ENA = 0, VMID_BUF_ENA = 0, and
TSHUT_ENA = 0
1
A
Analogue Reference Levels
BIAS Midrail Reference Voltage
-3%
HPVDD
/2
+3%
V
Charge Pump
Start-up Time
500
s
Supply Voltage
1.71
2.0
V
CPVDD
Normal mode
HPVDD
V
Low power mode
HPVDD
/2
V
CPVSS
Normal mode
-HPVDD
V
Low power mode
-HPVDD
/2
V
Flyback Capacitor
(between CP and CN)
at 2V
1
2.2
F
CPVDD Capacitor
at 2V
2
2.2
F
CPVSS Capacitor
at 2V
2
2.2
F



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