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WM8281ECS/R Scheda tecnica(PDF) 17 Page - Cirrus Logic

Il numero della parte WM8281ECS/R
Spiegazioni elettronici  Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation
PDF  392 Pages
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Produttore elettronici  CIRRUS [Cirrus Logic]
Homepage  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8281ECS/R Scheda tecnica(HTML) 17 Page - Cirrus Logic

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WM8281
Rev 4.0
17
Test Conditions
The following electrical characteristics are valid across the full range of recommended operating conditions.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Line / Headphone / Earpiece Output Driver (HPOUTnL, HPOUTnR)
Load resistance
Normal operation,
Single-ended mode
6
Ω
Normal operation,
Differential (BTL) mode
15
Device survival with load
applied indefinitely
0
Load capacitance
Direct connection,
Single-ended mode
500
pF
Direct connection,
Differential (BTL) mode
200
Connection via 16
Ω
series resistor
2
nF
Speaker Output Driver (SPKOUTLP+SPKOUTLN, SPKOUTRP+SPKOUTRN)
Load resistance
Normal operation
4
Ω
Device survival with load
applied indefinitely
0
Load capacitance
200
pF
Test Conditions
DBVDD1 = DBVDD2 = DBVDD3 = CPVDD = AVDD = 1.8V,
DCVDD = 1.2V (powered from LDO1), MICVDD = 2.5V (powered from LDO2), SPKVDDL = SPKVDDR = 4.2V,
TA = +25ºC, 1kHz sinusoid signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Line / Headphone / Earpiece Output Driver (HPOUTnL, HPOUTnR)
DC offset at Load
Single-ended mode
0.1
mV
Differential (BTL) mode
0.2
Speaker Output Driver (SPKOUTLP+SPKOUTLN, SPKOUTRP+SPKOUTRN)
DC offset at Load
10
mV
SPKVDD leakage current
1
µA



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