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WM8993 Folha de dados(PDF) 12 Page - Wolfson Microelectronics plc

Nome de Peças WM8993
Descrição Electrónicos  Audio Hub CODEC for Multimedia Phones
PDF  229 Pages
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Fabricante Electrônico  WOLFSON [Wolfson Microelectronics plc]
Página de início  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8993 Folha de dados(HTML) 12 Page - Wolfson Microelectronics plc

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WM8993
Production Data
w
PD, November 2010, Rev 4.0
12
Test Conditions
DCVDD = 1.2V, AVDD2 = DBVDD = CPVDD = 1.8V, AVDD1 = 3.0V, SPKVDD = 5V, DGND=AGND=CPGND=SPKGND=0V,
TA = +25
oC, 1kHz sinusoidal signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Analogue Input Pin Impedances (IN1LN, IN1LP, IN2LN, IN2LP, IN1RN, IN1RP, IN2RN, IN2RP)
B1
PGA Input Resistance
Differential Mode
Note 4
See “Applications
Information” for details
of Input resistance at all
PGA Gain settings.
PGA Gain = -16.5dB
52.5
k
Ω
PGA Gain = 0dB
25.1
k
Ω
PGA Gain = +30dB
1.3
k
Ω
B2
PGA Input Resistance
Single-Ended Mode
Note 4
See “Applications
Information” for details
of Input resistance at all
PGA Gain settings.
PGA Gain = -16.5dB
58.0
k
Ω
PGA Gain = 0dB
36.2
k
Ω
PGA Gain = +30dB
2.5
k
Ω
B3
Line Input Resistance
Note 4
IN1LP or IN1RP to INMIXL
or INMIXR (-12dB)
56.0
k
Ω
IN1LP or IN1RP to INMIXL
or INMIXR (0dB)
17.4
k
Ω
IN1LP or IN1RP to INMIXL
or INMIXR (+6dB)
9.8
k
Ω
IN1LP to SPKMIXL or
IN1RP to SPKMIXR
(SPKATTN = -12dB)
88.5
k
Ω
IN1LP to SPKMIXL or
IN1RP to SPKMIXR
(SPKATTN = 0dB)
26.7
k
Ω
IN2LN, IN2RN, IN2LP or
IN2RP to MIXOUTL or
MIXOUTR
(-21dB)
150.9
k
Ω
IN2LN, IN2RN, IN2LP or
IN2RP to MIXOUTL or
MIXOUTR
(0dB)
18.2
k
Ω
VRXP-VRXN via RXVOICE
to MIXINL or MIXINR
(Gain = -12dB)
47.7
k
Ω
VRXP-VRXN via RXVOICE
to MIXINL or MIXINR
(Gain = 0dB)
12.0
k
Ω
VRXP-VRXN via RXVOICE
to MIXINL or MIXINR
(Gain = +6dB)
6.0
k
Ω



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