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WM1811A Datasheet(PDF) 14 Page - Wolfson Microelectronics plc

Part # WM1811A
Description  Multi-Channel Audio Hub CODEC for Smartphones
PDF  328 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM1811A Datasheet(HTML) 14 Page - Wolfson Microelectronics plc

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WM1811A
Production Data
w
PD, November 2013, Rev 4.1
14
INPUT PIN RESISTANCE
Test Conditions
TA = +25
oC.
With the exception of the condition(s) noted above, the following electrical characteristics are valid across the full range of
recommended operating conditions.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
B1
PGA Input Resistance
Differential Mode
See note 5
See “Applications
Information” for details of
Input resistance at all
PGA Gain settings.
Gain = -16.5dB
(INnx_VOL=00h)
53
k
Gain = 0dB
(INnx_VOL=0Bh)
25
k
Gain = +30dB
(INnx_VOL=1Fh)
1.3
k
B2
PGA Input Resistance
Single-Ended Mode
See note 5
See “Applications
Information” for details of
Input resistance at all
PGA Gain settings.
Gain = -16.5dB
(INnx_VOL=00h)
58
k
Gain = 0dB
(INnx_VOL=0Bh)
36
k
Gain = +30dB
(INnx_VOL=1Fh)
2.5
k
B3
Line Input Resistance
See note 5
IN1LP to MIXINL, or
IN1RP to MIXINR
Gain = -12dB
(IN1xP_MIXINx_VOL=001)
56
k
IN1LP to MIXINL, or
IN1RP to MIXINR
Gain = 0dB
(IN1xP_MIXINx_VOL=101)
18
k
IN1LP to MIXINL, or
IN1RP to MIXINR
Gain = +6dB
(IN1xP_MIXINx_VOL=111)
9.8
k
IN1LP to MIXINL, or
IN1RP to MIXINR
Gain = +15dB
(IN1xP_MIXINx_VOL=111,
IN1xP_MIXINx_BOOST=1)
3.7
k
IN1LPto SPKMIXL, or
IN1RP to SPKMIXR
(SPKATTN = -12dB)
89
k
IN1LPto SPKMIXL, or
IN1RP to SPKMIXR
(SPKATTN = 0dB)
27
k
IN2LN, IN2RN, IN2LP or
IN2RP to MIXOUTL or
MIXOUTR
Gain = -9dB
(*MIXOUTx_VOL=011)
43
k
IN2LN,IN2RN, IN2LP or
IN2RP to MIXOUTL or
MIXOUTR
Gain = 0dB
18
k



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