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STW5094AD/LF 데이터시트(PDF) 41 Page - STMicroelectronics

부품명 STW5094AD/LF
상세설명  18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec
PDF  52 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW5094AD/LF 데이터시트(HTML) 41 Page - STMicroelectronics

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VOICE CODEC ENVELOPE DELAY DISTORTION WITH FREQUENCY
VOICE CODEC NOISE
(*) 300 to 3400Hz bandwidth
VOICE CODEC CROSSTALK
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
DXA
Tx Delay, Absolute
f = 1600 Hz
320
µs
DXR
Tx Delay, Relative
f = 500 - 600 Hz
f = 600 - 800 Hz
f = 800 - 1000 Hz
f = 1000 - 1600 Hz
f = 1600 - 2600 Hz
f = 2600 - 2800 Hz
f = 2800 - 3000 Hz
290
180
50
20
55
80
180
µs
µs
µs
µs
µs
µs
µs
DRA
Rx Delay, Absolute
f = 1600 Hz
280
µs
DRR
Rx Delay, Relative
f = 500 - 600 Hz
f = 600 - 800 Hz
f = 800 - 1000 Hz
f = 1000 - 1600 Hz
f = 1600 - 2600 Hz
f = 2600 - 2800 Hz
f = 2800 - 3000 Hz
200
110
50
20
65
100
220
µs
µs
µs
µs
µs
µs
µs
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
NXP
Tx Noise, P weighted (up to 35dB) VMIC =0V, DE =0
-75
-70
dBm0p
NRP
Rx Noise, C-message weighted
8
Ω Load
(gain for max. undistorted output
level)
Receive PCM code = Zero, SI = 0,
RTE = 0 and
LSA=’0100’ (gain -2dB)
30
50
µVRMS
PSRTX
PSRR, Tx
MIC = 0V,
VCC =3.0 VDC + 50 mVRMS;
f = 100Hz to 50kHz
30
dB
PSRRX
PSRR, Rx
PCM Code equals Positive Zero,
VCC =3.0VDC + 50 mVRMS
f = 100 Hz - 4 kHz
f = 4 kHz - 50 kHz
30
30
dB
dB
SOS
Spurious Out-Band signal at the
output
Digital filter characteristics
4600 Hz - 5600 Hz
5600 Hz - 7600 Hz
7600 Hz - 8400 Hz
-40
-50
-50
dB
dB
dB
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
CTX-R
Transmit to Receive
Transmit Level = 0 dBm0,
f = 300 - 3400 Hz
DR = Quiet PCM Code
-100
-65
dB
CTR-X
Receive to Transmit
Receive Level = -6 dBm0,
f = 300 - 3400 Hz
MIC = 0V
-80
-65
dB



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