參數(shù)資料
型號: STW5094
廠商: 意法半導(dǎo)體
元件分類: Codec
英文描述: 18 BIT 8kHz TO 48kHz LOW POWER STEREO AUDIO DAC WITH INTEGRATED POWER AMPLIFIERS AND VOICE CODEC
中文描述: 18位8kHz至48kHz的低功耗立體聲音頻DAC,具有集成功率放大器和語音編解碼器
文件頁數(shù): 28/37頁
文件大?。?/td> 447K
代理商: STW5094
STw5094
28/37
ENVELOPE DELAY DISTORTION WITH FREQUENCY
NOISE
CROSSTALK
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
DXA
Tx Delay, Absolute
f = 1600 Hz
320
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
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
DRA
Rx Delay, Absolute
f = 1600 Hz
280
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
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
NXP
Tx Noise, P weighted (up to
35dB)
V
MIC
= 0V, DE = 0
-75
-70
dBm0p
NRP
Rx Noise, C-message weighted
8
Load
(gain for max. undistorted output
level)
Receive PCM code = Zero,
SI = 0, RTE = 0 and
LSA=’0100’ (gain -2dB)
30
50
μ
V
RMS
PSRTX
PSRR, Tx
MIC = 0V,
V
CC
= 3.0 V
DC
+ 50 mV
RMS
;
f = 100Hz to 50kHz
30
dB
PSRRX
PSRR, Rx
PCM Code equals Positive Zero,
V
CC
= 3.0V
DC
+ 50 mV
RMS
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
CT
X-R
Transmit to Receive
Transmit Level = 0 dBm0,
f = 300 - 3400 Hz
DR = Quiet PCM Code
-100
-65
dB
CT
R-X
Receive to Transmit
Receive Level = -6 dBm0,
f = 300 - 3400 Hz
MIC = 0V
-80
-65
dB
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