參數(shù)資料
型號： STW5094ADT/LF
廠商： STMICROELECTRONICS
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 18-BIT DAC, PBGA36
封裝： 6 X 6 MM, 1.2 MM HEIGHT, TFBGA-36
文件頁數(shù)： 35/52頁
文件大小： 596K
代理商： STW5094ADT/LF
39/51
VOICE CODEC AMPLITUDE RESPONSE (continued)
Receive path
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
GRAHPL
GRAHPR
GRALS
Receive Gain Absolute Accuracy
Receive gain programmed for
maximum
Apply -6 dBm0 PCM code to DR
Measure HPL, HPR, LSP-LSN
-0.5
0.5
dB
GRAGHPL
GRAGHPR
GRAGLS
Receive Gain Variation with
programmed gain
Measure HPL, HPR, LSP-LSN
Gain over the range from
Maximum to minimum setting.
Calculate the deviation from the
programmed gain relative to GRA,
i.e. GRAGLS =G actual - G prog. - GRALS
-0.5
0.5
dB
GRAT
Receive Gain Variation with
temperature
Measured relative to GRA.
(HPL, HPR and LSP-LSN)
min. gain < GR < Max. gain
-0.1
0.1
dB
GRAV
Receive Gain Variation with
Supply
Measured relative to GRA.
(HPL, HPR and LSP-LSN)
GR = Maximum Gain
-0.1
0.1
dB
GRAF8
Receive Gain Variation with
frequency
(HPL, HPR and LSP-LSN)
FS frequency = 8kHz (VFS=0).
High Pass Filter enabled
(HPB = 0).
Digital filter characteristics
f=60Hz
f = 100Hz
f = 200 Hz
f = 300 Hz
f = 400 Hz to 3000 Hz
f = 3400 Hz
f = 4000 Hz
-1.5
-0.5
-1.5
-20
-12
-2
0.5
0.0
-14
dB
Receive Gain Variation with
frequency
(HPL, HPR and LSP-LSN)
FS frequency = 8kHz (VFS=0).
High Pass Filter disabled
(HPB = 1).
Digital filter characteristics
f=50Hz
f = 100 Hz to 3000 Hz
f = 3400 Hz
f = 4000 Hz
-1.5
-0.5
-1.5
0.5
0.0
-14
dB
GRAF16
Receive Gain Variation with
frequency
(HPL, HPR and LSP-LSN)
FS frequency = 16kHz (VFS=1).
Digital filter characteristics
f = 100Hz
f = 200 Hz to 6000 Hz
f = 6800 Hz
f = 8000 Hz
-1.5
-0.5
-1.5
0.5
0.0
-14
dB
GRALHPL
GRALHPR
GRALLS
Receive Gain Variation with signal
level
(HPL, HPR and LSP-LSN)
Sinusoidal Test Method
Reference Level = -10 dBm0
DR = -40 dBm0 to -3 dBm0
DR = -50 dBm0 to -40 dBm0
DR = -55 dBm0 to -50 dBm0
-0.5
-1.2
0.5
1.2
dB
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