參數(shù)資料
型號(hào): STW5094AD/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(yè)數(shù): 38/52頁(yè)
文件大小: 596K
代理商: STW5094AD/LF
42/51
VOICE CODEC DISTORTION
Transmit path
(*) The limit curve shall be determined by straight lines joining successive coordinates given in the table.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
STDX
(*)
Signal to Total Distortion
(up to 35dB gain)
FS frequency = 8kHz.
Typical values are measured with
30.5dB gain
Sinusoidal Test Method
(measured using linear 300 Hz to
3400 Hz weighting) FSS = 0
Level = +3 dBm0
Level = 0 dBm0
Level = -6 dBm0
Level = -10 dBm0
Level = -20 dBm0
Level = -30 dBm0
Level = -40 dBm0
Level = -45 dBm0
Level = -55 dBm0
68
64
59
49
40
30
25
15
75
73
68
64
54
44
34
29
19
dB
Signal to Total Distortion
FS frequency = 16kHz.
Typical values are measured with
30.5dB gain
Sinusoidal Test Method
(measured using linear 300 Hz to
6800 Hz weighting) FSS = 1
Level = +3 dBm0
Level = 0 dBm0
Level = -6 dBm0
Level = -10 dBm0
Level = -20 dBm0
Level = -30 dBm0
Level = -40 dBm0
Level = -45 dBm0
Level = -55 dBm0
72
70
65
61
51
41
31
26
16
dB
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