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參數(shù)資料
| 型號： | TCM129C17 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | Codec |
| 英文描述： | COMBINED SINGLE-CHIP PCM CODEC AND FILTER |
| 中文描述： | 聯(lián)合單芯片的PCM編解碼器和過濾器 |
| 文件頁數(shù)： | 7/25頁 |
| 文件大小： | 389K |
| 代理商： | TCM129C17 |
TCM29C13, TCM29C14, TCM29C16, TCM29C17,
TCM129C13, TCM129C14, TCM129C16, TCM129C17
COMBINED SINGLE-CHIP PCMCODEC AND FILTER
SCTS011H – APRIL 1986 – REVISED JULY 1996
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
gain and dynamic range, V
CC
= 5 V, V
BB
= 5 V, T
A
= 25
°
C (unless otherwise noted)
(see Notes 4, 5, and 6)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Encoder milliwatt response (transmit gain tolerance)
Signal input = 1.064 Vrms for
-law,
Signal input = 1.068 Vrms for A-law
±
±
dBm0
μ
Encoder milliwatt response additional tolerance
(nominal supplies and temperature)
TA = 0
°
C to 70
°
C,
Supplies =
±
5
%
±
0.08
dB
Digital milliwatt response (receive tolerance gain)
relative to zero-transmission-level point
Signal input per CCITT G.711,
Output signal = 1 kHz
±
±
dBm0
Digital milliwatt response variation with temperature
and supplies
TA = 0
°
C to 70
°
C,
Supplies =
±
5%
±
0.08
dB
μ
-law
A-law
μ
-law
A-law
μ
-law
A-law
μ
-law
A-law
RL= 600
RL = 600
2.76
Zero-transmission-level point, transmit channel
(0 dBm0)
2.79
dBm
RL= 900
RL = 900
1
1.03
RL= 600
RL = 600
5.76
Zero-transmission-level point, receive channel
(0 dBm0)
5.79
dBm
RL= 900
RL = 900
4
4.03
NOTES: 4. Unless otherwise noted, the analog input is a 0-dBm0, 1020-Hz sine wave, where 0 dBm0 is defined as the zero-reference point of
the channel under test. This corresponds to an analog signal input of 1.064 Vrms or an output of 1.503 Vrms.
5. The input amplifier is set for noninverting unity gain. The digital input is a PCM bit stream generated by passing a 0-dBm0, 1020-Hz
sine wave through an ideal encoder.
6. Receive output is measured single ended in the maximum gain configuration. To set the output amplifier for maximum gain, GSR is
connected to PWRO– and the output is taken at PWRO+. All output levels are (sin x)/x corrected.
gain tracking over recommended ranges of supply voltage and operating free-air temperature,
reference level = –10 dBm0
PARAMETER
TEST CONDITIONS
3
≥
input level
≥
–40 dBm0
–40 > input level
≥
–50 dBm0
–50 > input level
≥
–55 dBm0
3
≥
input level
≥
–40 dBm0
–40 > input level
≥
–50 dBm0
–50 > input level
≥
–55 dBm0
MIN
MAX
±
0.25
±
0.5
±
1.2
±
0.25
±
0.5
±
1.2
UNIT
Transmit gain-tracking error, sinusoidal input
dB
Receive gain-tracking error, sinusoidal input
dB
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| TCM129C17DW | COMBINED SINGLE-CHIP PCM CODEC AND FILTER |
| TCM129C17N | COMBINED SINGLE-CHIP PCM CODEC AND FILTER |
| TCM129C18 | ANALOG INTERFACE FOR DSP |
| TCM129C19 | ANALOG INTERFACE FOR DSP |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TCM129C17A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:COMBINED SINGLE-CHIP PCM CODEC AND FILTER |
| TCM129C17ADW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:COMBINED SINGLE-CHIP PCM CODEC AND FILTER |
| TCM129C17AN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:COMBINED SINGLE-CHIP PCM CODEC AND FILTER |
| TCM129C17DW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:COMBINED SINGLE-CHIP PCM CODEC AND FILTER |
| TCM129C17N | 制造商:TI 制造商全稱:Texas Instruments 功能描述:COMBINED SINGLE-CHIP PCM CODEC AND FILTER |
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