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參數(shù)資料
| 型號： | TCM129C16AN |
| 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： | 392K |
| 代理商： | TCM129C16AN |
TCM29C13A, TCM29C14A, TCM29C16A, TCM29C17A,
TCM129C13A, TC,129C14A, TCM129C16A, TCM129C17A
COMBINED SINGLE-CHIP PCMCODEC AND FILTER
SCTS030E – AUGUST 1989 – REVISED OCTOBER 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 (see Notes 4, 5, and 6)
(unless otherwise noted)
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
TA = 0
°
C to 70
°
C, Supplies =
±
5
%
Signal input per CCITT G.711,
Output signal = 1 kHz
TA = 0
°
C to 70
°
C, Supplies =
±
5%
±
±
dBm0
μ
Encoder milliwatt response (nominal supplies and temperature)
±
0.08
dB
Digital milliwatt response (receive tolerance gain) relative to
zero-transmission level point
±
±
dBm0
Digital milliwatt response variation with temperature and supplies
±
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)
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)
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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