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參數(shù)資料
| 型號(hào)： | TCM129C14 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | Codec |
| 英文描述： | Single-Chip PCM Codecs And Filters(組合編碼譯碼器/濾波器，模擬環(huán)路) |
| 中文描述： | 單芯片的PCM編解碼器和過(guò)濾器（組合編碼譯碼器/濾波器，模擬環(huán)路） |
| 文件頁(yè)數(shù)： | 8/25頁(yè) |
| 文件大?。?/td> | 556K |
| 代理商： | TCM129C14 |
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TCM29C13, TCM29C14, TCM29C16, TCM29C17,
TCM129C13, TCM129C14, TCM129C16, TCM129C17
COMBINED SINGLE-CHIP PCM CODEC AND FILTER
SCTS011G – APRIL 1986 – REVISED JULY 1996
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
noise over recommended ranges of supply voltage and operating free-air temperature range
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
Transmit noise, C-message weighted
ANLG IN+ = ANLG GND,
ANLG IN– = GSX
15
dBrnC0
Transmit noise, C-message weighted with 8-bit-
signaling (TCM29C14 and TCM129C14 only)
ANLG IN+ = ANLG GND,
6th frame signaling
ANLG IN– = GSX,
18
dBrnC0
Transmit noise, psophometrically weighted
ANLG IN+ = ANLG GND,
PCM IN = 11111111 (
μ
-law),
(A-law), measured at PWRO+
ANLG IN– = GSX
–69
dBm0p
Receive noise, C-message-weighted quiet code
PCM IN = 10101010
11
dBrnC0
Receive noise, C-message-weighted sign bit toggled
Input to PCM IN is zero code with sign bit toggled at
1-kHz rate
12
dBrmC0
Receive noise, psophometrically weighted
PCM = lowest positive decode level
–79
dBm0p
power-supply rejection ratio and crosstalk attenuation over recommended ranges of supply
voltage and operating free-air temperature
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VCC supply-voltage rejection ratio,
VCC supply voltage rejection ratio,
transmit channel
0
≤
f < 30 kHz
Idle channel,
Supply signal = 200 mV(peak to peak)
Supply signal = 200 mV(peak-to-peak),
f measured at PCM OUT
–30
dB
30
≤
f < 50 kHz
–45
VBB supply-voltage rejection ratio,
VBB supply voltage rejection ratio,
transmit channel
0
≤
f < 30 kHz
Idle channel,
Supply signal = 200 mV(peak to peak)
Supply signal = 200 mV(peak-to-peak),
f measured at PCM OUT
–30
dB
30
≤
f < 50 kHz
–55
VCC supply-voltage rejection ratio,
VCC supply voltage rejection ratio,
receive channel (single ended)
0
≤
f < 30 kHz
Idle channel,
Supply signal = 200 mV(peak to peak)
Supply signal = 200 mV(peak-to-peak),
f measured at PWRO+
–20
dB
30
≤
f < 50 kHz
–45
VBB supply-voltage rejection ratio,
VBB supply voltage rejection ratio,
receive channel (single ended)
0
≤
f < 30 kHz
Idle channel,
Supply signal = 200 mV(peak to peak)
Supply signal = 200 mV(peak-to-peak),
Narrow band,
–20
dB
30
≤
f < 50 kHz
f measured at PWRO+
–45
Crosstalk attenuation, transmit to receive
(single ended)
ANLG IN+ = 0 dBm0,
Unity gain,
PCM IN = lowest decode level,
Measured at PWRO+
f = 1.02 kHz,
71
dB
Crosstalk attenuation, receive to transmit
(single ended)
All typical values are at VBB = –5 V, VCC = 5 V, and TA = 25
°
C.
PCM IN = 0 dBm0,
Measured at PCM OUT
f = 1.02 kHz,
71
dB
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參數(shù)描述 |
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| TCM129C14DW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:COMBINED SINGLE-CHIP PCM CODEC AND FILTER |
| TCM129C16 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:COMBINED SINGLE-CHIP PCM CODEC AND FILTER |
| TCM129C16A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:COMBINED SINGLE-CHIP PCM CODEC AND FILTER |
| TCM129C16ADW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:COMBINED SINGLE-CHIP PCM CODEC AND FILTER |
| TCM129C16AN | 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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