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參數(shù)資料
| 型號： | TCM38C17 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | QComboE FOUR-CHANNEL QUAD PCM COMBO |
| 中文描述： | QComboE四通道的Quad的PCM組合 |
| 文件頁數(shù)： | 6/22頁 |
| 文件大?。?/td> | 314K |
| 代理商： | TCM38C17 |
TCM38C17IDL
QCombo
FOUR-CHANNEL (QUAD) PCMCOMBO
SLWS040C – JUNE 1996 – REVISED OCTOBER 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
transmit and receive gain and dynamic range, V
DD
= 5 V, T
A
= 25
°
C (see Notes 4, 5, and 6)
PARAMETER
TEST CONDITION
MIN
TYP
±
0.1
MAX
±
0.18
UNIT
Encoder milliwatt response (transmit gain tolerance)
Signal input = 0 dBm0
dBm0
Encoder milliwatt response variation with temperature and
power supplies
TA = –40
°
C to 85
°
C, Supplies =
±
5%
±
0.08
dB
Digital milliwatt response (receive tolerance gain) relative to
zero-transmission-level point
Signal input per CCITT G.711
±
0.1
±
0.18
dBm0
Digital milliwatt response variation with temperature and power
supplies
TA = –40
°
C to 85
°
C,
Supplies =
±
5%
±
0.08
dB
Zero-transmission–level point (
channel
μ
-law
A-law
0.747
Vrms
),
Input buffer configured for unity gain
0.75
Transmit overload signal level, peak-to-peak centered at AREF
3
Vpp
Zero-transmission–level point (0 dBm0), receive
channel
μ
-law
A-law
RL= 600
RL = 600
at maximum gain
(Load is connected between
d PWRO )
PWRO+ and PWRO–)
1.99
Vrms
2
8
Receive overload signal level, fully differential
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.
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 (unity) 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.
7.8
Vpp
transmit and receive gain tracking over recommended ranges of supply voltage and operating free-air
temperature, reference level = –10 dBm0
PARAMETER
TEST CONDITION
3 > input level
≥
–40 dBm0
–40 > input level > –50 dBm0
–50
≥
input level
≥
–55 dBm0
3 > input level
≥
–40 dBm0
–40 > input level > –50dBm0
–50
≥
input level
≥
–55 dBm0
MIN
TYP
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
noise over recommended ranges of supply voltage and operating free-air temperature
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
Transmit noise, C-message weighted (
μ
-law), PCMOUT
Transmit noise, psophometrically weighted (A-law), PCMOUT
Receive noise, C-message-weighted quiet code at PWRO+ (
μ
-law)
Receive noise, psophometrically weighted at PWRO+ (A-law)
ANLGIN+ = 0 V
10
12
dBrnC0
ANLGIN+ = 0 V
–80
–75
dBm0p
PCMIN = 11111111
5
12
dBrnC0
PCMIN = 11010101
–85
–79
dBm0p
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相關(guān)代理商/技術(shù)參數(shù) |
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| TCM38C17IDL | 功能描述:接口—CODEC Quad PCM Combo RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| TCM38C17IDLDL | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QComboE FOUR-CHANNEL QUAD PCM COMBO |
| TCM38C17IDLR | 制造商:Texas Instruments 功能描述:Audio Codec 1ADC / 1DAC 48-Pin SSOP T/R |
| TCM4110 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PCM U-LOW COMPANDING CODES |
| TCM4205J4 | 制造商:Texas Instruments 功能描述: |
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