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參數(shù)資料
| 型號(hào)： | MSM7544 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 元件分類： | Codec |
| 英文描述： | Single Rail CODEC |
| 中文描述： | 單鐵編解碼器 |
| 文件頁(yè)數(shù)： | 12/19頁(yè) |
| 文件大?。?/td> | 159K |
| 代理商： | MSM7544 |
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Semiconductor
MSM7543/7544
12/19
AC Characteristics (Continued)
Absolute Level (Initial Difference)
Nidle T
—
—
–74.5
–72.5
–78
dBmOp
Nidle R
—
AV T
0.580
0.6007
0.622
AV R
0.580
0.6007
0.622
Vrms
1020
Absolute Delay
AV Tt
–0.2
—
+0.2
0
AV Rt
–0.2
—
+0.2
Td
1020
—
—
0.60
ms
0
A to A
BCLOCK
= 64 kHz
Transmit Group Delay
tgd T1
tgd T2
tgd T3
tgd T4
tgd T5
tgd R1
tgd R2
tgd R3
tgd R4
tgd R5
—
—
—
—
—
—
—
0.19
0.11
0.02
0.05
0.07
0.00
0.00
0.00
0.09
0.12
80
76
0.75
0.35
0.125
0.125
0.75
0.75
0.35
0
ms
*5
Receive Group Delay
—
—
—
75
70
0.125
0.125
0.75
—
—
ms
0
—
–75
Idle Channel Noise
—
—
AIN = SG
*1 *2
*1 *3
dB
dB
V
DD
= 5.0 V
Ta = 25°C
V
DD
=
+5 V ±5%
Ta = –30
to 85°C
Absolute Level
(Deviation of Temperature and Power)
*4
500
600
1000
2600
2800
500
600
1000
2600
2800
Crosstalk Attenuation
CR T
CR R
1020
dB
0
TRANS
RECV
RECV
TRANS
*5
Condition
Parameter
Symbol
Min.
Typ.
Max.
Unit
Level
(dBm0)
Freq.
(Hz)
*4
(V
DD
= +5 V ±5%, Ta = –30°C to +85°C)
–70
–69
*1 Psophometric filter is used
*2 Upper is specified for the MSM7543, lower for the MSM7544
*3 Input "0" code to PCMIN
*4 AVR is defined at VFRO output
*5 Minimum value of the group delay distortion
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSM7545 | LSI |
| MSM7557 | Single Chip MSK Modem with Compandor for Cordless Telephone |
| MSM7564-01 | CONNECTOR ACCESSORY |
| MSM7570-01 | Multi-Function ADPCM CODEC(多功能ADPCM編碼譯碼器) |
| MSM7575 | Multi-Function ADPCM CODEC(多功能ADPCM(自適應(yīng)差分脈沖編碼調(diào)制）編碼譯碼器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM7545 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:LSI |
| MSM7547 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Voice Signal Level Control LSI |
| MSM7547MS-K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Voice Signal Level Control LSI |
| MSM7557 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Single Chip MSK Modem with Compandor for Cordless Telephone |
| MSM7560 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Single Rail ADPCM CODEC |
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