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參數(shù)資料
| 型號： | MSM7570-01 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 元件分類： | Codec |
| 英文描述： | Multi-Function ADPCM CODEC(多功能ADPCM編碼譯碼器) |
| 中文描述： | 多功能差分PcM編解碼器（多功能差分PcM編碼譯碼器） |
| 文件頁數(shù)： | 4/25頁 |
| 文件大?。?/td> | 169K |
| 代理商： | MSM7570-01 |
4/25
Semiconductor
MSM7570-01
PIN AND FUNCTIONAL DESCRIPTIONS
AIN1+, AIN1–, AIN2, GSX1, GSX2
Transmit analog inputs and the output for transmit gain adjustment.
AIN1– (AIN2) connects to the inverting input of the internal transmit amplifier. AIN1+ connects
to non-inverting input of the internal transmit amplifier. GSX1 (GSX2) connects to the internal
transmit amplifier output. Refer to Fig.1 for gain adjustment.
VFRO, AOUT+, AOUT–, PWI
Receive analog outputs and the output for receive gain adjustment.
VFRO is the receive filter output. AOUT+ and AOUT– are differential analog signal outputs
which can directly drive Z
L
= 350
W
+ 120 nF or a 1.2 k
W
load. Refer to Fig.1 for gain adjustment.
Transmit Gain: V
GSX2
/Vi
= (R2/R1)
￥
(R4/R3)
AIN1–
GSX1
R2
C1
to ENCODER
R1
from
DECODER
Differential
Analog
Output
Receive Gain: Vo/V
VFRO
= 2
￥
(R6/R5)
Z
L
= 120 nF
+ 350
W
AIN2
GSX2
R4
C2
R3
AOUT–
PWI
R6
VFRO
R5
AOUT+
AIN1+
–1
–
+
–
+
–
+
C1
R1
R2
V
REF
SG
Differential
Sound Output
Z
L
= 120 nF
+ 350
W
SAO–
–1
SAO+
+1
SELECT
+
–
10
m
F
0.1
m
F
Differential
Analog Input
Vi
V
O
Figure 1 Analog Input/Output Interface
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| MSM7576 | LSI |
| MSM7577 | Voice Signal Level Control LSI |
| MSM7580 | ITU-T G.721 ADPCM TRANSCODER |
| MSM7581 | ITU-T G.721 4ch ADPCM TRANSCODER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM7570-01T3K | 功能描述:電信集成電路 32 KBPS SINGLE CH ADPCM CODEC IC RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| MSM7570-01TS-K | 制造商:ROHM Semiconductor 功能描述: |
| MSM75701 | 制造商:OK International 功能描述: |
| MSM7570L-01 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Multi-Function ADPCM CODEC |
| MSM7570L-02 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Multi-Function ADPCM CODEC |
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