參數(shù)資料
型號(hào)： STLC7549
廠商： 意法半導(dǎo)體
元件分類： Codec
英文描述： Stereo Audio/MODEM/Telephony Codec(立體聲音頻/調(diào)制解調(diào)器/電話編解碼器)
中文描述： 立體聲音頻/調(diào)制解調(diào)器/語音編解碼器（立體聲音頻/調(diào)制解調(diào)器/電話編解碼器）
文件頁數(shù)： 5/35頁
文件大?。?/td> 335K
代理商： STLC7549
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
16 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
L3
V
REFNM
V
REFPM
TP2Rx
V
CMM
AV
DDM
AGNDM
HANDRx
TP1Rx+
TP1Rx-
TP1Tx2
HANDTx3
TP1Tx+
TP1Tx-
V
REFNA
V
REFPA
RESET
PDWN
TEST
SIN1
SOUT1
SCLK1
FSYNC1
DGND2
DV
DD2
MCLKA
GPIO0
SIN2
SOUT2
SCLK2
FSYNC2
MCLKM
H
D
D
V
V
V
D
D
D
G
H
G
G
G
G
G
G
L
L
M
M
R
R
V
C
A
A
D
R
M
R
R
L
L
M
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
7
PIN CONNECTIONS
PIN DESCRIPTION
Pin N
°
POWER SUPPLY (9 pins) (seeNotes 1 and 2)
8
AV
DDA
Symbol
Type
Function
I
Analog V
Supply. This pin is the positive analog power supply voltage (4.75V to
5.25V) for the DAC and the ADC audio section. The voltage on these pins must be
higher or equal to the voltage of the Digital power supply (DV
DD
).
Analog V
DD
Supply. This pin is the positive analog power supply voltage (4.75V to
5.25V) for the DAC and the ADC modem and telephony section. The voltage on this
pin must be higher or equal to the voltage of the Digital power supply (DV
DD
).
Digital V
DD
Supply. This pin is the positive digital power supply (3.15V to 5.25V).
AnalogGround. This pin isthe ground return of the analog DAC (ADC)audio section.
AnalogGround. This pin isthe ground return of the analog DAC (ADC)modem and
telephony section.
Digital Ground. These pins are the ground return of the digitalsection.
24
AV
DDM
I
40,56
9
25
DV
DD1
, DV
DD2
AGNDA
AGNDM
I
I
I
41,
57,
35
DGND1,
DGND2,
DGND3
I
Notes :
1. To obtain published performance, the analog V
and digital V
should be decoupled with respect to analog ground and digital
ground, respectively. The decoupling is intended to isolate digital noise fromthe analog section ; decoupling capacitors should be
as close as possible to the respective analog and digital supply pins (referto Figure18).
2. All the ground pins must be tied together. In the following section, the ground and supply pins are referred to as GND and V
DD
,
respectively.
7
STLC7549
5/35
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參數(shù)描述
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STLC7550TQF7 功能描述:電信線路管理 IC Lo-V Analg Front-End RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
STLC7550TQF7TR 功能描述:電信線路管理 IC Lo-V Analg Front-End RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
STLC7550TQFP 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW POWER LOW VOLTAGE ANALOG FRONT END
STLC75C53TQFP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MODEM
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