參數(shù)資料
型號(hào)： AFE031AIRGZT
廠商： Texas Instruments
文件頁(yè)數(shù)： 17/57頁(yè)
文件大?。?/td> 0K
描述： IC AFE POWERLINE COMM 48VQFN
特色產(chǎn)品： An Intelligent Solar Micro-Inverter Solution
標(biāo)準(zhǔn)包裝： 1
位數(shù)： 10
通道數(shù)： 1
電壓 - 電源，模擬： 3 V ~ 3.6 V
電壓 - 電源，數(shù)字： 3 V ~ 3.6 V
封裝/外殼： 48-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 48-VQFN 裸露焊盤（7x7）
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： 296-29692-6
C
LPF
MCU
PGA
PA
1
2
f 22 k
p
W
C =
Note (3)
Tx_F_OUT
Tx_PGA_
IN
Tx_F_IN1
PA_OUT1
PA_OUT2
Tx_PGA_
OUT
Tx_F_IN2
PA_IN
C
GPIO
Note (1)
Inside the AFE031
510 W
Note (2)
LPF
MCU
PGA
PA
1
2
f 22 k
p
W
C =
Note (2)
Inside the AFE031
Tx_F_OUT
Tx_PGA_
IN
Tx_F_IN1
PA_OUT1
PA_OUT2
Tx_PGA_
OUT
Tx_F_IN2
PA_IN
C
GPIO
Note (1)
43 kW
SBOS531D – AUGUST 2010 – REVISED MAY 2012
(1)
When using both Tx Filter inputs, use 43-k
Ω resistors to match the input resistance for best frequency response.
(2)
For capacitor value C, f is the desired lower cutoff frequency and 22 k
Ω is the PA input resistance.
Figure 29. Recommended Tx Signal Chain Connections in PWM Mode Using Two PWM Signals
In PWM mode, there is inherently more distortion from the PWM signal than from the internal DAC. To achieve
the best results in PWM mode, add passive RC filters to increase the low-pass filtering. Figure 30 and Figure 31
illustrate the recommended locations of these RC filters.
(1)
Leave unused Tx Filter input unconnected.
(2)
Refer to Table 2.
(3)
For capacitor value C, f is the desired lower cutoff frequency and 22 k
Ω is the PA input resistance.
Figure 30. Recommended Tx Signal Chain Connections in PWM Mode
Using One PWM Signal and Additional RC Filters
24
Copyright 2010–2012, Texas Instruments Incorporated
Product Folder Link(s): AFE031
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AFE032 制造商:TI 制造商全稱:Texas Instruments 功能描述:Power-Line Communications Analog Front-End
AFE032IRGZR 制造商:TI 制造商全稱:Texas Instruments 功能描述:Power-Line Communications Analog Front-End
AFE032IRGZT 制造商:Texas Instruments 功能描述:- Tape and Reel 制造商:Texas Instruments 功能描述:IC AFE POWERLINE COMM 48VQFN
AFE1010A 制造商:Richco 功能描述:1.375 BASE 3/8-16 X 1IN STUD
AFE1015A 制造商:Richco 功能描述:1.375 BASE 3/8-16 X 2IN STUD
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