參數(shù)資料
型號: LA7209V
廠商: Sanyo Electric Co.,Ltd.
英文描述: Monolithic Linear IC ISO/IEC-14443 (proximity) RF amplifier for contact-less IC card and tag
中文描述: 單片線性集成電路ISO/IEC-14443(接近)射頻放大器,接觸式IC卡和標簽
文件頁數(shù): 9/14頁
文件大?。?/td> 168K
代理商: LA7209V
LA7209V
No.A0641-9/14
ASK Modulation Driver Amplifier Signal Flow
Read Amplifier Signal Flow
SW4
SW6
22
22
2
4
11
7
19
17
5
6
Rd
Rb
Ra
High : Always on
Low : Linked to pin 7
Data high : On
Data low : Off
21
24
3
2nd
LPF
HPF
fc=30kHz
fc=30kHz
4.7k
Ω
4.7k
Ω
Adjustable
amplifier
Fixed
amplifier
fc=2.5MHz
30dB
100k
Ω
: Maximum gain
ASK modulation output (-)
Instruction data
Pin 5 voltage
ASK modulation output (+)
Carrier (+):13.56MHz
Carrier (-):13.56MHz
4.7k
Ω
: Minimum gain
Antenna
10~30dB
fc=2.5MHz
2nd
LPF
HPF
4.0V
4.0V
2V
3.3V
H
VCC
VCC
VCC
L
18
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