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LA7209V Datasheet(PDF) 4 Page - Sanyo Semicon Device

Part No. LA7209V
Description  Monolithic Linear IC ISO/IEC-14443 (proximity) RF amplifier for contact-less IC card and tag
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LA7209V
No.A0641-4/14
Package Dimensions
unit : mm (typ)
3175C
Block Diagram
SANYO : SSOP24(275mil)
7.8
0.22
0.65
(0.33)
12
13
24
1
0.15
24
23
22
21
20
19
18
17
16
15
14
13
DET
IN-
T24 T23
T22 T21 T20
T19
VCC1
5V
VCC3
3V
VCC2
5V
3.9k
Ω
Dummy
Antenna
15pF
1
μH1μH
10
μF
10
μH
1.8k
Ω
SW5
SW4
0.1
μF
10pF
+
T18
T17
T16
T16A
T15
1
4
5
8
9
10
11
12
GND
TYPE
SW
DATA
SW
TAG
DET
TAG
OUT
TYPE
CTL
PWR_SAVE
NOR_OPRT
PWR
SAVE
CTL
MOD
DATA
IN
MOD_E
ON:TYPE-B/C
REG
CAR
IN-
CAR
IN+
DET
IN+
EVR
CTL
GAIN
10~30dB
EVR
OUT
AMP
OUT
GAIN
30dB
COMP
IN
COMP
AMP
EVR
COMP
OUT
TAG
REF
GND
VCC
MOD
OUT+
MOD
OUT-
1
2
2
1
0.1
μF
VCC3
3V
100
Ω
T15
100pF
SW6
22
1
A
B/C 2
1
2
10
Ω
33
Ω
1
SW3
SW1
VCC3
3V
VCC3
3V
VCC3
3V
VCC1
5V
2.7k
Ω
10k
Ω
10k
Ω
1
μF
100pF
T2A
T3A
T4
T6
T5
T7
T3
T8
T9
T10
T11
T12
T2
SW2
VCC1
5V
6
7
COMP
REG
TAG
DET
LPF
MOD
2
3
* Dummy antenna : TDK inductor EL0405
Specifications : L = 1
μH ±1%, Q = 50 (at f = 7.96MHz), DC resistance = 0.22Ω (maximum)




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