U3745BM Datasheet, PDF (3/29 Pages) ATMEL Corporation – UHF ASK RECEIVER IC

U3745BM
Pin Description
Pin
Symbol
1
NC
2
ASK
3
CDEM
4
AVCC
5
AGND
6
DGND
7
MIXVCC
8
LNAGND
9
LNA_IN
10
NC
11
LFVCC
12
LF
13
LFGND
14
XTO
15
DVCC
16
MODE
17
POUT
18
TEST
19
ENABLE
20
DATA
Function
Not connected
ASK high
Lower cut-off frequency data filter
Analog power supply
Analog ground
Digital ground
Power supply mixer
High-frequency ground LNA and mixer
RF input
Not connected
Power supply VCO
Loop filter
Ground VCO
Crystal oscillator
Digital power supply
Selecting 433.92 MHz/315 MHz. Low: 4.90625 MHz (USA), High: 6.76438 (Europe)
Programmable output port
Test pin, during operation at GND
Enables the polling mode. Low: polling mode off (sleep mode). High: polling mode on (active mode)
Data output/configuration input
3
4663A–RKE–06/03