U3741BM-M2FL Atmel, U3741BM-M2FL Datasheet - Page 3

• Manufacturer Part Number: U3741BM-M2FL
• Manufacturer: Atmel

Specifications of U3741BM-M2FL

• Operating Frequency (max): 450000kHz
• Operating Temperature (min): -40C
• Operating Temperature (max): 105C
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / Rohs Status: Not Compliant

Pin Configuration
Pin Description
4662B–RKE–10/04
Pin
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
FSK/ASK
LNAGND
ENABLE
MIXVCC
Symbol
LNA_IN
LFGND
LFVCC
CDEM
DGND
MODE
AGND
DVCC
POUT
SENS
AVCC
TEST
DATA
XTO
NC
LF
Function
Sensitivity-control resistor
Selecting FSK/ASK. Low: FSK, High: ASK
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)
H: polling mode on (active mode)
Data output/configuration input
Figure 1. Pinning SO20
FSK/ASK
LNAGND
MIXVCC
LNA_IN
CDEM
DGND
AGND
AVCC
SENS
NC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
DATA
ENABLE
TEST
POUT
MODE
DVCC
XTO
LFGND
LF
LFVCC
U3741BM
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