U2741B-NFBG3Y Atmel, U2741B-NFBG3Y Datasheet - Page 2

• Manufacturer Part Number: U2741B-NFBG3Y
• Description: RF Transmitter ASK/FSK Remote Control 433 MHz
• Manufacturer: Atmel
• Type: Transmitterr

Specifications of U2741B-NFBG3Y

• Package / Case: SSO-16
• Operating Frequency: 450 MHz
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 2.5 V, 3.3 V, 5 V
• Operating Frequency (max): 450000kHz
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / Rohs Status: Compliant

Figure 1-1.
Figure 1-2.
2
Keys
1 Li cell
U2741B
System Block Diagram
Block Diagram
ATARx9x
Encoder
Remote control transmitter
U2741B
LFGND
LFVCC
UHF ASK/FSK
XTO
GND
VCC
ASK
FSK
CLK
LF
Power
PLL
amp.
VCO
Power
U2741B
OR
up
Antenna Antenna
VCO
f
f
64
n
U3741BM
XTO
PA
LNA
Remote control receiver
Demod.
IF Amp
UHF ASK/FSK
DIVC
PWRSET
PWRVCC
ANT
PWRGND1
PWRGND2
XTO1
XTO2
VCO
PLL
Control
XTO
1...3
4733B–RKE–09/05