U2741B-NFBG3 Atmel, U2741B-NFBG3 Datasheet - Page 6

• Manufacturer Part Number: U2741B-NFBG3
• Description: IC TRANSMITTR UHF ASK/FSK 16SSOP
• Manufacturer: Atmel

Specifications of U2741B-NFBG3

• Frequency: 300MHz ~ 450MHz
• Applications: General Purpose
• Modulation Or Protocol: UHF, ASK, FSK
• Data Rate - Maximum: 20 kBaud
• Power - Output: 3dBm
• Current - Transmitting: 10mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -

Figure 5-2.
6
U2741B
Application Circuit
3.39 MHz
ASK
CLK
FSK
C
7
C
6
R
4
C
C
2
LFGND
LFVCC
1
GND
VCC
ASK
CLK
FSK
LF
1
2
3
4
5
6
7
8
U2741B
Power
OR
up
VCO
f
f
64
n
XTO
PA
16
15
14
13
12
11
10
DIVC
PWRSET
PWRVCC
ANT
PWRGND1
PWRGND2
XTO1
XTO2
9
+V
S
= 2.0 ... 5.5 V
Antenna
R
13.56 MHz
PWRSET
C
C
3
5
C
L
C
Feed
4
Loop1
C
Loop2
4733B–RKE–09/05