U2741B-MFB Atmel, U2741B-MFB Datasheet - Page 6

• Manufacturer Part Number: U2741B-MFB
• Manufacturer: Atmel

Specifications of U2741B-MFB

• 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: Not Compliant

Electrical Characteristics (continued)
All parameters are refered to GND (Pin 5).
The possible operating ranges refer to different circuit conditions:
V
Package Information
Dimensions in mm
U2741B
Package SSO16
6 (7)
Load capacitance at CLK
Series resonance R of the
crystal
FSK modulation frequency
rate
ASK modulation frequency
rate
CLK output
– Output current Low
– Output current Low
– Output current High
– Output current High
ASK input
– Low level input voltage
– High level input voltage
– Input current High
FSK input
– Low level input voltage
– High level input voltage
– Input current High
S
= 2.0 V to 5.5 V @ T
Parameters
amb
0.25
f
f
f
f
Duty cycle of the
modulation signal = 50%
Duty cycle of the
modulation signal = 50%
V
V
V
V
= –20 C to +70 C, V
XTO
XTO
XTO
XTO
CLK
CLK
CLK
CLK
16
1
= 13.56 MHz
= 9.84 MHz
= 6.78 MHz
= 4.90 MHz
= 0.2 V
= 0.3 V
= 0.8 V
= 0.7 V
0.635
Test Conditions / Pins
5.00 max
4.45
5.00
4.80
S
S
S
S
9
8
S
= 2.2 V to 5.5 V @ T
1.40
0.25
0.10
technical drawings
according to DIN
specifications
f
f
Symbol
modASK
modFSK
V
V
V
I
V
C
I
ASKh
FSKh
3.95 max
ASKh
ASKl
FSKh
Rs
Rs
Rs
Rs
I
I
CLK
I
I
FSKl
oh
oh
ol
ol
6.2
5.8
5.2
4.8
amb
–150
–200
Min.
= –40 C to +85 C (Typ. 25 C, 3 V)
150
200
1.7
1.7
0
0
0.2
Typ.
Rev. A2, 22-Dec-00
Max.
100
150
225
100
140
140
0.3
0.3
10
80
20
20
13045
Unit
kHz
kHz
mA
mA
mA
mA
mA
mA
pF
W
V
V
V
V