ATA2745M-TCQY Atmel, ATA2745M-TCQY Datasheet - Page 7

• Manufacturer Part Number: ATA2745M-TCQY
• Description: IC XMITTER ASK 433MHZ
• Manufacturer: Atmel

Specifications of ATA2745M-TCQY

• Frequency: 433MHz
• Applications: General Purpose
• Modulation Or Protocol: ASK
• Data Rate - Maximum: 20 kBaud
• Power - Output: 3dBm
• Current - Transmitting: 12.5mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 6V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -

8. Electrical Characteristics (Continued)
All parameters are refered to GND (pin 5), V
The possible operating ranges refer to different circuit conditions: V
4898B–RKE–08/06
Parameters
Loop bandwidth
Phase noise PLL
Phase noise VCO
Frequency range of the VCO
Clock output
(CMOS microcontroller compatible)
Load capacitance at CLK
Series resonance R of the crystal
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
Enable ASK
- Low level input voltage
- High level input voltage
- Input current High
Test Conditions
For best LO noise
Loop filter components:
C
Referring to the phase comparator
f
At 1 MHz
At 36 MHz
f
f
Duty cycle of the
modulation signal = 50%
V
V
V
V
PC
XTO
XTO
CLK
CLK
CLK
CLK
2
= 3.9 nF, C
= 6.78 MHz
S
= 13.56 MHz
= 9.84 MHz
= 0.2
= 0.3
= 0.8
= 0.7
= 3V, T
amb
V
V
V
V
1
S
S
S
S
= 15 nF, R
= 25°C, unless otherwise specified
4
S
= 220
= 2.2V to 4.0V at T
Symbol
f
PN
PN
PN
modASK
V
Clk
V
B
V
V
C
I
I
f
V
ASKh
FSKh
VCO
Rs
Rs
ASKh
I
I
FSKh
Loop
ASKl
FSKl
I
I
CLK
oh
oh
ol
ol
EN
VCO
VCO
PLL
out
amb
= –40°C to +85°C
–150
–200
Min.
310
150
200
1.7
1.7
0
f
out
–111
–122
Typ.
100
–90
/ 128
ATA2745
Max.
–105
440
100
100
140
140
0.3
0.3
10
80
20
dBC/Hz
dBC/Hz
MHz
MHz
Unit
kHz
kHz
µA
µA
µA
µA
µA
µA
pF
V
V
V
V
7