TH7107EFC Melexis Inc, TH7107EFC Datasheet - Page 10

• Manufacturer Part Number: TH7107EFC
• Description: IC XMITTER 315/433MHZ 16-SSOP
• Manufacturer: Melexis Inc

Specifications of TH7107EFC

• Rohs Status: RoHS non-compliant
• Frequency: 310MHz ~ 450MHz
• Applications: Alarm and Security Systems, RKE
• Modulation Or Protocol: ASK, FM, FSK
• Data Rate - Maximum: 40 kbps
• Power - Output: -12dBm ~ 2dBm
• Current - Transmitting: 4.8mA ~ 11.5mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SSOP
• Features: -
• Memory Size: -
• Other names: TH7107; TH7107EFF

5.2 Frequency Deviation as Function of CX1 and CX2
3901007107
Rev. 008
The frequency deviation ∆f is defined as (f
typical values at T
XTAL = 13.55 MHz, Cload = 15 pF, shown in Fig. 3
CX1 / pF
40
35
30
25
20
15
10
5
0
104
22
32
40
49
61
10
A
Fig. 3: Frequency deviation vs. CX1, at different CX2
= 23 °C and V
20
CX2 = 1 nF
30
f / kHz
CC
34
25
20
17
13
8
= 3 V:
Cx1/pF
40
max
Page 10 of 16
- f
min
50
) /2.
CX2 = 100 pF
11.5
f / kHz
27
19
14
60
9
FSK/FM/ASK Transmitter
70
CX2 = 47 pF
Cx2 = 1nF
CX2 = 100pF
Cx2 = 47pF
f / kHz
5.5
21
14
10
TH7107
8
315/433MHz
Data Sheet
May/03