TH7110 データシートの表示（PDF） - Melexis Microelectronic Systems
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TH7110
Melexis Microelectronic Systems
TH7110 Datasheet PDF : 22 Pages
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TH7110
315/433MHz FSK/FM/ASK
Double-Conversion Superheterodyne Receiver
Technical Data
Mode Configurations
ENRX
ENRO
Mode
0
0
SBY
0
1
RO only
1
0
ON
1
1
ON
Note: ENRX and ENRO are pulled down internally
Description
standby mode
only reference oscillator active
entire chip active
entire chip active
Second Mixer Input
IN_MIX2
External LO2
Ext. pull-down res. (15 kΩ)
N/C
SW_MIX2
0
0
1
Mode
double conversion with external LO2
single conversion
double conversion with internal LO2
LNA Gain Control
VGAIN_LNA
Mode
Description
< 0.8 V
HIGH GAIN
LNA set to high gain by voltage at GAIN_LNA
> 1.4 V
LOW GAIN
LNA set to low gain by voltage at GAIN_LNA
Note: hysteresis between gain modes to ensure stability
Absolute Maximum Ratings
Parameter
Supply voltage
Input voltage
Input RF level
Storage temperature
Electrostatic discharge
Symbol
Vcc
VIN
Pimax
TSTG
ESD
Condition / Note
no damage
human body model,
MIL STD 833D
method 3015.7, all pins
except OUT_IFA
pin OUT_IFA
Min
0
- 0.3
-40
-500
-500
Max
7.0
VCC+0.3
10
+125
+500
+250
Unit
V
V
dBm
°C
V
V
Normal Operating Conditions
Parameter
Supply voltage at ASK
Supply voltage at FSK/FM
Operating temperature
Input frequency
Frequency deviation
FSK data rate
FM bandwidth
ASK data rate
Symbol
Vcc, ASK
Vcc, FSK
Ta
fi
∆f
RFSK
fm
RASK
Condition
at FM or FSK
NRZ
NRZ
Min
Max
Unit
2.3
5.5
V
2.5
5.5
V
-40
+85
ºC
300
500
MHz
±5
±120
kHz
40
kbit/s
15
kHz
80
kbit/s
Datasheet Rev 2.3 July 2001
Page 11 of 22
www.melexis.com
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