AS3977BQFU austriamicrosystems, AS3977BQFU Datasheet - Page 8

• Manufacturer Part Number: AS3977BQFU
• Description: Ultra-High Frequency FSK Transmitter IC
• Manufacturer: austriamicrosystems

Specifications of AS3977BQFU

• Modulation Type: FSK
• Supply Voltage Range: 2V To 3.6V
• Module Interface: Serial
• Supply Current: 17mA
• Ic Function: Multi-Channel Narrowband FSK Transmitter
• Termination Type: SMD
• No. Of Pins: 16
• Rohs Compliant: Yes
• Operating Temperature Range: -40°C To +85°C
• Filter Terminals: SMD
• Digital Ic Case Style: QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AS3977
Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s
6 Electrical Characteristics
Table 3. Operating Conditions
Table 4. Block Specification
www.austriamicrosystems.com/AS3977
315MHz Frequency Band Section, FCC part 15 is applicable
434MHz Frequency Band Section, EN 300 220 and/or ARIB STD-T67 are applicable
P
Symbol
ACP2
f
f
f
f
f
Symbol
ΔFSK
ΔFSK
FSKdata
OBW
OUT315
OUT434
OUT868
OUT915
P
P
T
V
GND
V
SPE1
A-D
AMB
OUT
SUP
SS
2
1
2
(max. –19.6dBm radiated fundamental
Negative supply voltage analog
Negative supply voltage digital
Positive supply voltage analog
Output Frequency Range
Adjacent Channel Power
Phase noise @ 250 kHz
Phase noise @ 250 kHz
Phase noise @ 50 kHz
Phase noise @ 50 kHz
Phase noise @ 1 MHz
Phase noise @ 1 MHz
Occupied Bandwidth
Difference of supplies
Ambient Temperature
Spurious Emissions
FSK Data Rate
FSK Deviation
FSK Deviation
Output Power
Parameter
Parameter
power)
1
Resolution of FSK Deviation
Resolution of FSK Deviation
Channel spacing 12.5 kHz, FSK data rate
Small deviation (ARIB), programmable
GF Setting
Charge pump setting: I
Charge pump setting: I
FSK data rate 9.6 kbit/s (ARIB)
ARIB, f
Internal Manchester Coding
Depends on Power Setting
Channel spacing 25 kHz,
at frequencies > 960Mhz
FSK Deviation ±1.8 KHz
FSK Deviation ±3.0 KHz
VCCPA,VCCPLL,VDD
VCC-VDD, GND-VSS
programmable (8bit)
Setting on page 38)
Voltage on all supply
T
T
V
4.8 kbit/s (ARIB)
V
REF
AMB
(see Gaussian Filter Clock
AMB
SUP
216-960MHz
at harmonics
SUP
Conditions
Revision 3.6
Conditions
=4MHz, I
=2.0…3.6V,
=-40…85ºC
=2.0..3.6V,
(8bit)
=-40..85ºC
CHP
CHP
CHP
(see Table 5)
(see Table 5)
=50µA
=50µA;
=50µA;
±1.25
Min
300
425
865
902
Min
-0.1
0.5
8.5
2.0
-40
1
0
0
0
0
-102
-102
Typ
Typ
-86
-92
-86
-94
Max
Max
±64
±64
320
450
870
928
100
-49
-41
-40
-83
-40
3.6
0.1
8.5
50
±4
16
85
0
0
dBc/Hz
dBc/Hz
Units
Units
kbit/s
MHz
dBm
kHz
kHz
dBc
kHz
ºC
V
V
V
V
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