AS3977-BQFT austriamicrosystems, AS3977-BQFT Datasheet - Page 10

• Manufacturer Part Number: AS3977-BQFT
• Description: IC RF TRANSMITTER FSK 16-QFN
• Manufacturer: austriamicrosystems

Specifications of AS3977-BQFT

• Frequency: 300MHz ~ 928MHz
• Applications: ISM
• Modulation Or Protocol: FSK
• Data Rate - Maximum: 100 kbps
• Power - Output: 10dBm
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-VQFN Exposed Pad, 16-HVQFN, 16-SQFN, 16-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Current - Transmitting: -

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
Table 6. Reference Frequency Generator and Micro Controller Clock Driver
1. These parameters will not be tested.
Table 7. Phase Locked Loop
Table 8. Loop Filter Bandwidth
www.austriamicrosystems.com
Crystal Oscillator
Micro Controller Clock Driver
Filter Bandwidth at 315 MHz
Filter Bandwidth at 433 MHz
Symbol
Symbol
Symbol
f
R
C
t
t
f
t
MCCLK
V
t
V
SYNTH
t
RMCC
I
XOSC
XOSC
FMCC
I
Δf/f
f
LOCK
XOSC
LMCC
MCH
f
MCL
Δf
REF
MCH
MCL
BW
O
0
Crystal Oscillator Start up time
Output Frequency Resolution
Crystal Oscillator Frequency
Crystal Oscillator Oscillation
Charge pump
Synthesizer Start up Time
setting: I
High level output voltage
High level output current
Low level output voltage
Low level output current
Comparison Frequency
Clock output frequency
Synthesizer Lock Time
Frequency Stability vs.
Capacitive load
Temperature
Margin Level
Parameter
Parameter
Parameter
Rise time
CHP
Fall time
@ 12.5 µA
@ 25 µA
@ 37.5µA
@ 50 µA
1
(reference divider division ratio =
crystal series resistance ≤ 100Ω
V
V
Reference Frequency = 4MHz
f
SUP
SUP
register settings and crystal
depending on configuration
XOSC
f
ERROR
=3V, at nominal high level
=3V, at nominal high level
depending on f
V
T
f
f
=13.56MHz, C
OUT315
OUT868
AMB
SUP
output current
output current
V
Revision 3.5
AS3977 Only
T
Conditions
Conditions
Conditions
Δf=600kHz,
SUP
AMB
@ t
=-40…85ºC
=2.0…3.6V,
= 3.0 V;
4)
LOCK
= 25ºC
/ f
/ f
OUT434
OUT915
=10kHz
XOSC
L
=12pF
0.9*V
1500
Min
Min
Min
3.0
12
46
92
SUP
Typ
Typ
Typ
170
122
500
115
4.0
55
85
16
61
50
0.1*V
Max
62.5
62.5
Max
Max
153
200
1.5
5.0
20
±1
20
77
4
1
1
SUP
Units
Units
Units
10 - 45
MHz
MHz
ppm
MHz
kHz
mA
mA
ms
pF
Hz
ns
ns
µs
µs
Ω
V
V