AS3977BQFU austriamicrosystems, AS3977BQFU Datasheet - Page 11

• 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
Table 8. (Continued)Loop Filter Bandwidth
Table 9. Power Amplifier (300 - 320 MHz and 425 - 450 MHz Bands)
1. Limits by production test measurement uncertainties
www.austriamicrosystems.com/AS3977
Filter Bandwidth at 868 MHz
Symbol
Symbol
P
P
P
P
P
P
P
f
f
OUT
OUT
OUT
OUT
OUT
OUT
OUT
BW
BW
Charge pump setting:
Charge pump setting:
Output Power Variation vs. VDD and
Max. Output Power @ 50Ω
Min. Output Power @ 50Ω
Max Output Power @ 50Ω
Output Power Variation vs.
I
I
Temperature @ 50Ω
Temperature @ 50Ω
CHP
CHP
Variation@ 50Ω
Variation@ 50Ω
(300 – 320MHz)
(425 – 450MHz)
Output Power
Output Power
Parameter
Parameter
@ 12.5 µA
@ 25 µA
@ 37.5µA
@ 50 µA
@ 12.5 µA
@ 25 µA
@ 37.5µA
@ 50 µA
1
1
V
Power depending on power setting with or
without the use of the internal voltage
regulator, external matching network
included
V
Power depending on power setting with or
without the use of the internal voltage
regulator, external matching network
included
V
Power depending on register setting with
or without the use of the internal voltage
regulator,
external matching network included,
strong AB operation mode
V
Power depending on register setting with
or without the use of the internal voltage
regulator,
external matching network included,
strong AB operation mode
V
the use of the internal voltage regulator,
external matching network included,
strong AB operation mode
V
Without the use of the internal voltage
regulator,
external matching network included,
strong AB operation mode
V
Power depending on power setting
without the use of the internal voltage
regulator,
external matching network included
SUP
SUP
SUP
SUP
SUP
SUP
SUP
Reference Frequency = 4MHz
Reference Frequency = 4MHz
=3V, @ 25ºC,
=3V, @ 25ºC,
=3V, @ 25ºC,
=3V, @ 25ºC,
=2.2…3.6V, T
=3V, T
=3.6V, @ 25ºC,
AMB
V
V
T
T
Conditions
Conditions
SUP
SUP
Revision 3.6
AMB
AMB
=-40..85ºC,
AMB
= 3.0 V;
= 3.0 V;
= 25ºC
= 25ºC
=-40…85ºC, With
Min
Min
-2.5
-2.0
-2.8
+0.6 /
+1.5 /
Typ
120
120
Typ
-1.5
-2.0
-20
50
70
90
50
70
90
10
8
Max
Max
+2.5
+2.0
1.0
Units
Units
dBm
dBm
dBm
dBm
dBm
kHz
kHz
dB
dB
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