EVAL-ADF7021DBZ5 Datasheet, PDF (6/64 Pages) Analog Devices – High Performance Narrow-Band Transceiver IC

ADF7021
Data Sheet
TRANSMISSION SPECIFICATIONS
Table 2.
Parameter
DATA RATE
2FSK, 3FSK
4FSK
MODULATION
Frequency Deviation (fDEV)³
Deviation Frequency Resolution
Gaussian Filter BT
Raised Cosine Filter Alpha
TRANSMIT POWER
Maximum Transmit Power⁴
Transmit Power Variation vs.
Temperature
Transmit Power Variation vs. VDD
Transmit Power Flatness
Programmable Step Size
ADJACENT CHANNEL POWER (ACP)
426 MHz, External Inductor VCO
12.5 kHz Channel Spacing
Min Typ
0.05
0.05
0.056
0.306
56
0.5
0.5/0.7
+13
±1
±1
±1
0.3125
−50
25 kHz Channel Spacing
−50
868 MHz, Internal Inductor VCO
12.5 kHz Channel Spacing
−46
25 kHz Channel Spacing
−43
433 MHz, Internal Inductor VCO
12.5 kHz Channel Spacing
−50
25 kHz Channel Spacing
−47
OCCUPIED BANDWIDTH
2FSK Gaussian Data Filtering
12.5 kHz Channel Spacing
3.9
25 kHz Channel Spacing
9.9
2FSK Raised Cosine Data Filtering
12.5 kHz Channel Spacing
4.4
25 kHz Channel Spacing
10.2
3FSK Raised Cosine Filtering
12.5 kHz Channel Spacing
3.9
25 kHz Channel Spacing
9.5
4FSK Raised Cosine Filtering
25 kHz Channel Spacing
13.2
Max Unit Test Conditions/Comments
25¹ kbps IF_BW = 25 kHz
32.8² kbps IF_BW = 25 kHz
28.26 kHz
156 kHz
Hz
PFD = 3.625 MHz
PFD = 20 MHz
PFD = 3.625 MHz
Programmable
dBm VDD = 3.0 V, TA = 25°C
dB −40°C to +85°C
dB 2.3 V to 3.6 V at 915 MHz, TA = 25°C
dB 902 MHz to 928 MHz, 3 V, TA = 25°C
dB −20 dBm to +13 dBm
PFD = 9.84 MHz
dBc Gaussian 2FSK modulation, measured in a ±4.25 kHz bandwidth
at ±12.5 kHz offset, 2.4 kbps PN9 data, 1.2 kHz frequency deviation,
compliant with ARIB STD-T67
dBc Gaussian 2FSK modulation, measured in a ±8 kHz bandwidth at
±25 kHz offset, 9.6 kbps PN9 data, 2.4 kHz frequency deviation,
compliant with ARIB STD-T67
PFD = 19.68 MHz
dBm Gaussian 2FSK modulation, 10 dBm output power, measured in
a ±6.25 kHz bandwidth at ±12.5 kHz offset, 2.4 kbps PN9 data,
1.2 kHz frequency deviation, compliant with ETSI EN 300-220
dBm Gaussian 2FSK modulation, 10 dBm output power, measured in
a ±12.5 kHz bandwidth at ±25 kHz offset, 9.6 kbps PN9 data,
2.4 kHz frequency deviation, compliant with ETSI EN 300-220
PFD = 19.68 MHz
dBm Gaussian 2FSK modulation, 10 dBm output power, measured in
a ±6.25 kHz bandwidth at ±12.5 kHz offset, 2.4 kbps PN9 data,
1.2 kHz frequency deviation, compliant with ETSI EN 300-220
dBm Gaussian 2FSK modulation, 10 dBm output power, measured in
a ±12.5 kHz bandwidth at ±25 kHz offset, 9.6 kbps PN9 data,
2.4 kHz frequency deviation, compliant with ETSI EN 300-220
99.0% of total mean power; 12.5 kHz channel spacing (2.4 kbps
PN9 data, 1.2 kHz frequency deviation); 25 kHz channel spacing
(9.6 kbps PN9 data, 2.4 kHz frequency deviation)
kHz
kHz
kHz
kHz
kHz
kHz
19.2 kbps PN9 data, 1.2 kHz frequency deviation
kHz
Rev. B | Page 6 of 64