ADF7021-VBCPZ-RL Analog Devices Inc, ADF7021-VBCPZ-RL Datasheet - Page 17

• Manufacturer Part Number: ADF7021-VBCPZ-RL
• Description: Narrow Band Transceiver 433/868/900 MHz
• Manufacturer: Analog Devices Inc

Specifications of ADF7021-VBCPZ-RL

• Frequency: 80MHz ~ 960MHz
• Data Rate - Maximum: 24 kbps
• Modulation Or Protocol: FSK
• Applications: ISM
• Power - Output: 13dBm
• Sensitivity: -125dBm
• Voltage - Supply: 2.3 V ~ 3.6 V
• Current - Receiving: 21.7mA
• Current - Transmitting: 27.1mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-VFQFN, CSP Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
–100
–110
–120
–130
–140
–150
–160
–100
–110
–120
–130
–140
–150
–160
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–60
–70
–80
–90
Figure 13. Output Spectrum in FCC Part 90 Emission Mask D
20
10
0
Figure 12. Phase Noise Response at 868 MHz, V
1
Figure 11. Phase Noise Response at 460 MHz, V
1
DATA RATE = 2.4kbps
f
RF FREQ = 470MHz
IFBW = 4kHz
DEV
DEMODULATION = GFSK
= 1.2kHz
FREQUENCY OFFSET FROM CARRIER (Hz)
10
10
FREQUENCY OFFSET (kHz)
FREQUENCY OFFSET (kHz)
and GFSK Modes
100
100
1k
1k
RF FREQ = 460MHz
TCXO = 19.2MHz
RF FREQ = 868MHz
TCXO = 19.2MHz
I
I
FCC PART 90
EMISSION MASK D
CP
CP
= 0.3mA
= 0.9mA
I
I
I
I
CP
CP
CP
CP
10k
DD
DD
= 0.3mA
= 0.9mA
= 1.5mA
= 2.1mA
= 2.3 V
= 3 V
10k
100k
Rev. 0 | Page 17 of 60
Figure 15. PA Output Harmonic Response with T-Stage LC Filter
–10
–20
–30
–40
–50
–60
–70
–80
–100
10
867.97
–12
–16
–20
–24
–28
–32
–36
–40
–20
–40
–60
–80
0
16
12
–4
–8
20
8
4
0
0
300
0
Figure 16. Output Spectrum in 2FSK and GFSK Modes
PA_BIAS = 9µA
4
867.98
Figure 14. RF Output Power vs. PA Setting
8
800
12 16 20 24 28 32 36 40 44 48 52 56 60
PA_BIAS = 7µA
867.99
PA_BIAS = 11µA
FREQUENCY (MHz)
1300
FREQUENCY (MHz)
GFSK
PA SETTING
868.00
PA_BIAS = 5µA
1800
868.01
DATA RATE = 9.6kbps
DATA = PRBS9
f
RF FREQ = 868MHz
DEV
= 2.4kHz
2300
2FSK
ADF7021-V
868.02
2800
868.03