ADF7025BCPZ Analog Devices Inc, ADF7025BCPZ Datasheet - Page 29

• Manufacturer Part Number: ADF7025BCPZ
• Description: IC ASK/FSK TXRX 928MHZ 48-LFCSP
• Manufacturer: Analog Devices Inc

Specifications of ADF7025BCPZ

• Frequency: 431MHz ~ 464MHz, 862MHz ~ 870MHz and 902MHz ~ 928MHz
• Data Rate - Maximum: 384kbps
• Modulation Or Protocol: FSK
• Applications: Keyless Entery, Home Automation, Wireless Audio/Video
• Power - Output: -20dBm ~ 13dBm
• Sensitivity: -104dBm
• Voltage - Supply: 2.3 V ~ 3.6 V
• Current - Receiving: 19mA
• Current - Transmitting: 28mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LFCSP
• Receiving Current: 21mA
• Transmitting Current: 19.3mA
• Data Rate: 384Kbps
• Frequency Range: 431MHz To 928MHz
• Modulation Type: FSK
• Rf Ic Case Style: LFCSP
• No. Of Pins: 48
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-ADF70XXEKZ1 - KIT DEV ADF702X FOR BF533EZKITEVAL-ADF7025DBZ1 - BOARD EVAL ADF7025 902-928MHZ
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

REGISTER 1—OSCILLATOR/FILTER REGISTER
Register 1—Oscillator/Filter Register Comments
• The VCO Adjust Bits R1_DB[20:21] should be set to 0 for operation in the 862 MHz to 870 MHz band and set to 3 for operation in the
• VCO bias setting should be 0xA for operation in the 862 MHz to 870 MHz band and 0xC for operation in the 902 MHz to 928 MHz
902 MHz to 928 MHz band.
band. All VCO gain numbers are specified for these settings.
IR2 IR1
0
0
1
1
0
1
0
1
VA2
0
0
1
1
600kHz
900kHz
1200kHz
NOT USED
FILTER
BANDWIDTH
VB4
0
0
.
1
VA1
0
1
0
1
VB3
0
0
.
1
FREQUENCY
OF OPERATION
850–920
860–930
870–940
880–950
VB2
0
1
.
1
VB1
1
0
.
1
VCO BIAS
CP2
0
0
1
1
Figure 40. Register 1—Oscillator/Filter Register
VCO BIAS
CURRENT
0.25mA
0.5mA
4mA
CP1
RSET
0
1
0
1
I
3.6kΩ
0.3
0.9
1.5
2.1
CP
Rev. A | Page 29 of 44
(MA)
V1
0
1
X1 XTAL OSC
0
1
VCO BAND
(MHz)
862–956
431–478
OFF
ON
CLOCKOUT
DIVIDE
CL4
0
0
0
.
.
.
1
D1
0
1
CL3
0
0
0
.
.
.
1
XTAL
DOUBLER
DISABLE
ENABLED
CL2
0
0
1
.
.
.
1
R COUNTER
R3
0
0
.
.
.
1
R2
0
1
.
.
.
1
CL1
0
1
0
.
.
.
1
R1
1
0
.
.
.
1
CLK
DIVIDE RATIO
OFF
2
4
.
.
.
30
RF R COUNTER
DIVIDE RATIO
1
2
.
.
.
7
OUT
ADDRESS
BITS
ADF7025