ADF7021-NBCPZ Analog Devices Inc, ADF7021-NBCPZ Datasheet - Page 63
![IC TXRX 80-650/842-916MHZ 48LFCS](/photos/6/50/65022/cp-48-8_sml.jpg)
ADF7021-NBCPZ
Manufacturer Part Number
ADF7021-NBCPZ
Description
IC TXRX 80-650/842-916MHZ 48LFCS
Manufacturer
Analog Devices Inc
Datasheet
1.ADF7021-NBCPZ-RL.pdf
(64 pages)
Specifications of ADF7021-NBCPZ
Frequency
80MHz ~ 650MHz, 842MHz ~ 916MHz
Data Rate - Maximum
33kbps
Modulation Or Protocol
2-FSK, 3-FSK, 4-FSK, MSK
Applications
Keyless Entery, Pagers, WMTS
Power - Output
-16dBm ~ 13dBm
Sensitivity
-130dBm
Voltage - Supply
2.3 V ~ 6 V
Current - Receiving
26mA
Current - Transmitting
32.3mA @ 10dBm
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LFCSP
Receiving Current
26.4mA
Transmitting Current
20.2mA
Data Rate
24Kbps
Frequency Range
80MHz To 916MHz
Modulation Type
FSK, MSK
Rf Ic Case Style
LFCSP
No. Of Pins
48
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Product Depth (mm)
7mm
Product Length (mm)
7mm
Operating Supply Voltage (min)
2.3V
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
3.6V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
EVAL-ADF7021DBZ6 - BOARD EVAL ADF7021 608-614MHZEVAL-ADF7021DBZ5 - BOARD EVAL ADF7021EVAL-ADF7021DBZ3 - BOARD DAUGHTER FOR ADF7021EVAL-ADF7021DBZ2 - BOARD EVAL FOR ISM ADF7021
Memory Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ADF7021-NBCPZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
ADF7021-NBCPZ-RL7
Manufacturer:
ST
Quantity:
210
REGISTER 15—TEST MODE REGISTER
•
•
0
1
2
3
CAL_OVERRIDE
AUTO CAL
OVERRIDE GAIN
OVERRIDE BW
OVERRIDE BW AND GAIN
Analog RSSI can be viewed on the Test_A pin by setting
ANALOG_TEST_MODES to 11.
Tx_TEST_MODES can be used to enable test modulation.
0
1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
REG1_PD
NORMAL
PWR DWN
0
1
ANALOG_TEST_MODES
BAND GAP VOLTGE
40µA CURRENT FROM REG4
FILTER I CHANNEL: STAGE 1
FILTER I CHANNEL: STAGE 2
FILTER I CHANNEL: STAGE 1
FILTER Q CHANNEL: STAGE 1
FILTER Q CHANNEL: STAGE 2
FILTER Q CHANNEL: STAGE 1
ADC REFERENCE VOLTAGE
BIAS CURRENT FROM RSSI 5µA
FILTER COARSE CAL OSCILLATOR O/P
ANALOG RSSI I CHANNEL
OSET LOOP +VE FBACK V (I CH)
SUMMED O/P OF RSSI RECTIFIER+
SUMMED O/P OF RSSI RECTIFIER–
BIAS CURRENT FROM BB FILTER
FORCE_LD_HIGH
NORMAL
FORCE
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PLL_TEST_MODES
NORMA
R DIV
N DIV
RCNTR/2 ON MUXOUT
NCNTR/2 ON MUXOUT
ACNTR TO MUXOUT
PFD PUMP UP TO MUXOUT
PFD PUMP DN TO MUXOUT
SDATA TO MUXOUT (OR SREAD?)
ANALOG LOCK DETECT ON MUXOUT
END OF COARSE CAL ON MUXOUT
END OF FINE CAL ON MUXOUT
FORCE NEW PRESCALER CONFIG.
FOR ALL N
TEST MUX SELECTS DATA
LOCK DETECT PERCISION
RESERVED
L OPERATION
ANALOG_TEST_
MODES
PLL_TEST_
Figure 78. Register 15—Test Mode Register Map
0
1
2
3
4
5
6
7
MODES
NORMAL, NO OUTPUT
DEMOD CLK
CDR CLK
SEQ CLK
BB OFFSET CLK
SIGMA DELTA CLK
ADC CLK
TxRxCLK
CLK MUXES ON CLKOUT PIN
0
1
2
3
4
5
6
7
Rev. 0 | Page 63 of 64
0
1
2
3
4
5
6
7
PFD/CP_TEST_MODES
DEFAULT, NO BLEED
(+VE) CONSTANT BLEED
(–VE) CONSTANT BLEED
(–VE) PULSED BLEED
(–VE) PULSE BLD, DELAY UP?
CP PUMP UP
CP TRI-STATE
CP PUMP DN
CLK_MUX
Σ-Δ_TEST_MODES
DEFAULT, 3RD ORDER SD, NO DITHER
1ST ORDER SD
2ND ORDER SD
DITHER TO FIRST STAGE
DITHER TO SECOND STAGE
DITHER TO THIRD STAGE
DITHER × 8
DITHER × 32
•
0
1
2
3
4
5
6
The CDR block can be bypassed by setting Rx_TEST_
MODES to 4, 5, or 6, depending on the demodulator used.
Tx_TEST_MODES
NORMAL OPERATION
Tx CARRIER ONLY
Tx +VE TONE ONLY
Tx –VE TONE ONLY
Tx "1010" PATTERN
Tx PN9 DATA, AT PROGRAMED RATE
Tx SYNC BYTE REPEATEDLY
Σ-Δ_TEST_
MODES
Tx_TEST_
MODES
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Rx_TEST_MODES
NORMAL
SCLK, SDATA -> I, Q
REVERSE I,Q
CORRELATOR SLICER ON TxRxDATA
LINEAR SLICER ON RXDATA
SDATA TO CDR
ADDITIONAL FILTERING ON I, Q
ENABLE REG 14 DEMOD PARAMETERS
POWER DOWN DDT AND ED IN T/4 MODE
ENVELOPE DETECTOR WATCHDOG DISABLED
RESERVED
PROHIBIT CALACTIVE
FORCE CALACTIVE
ENABLE DEMOD DURING CAL
I,Q TO TxRxCLK, TxRxDATA
3FSK SLICER ON TxRxDATA
Rx_TEST_
MODES
ADF7021-N
ADDRESS
BITS