ADF7021BCPZ - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADF7021BCPZ
Manufacturer

ADI
ChipWorker Part#

CW173030
Category

RF Module
Package

LFCSP-48
Description

RF Transceiver IC, 80MHz to 950MHz, 2FSK, 3FSK, 4FSK, MSK, 32.8Kbps, 2.3V to 3.6V, LFCSP-48
Documentation

Datasheet

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ADF7021BCPZ Specifications

Attribute	Attribute Value

Part Number	ADF7021BCPZ
Manufacturer	ADI
ChipWorker Part#	CW173030
Category	RF Module
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	48 Pin
Case/Package	LFCSP-48
Frequency	80MHz ~ 650MHz, 862MHz ~ 940MHz
Supply Voltage (DC)	3.00 V
Number of Positions	48 Position
Data Rate	32.8 kbps
Output Power	13 dBm
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	2.3V ~ 3.6V
Supply Voltage (Max)	3.6 V
Supply Voltage (Min)	2.3 V
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Size-Length	7 mm
Size-Width	7 mm
Size-Height	0.83 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tray
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2013/06/20
ECCN Code	EAR99
HK STC License	NLR

Product Description

Product Details
The ADF7021 is a low power, highly integrated 2FSK/3FSK/4FSK transceiver. It is designed to operate in the narrow-band, license-free ISM bands and licensed bands in the 80 MHz to 650 MHz and 862 MHz to 940 MHz frequency ranges. It has both Gaussian and raised cosine data filtering options to improve spectral efficiency for narrow-band applications.
It is suitable for circuit applications targeted at European ETSI-EN 300-220, the Japanese ARIB STD-T67, the Chinese Short Range Device regulations, and the North American FCC Part 15, Part 90, and Part 95 regulatory standards. A complete transceiver can be built using a small number of external discrete components, making the ADF7021 very suitable for price-sensitive and area-sensitive applications.
The transmit section contains a voltage controlled oscillator (VCO) and a low noise fractional-N PLL with output resolution of <1 ppm. This frequency-agile PLL allows the ADF7021 to be used in frequency hopping spread spectrum (FHSS) systems. The VCO operates at twice the fundamental frequency to reduce spurious emissions and frequency pulling problems. The transmitter output power is programmable in 63 steps from −16 dBm to +13 dBm and has an automatic power ramp control to prevent spectral splatter and help meet regulatory standards. The transceiver RF frequency, channel spacing, and modulation are programmable using a simple 3-wire interface. The device operates with a power supply range of 2.3 V to 3.6 V and can be powered down when not in use.
A low IF architecture is used in the receiver (100 kHz), minimizing power consumption and the external component count while avoiding interference problems at low frequencies. The IF filter has programmable bandwidths of 12.5 kHz, 18.75 kHz, and 25 kHz. The ADF7021 supports a wide variety of programmable features including Rx linearity, sensitivity, and IF bandwidth, allowing the user to trade off receiver sensitivity and selectivity against current consumption, depending on the application. The receiver also features a patent-pending automatic frequency control (AFC) loop with programmable pull-in range, allowing the PLL to track out the frequency error in the incoming signal.
An on-chip ADC provides readback of an integrated tempera¬ture sensor, an external analog input, the battery voltage, and the RSSI signal, which provides savings on an ADC in some applications. The temperature sensor is accurate to ±10°C over the full operating temperature range of −40°C to +85°C. This accuracy can be improved by doing a 1-point calibration at room temperature and storing the result in memory.
### Features and Benefits
Low power, high performance, narrowband transciever
Frequency Bands: 80-650MHz and 862-940MHz
Modulation schemes: 2FSK, 3FSK, 4FSK
Spectral shaping: Gaussian and Raised Cosine Filtering
Automatic PA ramp
Data rates supported: 0.05kps to 25kbps
Programmable output power: -16dBm to +13dBm
Low IF architecture with programmable IF bandwidths of 12.5/18.5/25kHz
2.3V to 3.6V Power Supply
Receiver sensitivity: -123dBm @ 1kbps FSK
Fully automatic frequency control loop (AFC)compensates for lower tolerance crystals
High Accuracy digital RSSI and integrated Tx/Rx switch

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