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2.4G射频(RF)芯片

WL1610

2018-4-17

High TX power 2.4GHz RF Transceiver

1、General Description

WL1610 is a type of low cost, high integration intensity, high transmit power and 2.4 GHZ wireless transceiver chip, where are integrated with transmitter,receiver,frequency synthesizer GFSK and modulator-demodulator. WL1610 has advantages of high sensitivity, low power consumption and strong antijamming capacity. It’s suitable for wireless remote control, wireless communication,industrial control and other fields.

FIFO register to send and receive on the chip can communicate and conduct data storage with MCU, and can transmit in air with the max data rate of 1Mbps. It’s built in with CRC, FEC, Auto-ACK and retransmission system, which can hugely simplify system design and optimize performance. At the same time, it has simple peripheral circuit, and only has to be matched with MCU and a few peripheral passive devices. To improve the using life of battery, chip will reduce its power dissipation in each link. The lowest working pressure of chip can be 1.9 V. The lowest sleep mode electricity is less than 1uA. Digital baseband support 4-line SPI and 2-line I2C connector. PKT_FLAG digital connector can be as the interrupted input of MCU.

2、Key Features

l 2.4GHz ISM-Band Low-Power, GFSK RF transceiver

l Max air data rate 1Mbps，min air data rate 32Kbps

l DSSS MODEM

l Embedded 8-bit framer with 64-byte buffer offloads MCU for other tasks

l Simple microprocessor interface – SPI, I2C

l Great C/I provides excellent WIFI coexisting performance

l Programmable data whitening and auto_ack

l Supports Forward Error Correction (FEC), Increases the reliability of communication

l Supports 8/16-bit CRC

l Supports AGC

l Power management for minimizing current consumption (<1uA sleep current)

l Tolerant crystal with variation up to 50PPM

l FCC/ETSI compliance

l 110℃ operating temperature, applies to LED light ( crystal’s PPM within ±50ppm )

l Close-up mode for environments with specific security requirements

l Supports QFN20, SOP16 packages

3、Block Diagram

Figure 1 WL1610 Block Diagram

4、Electrical Characteristics

Chart 1 electrical characteristics(TA=25°C, VDD=3.3V if nothing else stated.)

Parameters	Description	Specification			Units	Notes
Parameters	Description	MIN	TYP	MAX	Units	Notes
T_OP	Operating Temperature	-40		85	℃	1610’s maximum operating temperature: 110 ℃
V_DD	Power supply range	1.9		3.6	V
F_{_xtal}	Crystal frequency		12		MHz	50PPM tolerance
I_{DD_TX}	TX Current		95		mA	POUT = 17dBm
I_{DD_RX}	RX Current		21		mA
I_{DD_IDLE}	IDLE Current		1		mA
I_{DD_SLP}	Sleep Current		1		uA	3.0v at Room temperature
F_CLK	Output clock		12		MHz
T_{r_spi}	SPI_CLK rise, fall time			25	ns	Requirement for error-free register reading，writing.
F_{_SPI}	SPI_CLK frequency range	0		12	MHz
F_{_OP}	Operating Frequency Range	2400		2482	MHz
VSWR	Antenna port mismatch (Z0=50W)		<2:1		VSWR
RXS	Receiver sensitivity	-103	-88	-83	dBm	BER <= 0.1%
RXM	Maximum useable signal	-10			dBm	BER <= 0.1%
IIP3	Input 3rd order intercept point	-15	-12		dBm	BER <= 0.1%
R_{_data}	Data/Symbol Rate	32K		1M	Bit/s
CI_{_co-channel}	Carrier/Interference at co-channel		9		dB
CI_{_1MHz}	Carrier/Interference at 1MHz offset		-1		dB	-60 dBm desired signal.
CI_{_2MHz}	Carrier/Interference at 2MHz offset		-27		dB	-60 dBm desired signal.
CI_{_3MHz}	Carrier/Interference at 3MHz offset		-35		dB	-60 dBm desired signal.
CI_{_Image}	Carrier/Interference at image frequency		-20		dB	-67 dBm desired signal.
CI_{_3MHzUp}	Carrier/Interference at >3MHz offset		-33		dB	-60 dBm desired signal.
OBB_1	Out-of-Band Blocking		-10		dBm	30 MHz to 2000 MHz
OBB_2		-27			dBm	2000 MHz to 2400 MHz
OBB_3		-10			dBm	3000 MHz to 12.75 GHz
P_{out_max}	Max RF Output Power		17		dBm	Power Level MAX
P_out	Min RF Output Power		0		dBm	Power Level MIN
D_F1avg	Peak FM Deviation 00001111 pattern		250		kHz	Modulation Characteristics TX EYE diagram
D_F2max	Peak FM Deviation 01010101 pattern		220		kHz	Modulation Characteristics TX EYE diagram
DF_2max /DF_1avg	TX EYE opening	80			%	1010 data sequence referenced to 00001111 data sequence
IBS_1	In-Band Spurious Emission (+/- 550kHz)			-20	dBm	Random data
IBS_2	In-Band Spurious Emission 2MHz offset			-40	dBm	Random data
IBS_3	In-Band Spurious Emission 3MHz offset			-60	dBm	Random data
OBS_1	Out-of-Band Spurious Emission			-60	dBm	30 MHz ~ 1 GHz
OBS_2				-45	dBm	1 GHz ~ 12.75 GHz
OBS_3				-60	dBm	1.8 GHz ~ 1.9 GHz
OBS_4				-65	dBm	5.15GHz ~ 5.3 GHz

5、Pin Description

Figure 2 WL1610 pin assignments (top view) for the QFN20 package

Chart 2 QFN20 Pin Description

PIN

Name

Pin Function

Description

1

CE/EXTREST

Digital Input

Chip Enable Activates RX or TX mode

2

SPI_CSN

Digital Input

SPI Chip Select

3

SPI_CLK

Digital Input

SPI Clock,I2C Clock(*default SPI )

4

SPI_MOSI

Digital Input

SPI Slave Data Input

5

SPI_MISO

Digital Output

SPI Slave Data Output,I2C Data(*default SPI )

6

PKT_FLAG

Digital Output

Transmit packet or receiving pack done flag

7

VDD

Power

Input voltage

8

MONIp

Analog Output

Only for testing

9

XTALO

Analog Output

Crystal Pin (inverter output)

10

XTALI

Analog Input

Crystal Pin(inverter input)

11

VSS

Ground

Ground

12

ANT_RXP

RF

Antenna Interface

13

ANT_RXN

RF

Antenna Interface

14

ANT_TX

RF

Antenna Interface

15

VSS

Ground

Ground

16

VSS

Ground

Ground

17

VSS

Ground

Ground

18

VDD

Power

Input voltage or No Connection

19

VSS

Ground

Ground

20

FIFO_FLAG

Digital Output

FIFO Empty or Full Flag

Figure 3 WL1610 SOP16 package

Chart 3 WL1610 SOP16 Pin Description

PIN	Name	Pin Function	Description
1	FIFO_FLAG	Digital Output	FIFO Empty or Full Flag
2	CE/EXTREST	Digital Input	Chip Enable Activates RX or TX Mode
3	SPI_CSN	Digital Input	SPI Chip Select
4	SPI_CLK	Digital Input	SPI Clock,I2C Clock(**default SPI* )
5	SPI_MOSI	Digital Input	SPI Slave Data Input, I2C 5A
6	SPI_MISO	Digital Output	SPI Slave Data Output, I2C Data(**default SPI* )
7	PKT_FLAG	Digital Output	Transmit Packet or Receiving Pack Done Flag
8	MONIp	Analog Output	Only for testing
9	XTALO	Analog Output	Crystal Pin (inverter output)
10	XTALI	Analog Input	Crystal Pin(inverter input)
11	VSS	Power	Ground
12	ANT_RXP	RF	Antenna Interface
13	ANT_RXN	RF	Antenna Interface
14	ANT_TX	RF	Antenna Interface
15	VSS	Ground	Power
16	VDD	Power	Input voltage

2.4G射频(RF)芯片

Sub-1G射频芯片

BLE4.0蓝牙芯片

NFC芯片

Power supply range

Crystal frequency

TX Current

RX Current

IDLE Current

Sleep Current

Output clock

SPI_CLK rise, fall time

SPI_CLK frequency range

Operating Frequency Range

Antenna port mismatch (Z0=50W)

Receiver sensitivity

Maximum useable signal

Input 3rd order intercept point

Data/Symbol Rate

Carrier/Interference at

co-channel

Carrier/Interference at

1MHz offset

Carrier/Interference at

2MHz offset

Carrier/Interference at

3MHz offset

Carrier/Interference at

image frequency

Carrier/Interference at

>3MHz offset

Out-of-Band Blocking

Max RF Output Power

Min RF Output Power

Peak FM Deviation

00001111 pattern

DF2max

Peak FM Deviation

01010101 pattern

TX EYE opening

In-Band Spurious Emission

(+/- 550kHz)

Random data

In-Band Spurious Emission

2MHz offset

Random data

In-Band Spurious Emission

3MHz offset

Random data

Out-of-Band Spurious Emission

合作伙伴

Antenna port mismatch
(Z0=50W)

D_F2max