Datasheet > EVAL-ADF7901EB

EVAL-ADF7901EB

更新时间： 2024-11-27 12:52:31

品牌	Logo	应用领域
亚德诺 - ADI		ISM频段
页数	文件大小	规格书
12页	171K
描述
High Performance ISM Band OOK/FSK Transmitter IC

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EVAL-ADF7901EB 数据手册

High Performance ISM Band

OOK/FSK Transmitter IC

ADF7901

FEATURES

GENERAL DESCRIPTION

Single-chip, low power UHF transmitter

369.5 MHz to 395.9 MHz frequency operation using

fractional-N PLL and fully integrated VCO

The ADF7901 is a low power OOK/FSK UHF transmitter

designed for use in RF remote control devices. It is capable of

frequency shift keying (FSK) modulation on eight different

channels, selectable by three external control lines. OOK

modulation is performed by modulating the PA control line.

3.0 V supply voltage

Data rates up to 50 kbps supported

Low current consumption

26 mA at 12 dBm output at 384 MHz

Power-down mode (<1 μA)

24-lead TSSOP

The on-chip VCO operates at 2× the output frequency. The

division by 2 at the output of the VCO reduces the amount of

PA feedthrough. As a result, OOK modulation depths of greater

than 50 dB are easily achievable.

The FSK_ADJ and ASK_ADJ resistors can be adjusted in the

system to optimize output power for each modulation scheme.

An additional 1.5 dB of output power is provided for the lower

bank of channels to adjust for antenna performance. The CE

line allows the transmitter to be powered down completely.

In this mode, the leakage current is typically 0.1 μA.

FUNCTIONAL BLOCK DIAGRAM

REG2

PA_EN

VCO

OSC1

OSC2

VCO

OUT

R = 1

GND

PDF

CHARGE

PUMP

REG1

LDO

REGULATOR

⎟ FRACTIONAL N

LDO

REGULATOR

REG2

TXDATA

Σ-Δ

FSK

CHANNEL SELECT

SET

OOK_SEL

FSK1 FSK2 FSK3

GND

RSET_FSK

RSET_OOK

Figure 1.

Rev. A

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与EVAL-ADF7901EB相关器件

型号	品牌	获取价格	描述	数据表
EVAL-ADF7XXXMB3Z	ADI	获取价格	Low Power IEEE 802.15.4/Proprietary GFSK/FSK Zero-IF 2.4 GHz Transceiver IC
EVAL-ADF7XXXMB4Z	ADI	获取价格	Easy to Use, Low Power, Sub GHz, ISM/SRD, FSK/GFSK, Transceiver IC
EVAL-ADF9010EBZ	ADI	获取价格	900 MHz ISM Band Analog RF Front End
EVAL-ADG4612EBZ	ADI	获取价格	Power-Off Protection Â±5 V, 12 V, Quad SPST S
EVAL-ADG772EBZ	ADI	获取价格	CMOS Low Power Dual 2:1 Mux/Demux USB 2.0 (480 Mbps)/USB 1.1 (12 Mbps)
EVAL-ADG788EBZ	ADI	获取价格	2.5ohm, 1.8V to 5.5V, 2.5V, -2.5V Triple/Quad SPDT Switches in Chip Scale Packages
EVAL-ADG790EBZ	ADI	获取价格	Low Voltage, CMOS Multimedia Switch
EVAL-ADG793GEB2	ADI	获取价格	I2C-Compatible, Wide Bandwidth, Triple 3:1 Multiplexer
EVAL-ADG795GEB2	ADI	获取价格	I2C-Compatible, Wide Bandwidth, Five 2:1 Multiplexer
EVAL-ADG796AEB	ADI	获取价格	I2C-Compatible, Wide Bandwidth, Hex 2:1 Multiplexer

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