at86rf525b ATMEL Corporation, at86rf525b Datasheet
at86rf525b
Related parts for at86rf525b
at86rf525b Summary of contents
Page 1
... AT86RF525B is a fully integrated, low cost RF 2.5GHz Low-IF/Zero-IF con- version transceiver for WiMAX applications. It combines excellent RF performance, small size, and low current consumption. The AT86RF525B chip is fabricated on the advanced SiGe BiCMOS process AT46000. The transceiver combines LNA, PA driver, RX/TX mixer, RX/TX filters, VCO, Synthesizer, RX Gain control, and TX Power control, all fully digitally controlled ...
Page 2
... Figure 1. AT86RF525B Block Diagram AT86RF525B [Preliminary] 2 LNA Driver RX Gain TX Power Control Control I Q Synthe- sizer I Q Config CLK Register 5189A–WiMAX–9/07 ...
Page 3
Quick Reference Data Table 1. Quick Reference Data Symbol Parameter F Input Center Frequency RF DFRS Frequency Resolution V Supply Voltage DD I Supply Current DDRX I Supply Current DDTX I Supply Current DDSYN I Supply Current DDSTB Sensitivity QPSK ...
Page 4
... Error Vector Magnitude Z IQ Input Impedance Input Voltage Input Voltage IN,DC Notes: 1. VDD=3.0V, TAMB =27°C, FRF=3.55 GHz, specific application circuit TBD, unless otherwise noted. 2. Internally adjusted by build-in self-calibration. AT86RF525B [Preliminary] 4 1.875MHz 2.7MHz 3.75MHz 5MHz Note2 Note 2 1.2 Conditions Min System 2.3 For 64QAM modulated signals ...
Page 5
... Functional Description The AT86RF525B is based on the IEEE 802.16-2004 standard. This product will provide trans- mit, receive, and frequency synthesis functions using the OFDM modulation schemes, as defined in the above specifications. The AT86RF525B consists of a frequency-agile RF transceiver intended for use in 2.5GHz licensed bands at data rates up to 26Mbps. ...
Page 6
... The PID allows for very good frequency resolution and fast tuning speed. It also has the speed and power advantages of an asynchronous divider and is fully programmable within a restricted frequency range. AT86RF525B [Preliminary] 6 5189A–WiMAX–9/07 ...
Page 7
SPI Interface Serial peripheral interface SPI controls the transceiver. This 4-wire bus contains the ports SDE, SCL, SDI and SDO. The SPI has an 8-bit organization. Each transmission starts with a com- mand byte with the following structure: MSB CMD ...
Page 8
... DTB input/output signal for testing purposes, connection and direction is configurable over SPI. VSSDIG 23 Ground Supply SPI Interface Pads and of Digital Circuit Modules VDDDIG 24 Voltage Supply of Digital Circuit Modules VDDBBIF 25 Voltage Supply of Digital Base Band Interface Pads AT86RF525B [Preliminary] 8 5189A–WiMAX–9/07 ...
Page 9
Table 4. Pin Description Pin Pin No. Description SPI Enable Digital Input NSDE 26 The rising edge of SCL and a low SDE indicate the start of a data transmission to the SPI slave SPI Clock Digital Input SCL 27 ...
Page 10
... Ground Supply of PLL Analog Divider Modules CVI 54 VCO Control Voltage IO (Testpin) VSSVCO 55 Ground Supply of Synthesizer modules VCO and APLF VDDVCO 56 Voltage Supply of Synthesizer modules VCO and APLF Note: Additional ground supplies are generated by down bonds to exposed paddle AT86RF525B [Preliminary] 10 5189A–WiMAX–9/07 ...
Page 11
Figure 3. Pin Information FSW PIN1 VSSDPLL PIN2 VDDDPLL PIN3 VDDBBIF PIN4 PIN5 PTX RFRX1 PIN6 RFRX2 PIN7 PIN8 VSSRFRX PIN9 VDDRFRX ATB PIN10 VDDRFTX1 PIN11 VDDRFTX1 PIN12 VDDRFTX2 PIN13 PIN14 VDDRFTX2 5189A–WiMAX–9/07 AT86RF535B QFN56 VDDBBRX PIN42 VSSBBRX PIN41 BBRXQN ...
Page 12
... Dimension b applies to metallized terminal and is measured between 0.15 mm and 0.30 mm from the terminal tip. If the terminal has the optional radius on the other end of the terminal, the dimension should not be measured in that radius area. 2325 Orchard Parkway San Jose, CA 95131 R AT86RF525B [Preliminary TOP VIEW ...
Page 13
Revision History Doc. Rev. 5189A 5189A–WiMAX–9/07 Date Comments 9/2007 Initial document release. 13 ...
Page 14
... Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. © 2007 Atmel Corporation. All rights reserved. Atmel Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. International Atmel Asia ...