NXP digital VGAs BGA7204 & BGA7210 Digital wideband VGAs with high linearity & flexible current settings These 6-bit digital VGAs offer high linearity (35 [email protected] GHz) and high output power (23 [email protected] GHz) across a large bandwidth without external matching. Smart routing with no connection crosses simplifies design and decreases footprint by 25%. The unique power-save mode can effectively reduce the current consumption in TDD systems up to 45%. The BGA7210 adds flexible current distribution across its two amplifiers, depending on the attenuation state, to save current. Key features `` Internally matched for 50 Ω - BGA7204 = 0.4 to 2.75 GHz - BGA7210 = 0.7 to 3.8 GHz `` High maximum power gain - BGA7204 = 18.5 dB - BGA7210 = 30 dB `` High output third-order intercept, IP3O - BGA7204 = 38 dBm - BGA7210 = 39 dBm `` Attenuation range of 31.5 dB, 0.5 dB step size (6 bit) `` High output power, PL(1dB) - BGA7204 = 21 dBm - BGA7210 = 23 dBm `` Fast switching power-save mode (power down pin) `` Digitally controlled current setting from 120 to 195 mA with an optimum at 185mA (BGA7210 only) `` Simple control interfaces - BGA7204 SPI and parallel - BGA7210 SPI `` ESD protection on all pins (HBM 4 kV; CDM 2 kV) `` HVQFN32 (5 x 5 x 0.85 mm) Key benefits `` Wideband operation supports platforms with multiple frequency ranges `` Smart lead routing produces simpler design, decreases footprint by 25% `` Power-save mode can reduce current consumption in TDD systems up to 45% `` Flexible current setting (BGA7210) saves power `` Monolithic design enables high quality Applications `` GSM, W-CDMA, WiMAX, LTE basestations `` Wireless point-to-point and repeaters `` Cable modem termination systems `` Temperature-compensation circuits The NXP BGA7204 and BGA7210 are monolithic digital variable gain amplifiers (VGAs) that operate over an extremely wide range with high linearity and high output power. Designed for the transmit path of wireless architectures, these VGAs can be used to control the power level to the power amplifier. The up-converted signals are fed to the VGA, and thus help compensate for variations in cell load and the presence of aging infrastructure equipment. The BGA7204 operates in the range between 0.4 and 2.75 GHz, while the BGA7210 operates between 0.7 and 3.8 GHz. By supporting more than 2 GHz of bandwidth, these devices can be used to populate several frequency bands. An integrated power-save mode makes it possible to reduce consumption even more, to just 15 mA during a receive slot. This can effectively reduce the current consumption in Time Division Duplexing (TDD) systems up to 45%. The BGA7210 builds on the BGA7204 by adding flexible current setting across its two amplifiers, depending on the attenuation state. The serial peripheral interface is used to set the attenuation state, and, using a similar method, to set the current through the first and second amplifiers. The desired configuration is set by software and enables current savings of as much as 75 mA. Higher output power, higher peak gain, and smaller attenuator step sizes enable engineers to use fewer components and provide greater control to maintain and optimize performance in the transmit chain. Smart routing (with no connection crosses) reduces the number of board connections, simplifies design-in, and decreases the design footprint by 25%. The monolithic design increases reliability and ensures high quality. OM7921 – BGA7210 customer evaluation kit (also available OM7922 – BGA7204 CEK) Schematic of BGA7210 evaluation board (OM7921) VSUP C23 L1 C22 C26 C12 C25 PUPMXG/ VDDD VCC1 CLK SERIN SS SEROUT PWRDN 24 23 22 21 20 19 17 VDDA 16 C14 C24 C18 15 VCC2 C17 C1 RF_IN 29 L2 C27 12 RF_OUT RF_OUT Csh aaa-000665 Selection guide Type number BGA7204 BGA7210 Package SOT617-3 SOT617-3 frange [min] (MHz) frange [max] (MHz) @VCC (V) @ICC [typ] (mA) Gp @ minimum attenuation (dB) Attenuation range (dB) IP3O [typ] (dBm) PL(1dB) [typ] (dBm) NF [typ] (dB) 400 700 5 115 18.5 31.5 38.0 21.0 7.0 700 1450 5 115 18.5 31.5 37.5 21.0 6.5 1450 2100 5 115 17.5 30.5 36.0 20.5 6.5 2100 2750 5 115 16.5 30.0 34.0 20.0 7.0 6.5 700 1400 5 185 30.0 31.5 39.0 21.0 1400 1700 5 185 29.5 31.5 37.0 21.0 6.5 1700 2200 5 185 29.0 31.5 35.0 21.0 6.5 2200 2800 5 185 28.0 30.5 35.0 23.0 7.0 3400 3800 5 185 26.0 29.5 27.0 19.0 8.0 www.nxp.com © 2012 NXP Semiconductors N.V. All rights reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The Date of release: February 2012 information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and Document order number: 9397 750 17239 may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof Printed in the Netherlands does not convey nor imply any license under patent- or other industrial or intellectual property rights.