The ADL5570 is a high linearity 2.3 GHz to 2.4 GHz power amplifier designed for WiMAX terminals using TDD operation at a duty cycle of 31%. With a gain of 29 dB and an output compression point of 31 dBm at 2.35 GHz, it can operate at an output power level up to 26 dBm while maintaining an EVM of ≤3% (OFDM 16 or 64 QAM) with a supply voltage of 3.5 V. PAE is 20% @ P_OUT = 25 dBm.

The ADL5570 RF input is matched on-chip and provides an input return loss of less than −10 dB. The open-collector output is externally matched with strip-line and external shunt capacitance.

The ADL5570 operates over a supply voltage range from 3.2 V to 4.2 V with a supply current of 440 mA burst rms when delivering 25 dBm (3.5 V supply). A low power mode is also available for operation at power levels of ≤10 dBm with optimized operating and quiescent currents of 100 mA and 70 mA, respectively. A standby mode is available that reduces the quiescent current to 1 mA, which is useful when a TDD terminal is receiving data.

The ADL5570 is fabricated in a GaAs HBT process and is packaged in a 4 mm × 4 mm, 16-lead, Pb-free RoHS-compliant LFCSP that uses an exposed paddle for excellent thermal impedance. It operates from −40°C to +85°C.

Applications

WiMAX/WiBro mobile terminals

Data Sheet, Rev. 0, 6/07

Part#	Frequency Range (MHz)	Gain (dB)	Output IP3 (dBm)	1 dB Comp Point (dBm)	Noise Figure (dB)	Supply Current (max)	Specs @ (MHz)	Function	Package	Price* (1000-4999)
AD8353	1 to 2700	19.5	22.8	8.3	5.6	42mA	900	Gain Block	8-Lead LFCSP	$0.49
AD8354	1 to 2700	19.5	19.3	4.8	4.4	25mA	900	Gain Block	8-Lead LFCSP	$0.49
ADL5320	400 to 2700	13.7	42	25.6	4.2	104mA	2140	Driver	SOT-89	$2.58
ADL5321	2300 to 4000	14	40	25	4	84mA	2600	Driver	3-Lead SOT-89	$2.58
ADL5322	700 to 1000	19.9	45.3	27.9	5	320mA	900	Driver	8-Lead LFCSP	$3.52
ADL5323	1700 to 2400	19.5	43.5	28	5	320mA	2140	Driver	8-Lead LFCSP	$3.52
ADL5521	400 to 4000	15.3	35.3	22.5	0.8	65mA	1950	LNA	8-Lead LFCSP	$2.18
ADL5523	400 to 4000	17.5	33.7	21.9	1	65mA	1950	LNA	8-Lead LFCSP	$2.18
ADL5530	dc to 1000	16.8	37	21.8	3	110mA	190	IFA	8-Lead LFCSP	$1.58
ADL5531	20 to 500	20.9	41	20.4	2.5	100mA	70	IFA	8-Lead LFCSP	$1.87
ADL5534	20 to 500	19.8	41.8	20	2.5	90mA	70	Dual IFA	16-Lead LFCSP	$3.00
ADL5541	50 to 6000	14.7	39.2	16.3	3.8	92mA	2000	Gain Block	8-Lead LFCSP	$1.67
ADL5542	50 to 6000	18.7	39	18	3.2	92mA	2000	Gain Block	8-Lead LFCSP	$1.67
ADL5570	2300 to 2400	29	-	31	-	100mA	2350	Pwr Amp w/ Power Control	16-Lead LFCSP	$5.06
ADL5571	2500 to 2700	29	-	31	-	130mA	2600	WiMAX Power Amplifier	16-Lead LFCSP	$5.06

* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

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• 民用温度范围：0 ºC～＋70 ºC
• 军用温度范围：－55ºC ～＋125ºC
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