The AD8316 is a complete, low cost subsystem for the precise control of dual RF power amplifiers (PAs) operating in the frequency range 0.1 GHz to 2.5 GHz and over a typical dynamic range of 50 dB. The device is a dual output version of the AD8315 and intended for use in dual-band or triband cellular handsets and other battery-operated wireless devices where a separate power control signal is required for each band. The logarithmic amplifier technique provides a much wider measurement range and better accuracy than is possible using controllers based on diode detectors. In particular, multiband and multimode cellular designs can benefit from the temperature-stable (-30°C to +85°C) operation over all cellular telephony frequencies.

Its high sensitivity allows control at low input signal levels, thus reducing the amount of power that needs to be coupled to the detector. The selected output, OUT1 or OUT2, has the voltage range and current drive to directly connect to the gain control pin of most handset power amplifiers; the deselected output is pulled low to ensure that the inactive PA remains off. Each output has a dedicated integrating filter capacitor that allows separate control loop settings for each PA. OUT1 and OUT2 can swing from 125 mV above ground to within 100 mV below the supply voltage. Load currents of up to 12 mA can be supported.

The setpoint control input applied to pin VSET has an operating range of 0.25V to 1.4V. The input resistance of the setpoint interface is over 100 MW, and the bias current is typically 0.5µA.

The AD8316 is available in 10-lead MSOP and 16-lead LFCSP packages and consumes 8.5 mA from a 2.7 V to 5.5 V supply. When it is powered down, the sleep current is 4 µA.

Part#	Product Description	RF Frequency (MHz)	Dynamic Range (dB)	Temp Stability (dB)	Response Time (ns typ)	Voltage Supply (V)	Supply Current (max)	Package	Price* (1000-4999)
AD606	Limiter Output	-	80	-	400	4.5 to 5.5	13	16-Lead DIP, 16-Lead SOIC	$22.00
AD640	Military Specified Part Available	-	50	±1	10	+/- 4.5 to +/- 7.5	44	20-Lead DIP, 20-Lead LCC, 20-Lead PLCC	$36.48
AD641	Military Specified Part Available	-	44	±1	10	+/- 4.5 to +/- 7.5	44	20-Lead DIP, 20-Lead LCC, 20-Lead PLCC	$32.82
AD8302	Dual-Channel Gain and Phase Outputs	2,700	60	±1	60	2.7 to 5.5	19	14-Lead TSSOP	$12.14
AD8306	Military Specified Part Available	5 to 400	100	±1	73	2.7 to 5.5	16	16-Lead SOP	$14.67
AD8307	High Dynamic Range	dc to 500	92	±1	400	2.7 to 5.5	8	8-Lead SOIC/DIP	$6.07
AD8309	Limiter Output	5 to 500	100	±1	67	2.7 to 5.5	16	16-Lead TSSOP	$7.84
AD8310	High Dynamic Range	dc to 440	100	±1	15	2.7 to 5.5	8	8-Lead SOIC	$4.00
AD8311	Low Power for Battery Operation	100 to 2500	50	±0.5	150	2.7 to 5.5	8.5	WLCSP	$1.27
AD8312	Low Power for Battery Operation	50 to 3500	45	±0.5	70	2.7 to 5.5	4.2	WLCSP	$1.27
AD8313	Industry Standard	100 to 2500	70	±1.25	40	2.7 to 5.5	14	8-Lead uSOIC	$7.99
AD8314	Industry Standard	100 to 2700	45	±1	70	2.7 to 5.5	4.5	8-Lead uSOIC/CSP	$1.10
AD8315	Low Power for Battery Operation	100 to 2500	50	±1	150	2.7 to 5.5	8.5	8-Lead uSOIC	$4.00
AD8316	Dual Output AD8315	100 to 2500	49	±1	50	2.7 to 5.5	8.5	16-Lead CSP	-
AD8317	Available in Die	1 to 10000	55	±0.5	6	3 to 5.5	20	8-Lead CSP	$3.98
AD8318	Integrated Temp Sensor	1 to 8000	70	±0.5	10	4.5 to 5.5	68	16-Lead CSP	$5.05
AD8319	Pin-compatible with AD8317	1 to 10000	45	±0.5	6	3 to 5.5	22	8-Lead CSP	$1.77
ADL5513	125°C Operation, Broadband	1 to 4000	80	±0.5	10	2.7 to 5.5	-	16-Lead CSP	-
ADL5519	Dual-Channel AD8317	1 kHz to 10000	62	±0.5	6	3 to 5.5	56	32-Lead LFCSP	$5.04

* 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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