The AD9969 is a single-supply cable modem/set-top box mixed-signal front end. The device contains a transmit path interpolation filter, a complete quadrature digital up-converter, and transmit DAC. The receive path contains dual 12-bit ADC and a 10-bit ADC. All internally required clocks and an output system clock are generated by the PLL from a single crystal oscillator or clock input.

The transmit path interpolation filter provides an up-sampling factor of 8× with an output signal bandwidth up to 8.7 MHz for 1dB passband ripple. Carrier frequencies up to 65 MHz with 26 bits of frequency tuning resolution can be generated by the direct digital synthesizer (DDS). The transmit DAC resolution is 14 bits and can run at sampling rates as high as 232 MSPS. Analog output scaling from 0 dB to 7.5 dB in 0.5 dB steps is available to preserve SNR when reduced output levels are required.

The 12-bit ADCs provide excellent under-sampling performance, allowing this device to sample IF inputs up to 70 MHz. The 12-bit IF ADCs can sample at rates up to 29 MSPS, allowing the AD9969 to process wideband signals.

The AD9969 includes two programmable sigma-delta DACs, which can be used to control an external components such as a variable gain amplifier (VGA) or a voltage controlled tuner.

The AD9969 also integrates a CA port that enables a host processor to control programmable gain amplifier (PGA) cable drivers, such as AD832x series, via the MxFE™ serial port.

The AD9969 is available in a lead-free 100-lead LQFP package. The AD9969 is specified over the commercial ( 0°C to +70°C) temperature range.

Applications

Cable set-top boxes

Cable and wireless modems

Part#	RxTx Function	Channel BW MHz	IF or RF Range MHz	Primary Application	Supply V	Product Description	Price* (1000-4999)	Resolution (Bits)	# Chan	T-Put Rate
AD9868	Bband CODEC	-	-	Broadband Wireline, Home Networking	Multi(+3.3Anlg, +3.3Dig)	10-Bit DAC/80 MSPS, 10-Bit ADC, Mixed-Signal Front-End for Broadband Modem Applications	-	10	1	80MSPS
AD9865	Bband CODEC	35	DC-40	Broadband Wireline, Home Networking	Single(+3.3)	10-Bit DAC/80 MSPS, 10-Bit ADC, Mixed-Signal Front-End for Broadband Modem Applications	$10.07	10	1	80MSPS
AD9869	Bband CODEC	54	DC-40	Broadband Wireline, Home Networking	Multi(+3.3Anlg, +3.3Dig), Single(+3.3)	12-Bit DAC/80 MSPS, 12-Bit ADC, Mixed-Signal Front-End for Broadband Modem Applications	$18.27	12	1	80MSPS
AD9866	Bband CODEC	35	DC-40	Broadband Wireline, Home Networking	Single(+3.3)	12-Bit DAC/80 MSPS 12-Bit ADC, Mixed-Signal Front-End for Broadband Modem Applications	$18.77	12	1	80MSPS
AD9863	Bband Quadrature CODEC	25/40	DC-40	Broadband Wireless	Single(+3), Single(+3.3)	Dual, 12-Bit DAC/12-Bit 50/80 MSPS ADC, Mixed-Signal Front-End Processor (MxFE™) For Bband Apps	$21.68	12	2	50MSPS
AD9861-50	Bband Quadrature CODEC	25	DC-40	Broadband Wireless	Single(+3), Single(+3.3)	Dual 10-Bit DAC/Dual 50 MSPS ADC Mixed-Signal Front-End (MxFE™) For Broadband Comms Apps	$10.84	10	2	50MSPS
AD9861-80	Bband Quadrature CODEC	40	DC-40	Broadband Wireless	Single(+3), Single(+3.3)	Dual 10-Bit DAC/Dual 80 MSPS ADC Mixed-Signal Front-End (MxFE™) For Broadband Comms Apps	$10.84	10	2	80MSPS
AD9862	Bband Quadrature CODEC	32	DC-100	Broadband Wireless	Single(+3.3)	Dual 14-Bit DAC/Dual 12-Bit ADC Mixed Sig Front-End (MxFE™) for Bband Comms, Rx&Tx PGA, Digital SSB	$30.11	12	2	64MSPS
AD9860	Bband Quadrature CODEC	32	DC-100	Broadband Wireless	Single(+3.3)	Dual 12-Bit DAC/Dual 10-Bit ADC Mixed Sig Front-End (MxFE™) for Bband Comms, Rx&Tx PGA, Digital SSB	$13.90	10	2	64MSPS
AD6600	IF-to-Bits Rx Subsys	5 to 10	70-250	Wireless Infrastructure	Multi(+3.3, +5), Single(+5)	11-Bit, 1-Channel 20MSPS, or 2-Channel 10 MSPS Gain-Ranging ADC with RSSI	$38.96	11	2	20MSPS
AD9864	IF-to-Bits Rx Subsys	0.007 to 0.270	10-300	Narrowband Radio, Portable & Mobile Radio	Single(+3), Single(+3.3)	24-Bit Bandpass Sigma-Delta ADC/IF Digitizing Subsystem	$10.07	24	1	375kSPS
AD9874	IF-to-Bits Rx Subsys	0.007 to 0.270	10-300	Narrowband Radio, Portable & Mobile Radio	Single(+3), Single(+3.3)	24-Bit Bandpass Sigma-Delta ADC IF Digitizing Subsystem	$15.14	24	1	541.5kSPS
AD6650	IF-to-Bits Rx Subsys	3.5	70-300	Wireless Infrastructure	Single(+3), Single(+3.3)	16/24-Bit, 1 MSPS, Diversity IF-to-Baseband GSM/EDGE Narrowband Receiver	$20.64	24	2	1MSPS
AD9969	Multi-Chan Bband CODEC	8	DC-70	Cable Modem/Set Top Box	Single(+3.3)	3.3 V CMOS MxFE™ Mixed Signal Front End for broadband Set Top Box And Cable Modem applications	$14.42	12	3	29MSPS
AD9878	Multi-Chan Bband CODEC	8	DC-70	Cable Modem/Set Top Box	Single(+3.3)	Dual 12-Bit, 29 MSPS Direct IF ADC/12-Bit Direct IF DAC, Mixed-Signal Front-End for Broadband Apps	$13.68	12	4	29MSPS
AD9879	Multi-Chan Bband CODEC	8	DC-70	Cable Modem/Set Top Box	Single(+3.3)	12-Bit Mixed-Signal Front-End for Set Top Box & Cable Modem Applications	$12.12	12	5	29MSPS

* 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.
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• Commercial: 0 to +70 degrees Celsius
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• Automotive: -40 to +125 degrees Celsius

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