The AD9975 is an integrated single supply broadband modem mixed signal front end (MxFE) IC similar to the AD9875. Like the AD9875, this device contains a transmit path Interpolation Filter, and DAC along with a receive path that includes a PGA, LPF and ADC as required for a variety of broadband modem applications. Also on-chip is a PLL clock multiplier, which provides all required clocks from a single crystal or clock input.

Where the AD9975 and AD9875 differ is in the digital interface. The AD9975 has a digital interface that uses a single 10-bit data bus that is shared between the Tx and Rx paths. The AD9875 also includes a 10-bit data bus, but uses 5-bit interleaved nibbles for both the Tx and Rx paths, providing full duplex operation.

The AD9975 digital transmit and receive ports have individual TX/RX clocks and TX/RX enable lines. This interface connects directly to Homelug 1.0 PHY/MAC chips including the INT5130 from Intellon and CX11647 from Conexant. The AD9975 is available in a space-saving 48-lead LQFP package and is specified over the commercial (-40ºC to +85ºC) temperature range.

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	$9.95	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	$18.05	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	$18.55	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	$21.42	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	$10.71	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	$10.71	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	$29.75	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	$13.74	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	$38.50	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	$9.95	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	$14.96	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	$20.40	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	$14.25	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	$13.52	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	$11.98	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.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

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