The ADF7011 is a low power OOK/ASK/FSK/GFSK UHF transmitter designed for use in ISM band systems. It contains and integrated VCO and sigma-delta fractional-N PLL. The output power, channel spacing, and output frequency are programmable with four 24-bit registers. The fractional-N PLL enables the user to select any channel frequency within the European 433 MHz and 868 MHz bands, allowing the use of the ADF7011 in frequency hopping systems. The fractional-N also allows the transmitter to operate in the less congested sub-bands of the 868 MHz to 870 MHz SRD band.

It is possible to choose from the four different modulation schemes: Binary or Gaussian Frequency Shift Keying (FSK/GFSK), Amplitude Shift Keying (ASK), or On/Off Keying (OOK). The device also features a crystal compensation register that can provide ±1 ppm resolution in the output frequency. Indirect temperature compensation of the crystal can be accomplished inexpensively using this register.

Control of the four on-chip registers is via a simple 3-wire interface. The devices operate with a power supply ranging from 2.3 V to 3.6 V and can be powered down when not in use.

Part#	Modulation Mode	Output Frequency Range	Maximum Data Rate (kbps)	Programmable Output Power	+10dBm Pwr Consumption	Package	Price* (1000-4999)
ADF7010	FSK/ASK/GFSK	902-928 MHz	76	-20dBm to +10dBm	30mA	24-Lead Tssop	$1.69
ADF7011	FSK/ASK/GFSK	433-435MHz, 866-870MHz	76	-20dBm to +10dBm	30mA	24-Lead Tssop	$1.69
ADF7012	FSK/ASK/GFSK	50-1000 MHz	150	-16dBm to +13dBm	21mA	24-Lead Tssop	$1.52
ADF7020	FSK/ASK/GFSK	431-478 MHz, 862-956 MHz	200	-16dBm to +13dBm	26mA	48-Lead CSP	$2.23
ADF7020-1	ASK/FSK/OOK, FSK/ASK/GFSK	135MHz to 650MHz.	200	-16dBm to +13dBm	21mA	48-Lead CSP	$2.23
ADF7021	2FSK, 3FSK, 4FSK	80-650 MHz, 862-940 MHz	25	-16dBm to +13dBm	27mA	48-Lead CSP	$2.88
ADF7021-N	2FSK, 3FSK, 4FSK	80-650 MHz, 842-916 MHz	24	-16dBm to +13dBm	29.2mA	48-Lead CSP	$2.88
ADF7025	FSK	431-464 MHz, 862-870 MHz , 902-928 MHz	384	-16dBm to +13dBm	27mA	48-Lead CSP	$2.88
ADF7901	ASK/FSK/OOK	369.5MHz-395.9MHz	20	'+5dBm to +14dBm	21mA	24-Lead Tssop	$1.52
ADF7902	FSK	369.5MHz-395.9MHz	2	-	-	24-Lead Tssop	$1.52

* 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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