Instruction/ maintenance manual of the product ATR4262M1 Atmel
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NO TE: This is a summar y document. The complete document is av ailable under NDA . For more inf or mation, please contact your local Atmel sales office.
2 4994BS–AUDR–05/ 08 ATR4262M1 [Preliminary] 2. Pin Configuration Figure 2-1. Pinning QFN48 AMIN1 AMIN2 AMCVC AMPIND SW1 FMPIND FMIN1 FMIN12 FMIN2 DAC1 DAC2 SW2 SW3 IFOUT1 IFOUT2 VSPLL REF1 REF2 V.
3 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 20 AFCC AFC control input/SW6 switching output/lock detect/AFHOLD 21 VR VCO Reference v oltage VCO 22 VCOB VCO resonator (base) 23 VCOE VCO resonator (e.
4 4994BS–AUDR–05/ 08 ATR4262M1 [Preliminary] 3. Absolute Maxim u m Ratings Stresses beyond those listed under “Absolute Maximum Ratings” may cause per manent damage to the device.
5 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 6. Functional Description The ATR4262M1 fr ont end is designed for world-tuner ap plications. Due to its fl exible divider arrangement, the tuner can be use d for reception from 100 kHz to 163 MHz.
6 4994BS–AUDR–05/ 08 ATR4262M1 [Preliminary] • Alternative fr equency chec k An optional state machin e can control the alternative frequ ency check sequence for some common basebands.
7 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 7. VCO and AM Pr escaler Settings Table 7-1 gives an example of the VCO divider and AM Prescaler setting s and the reception frequencies. A small VCO frequency range of e.g., 195.3 MHz to 237.9 MHz allows r eception of the most important bands like FM, JPN, LW, MW, 49m, 41m, and 31m.
8 4994BS–AUDR–05/ 08 ATR4262M1 [Preliminary] 9. IF Filter Stage Concept There are several different IF f ilter concepts possible depe nding on the b roadcast standard and the target ed quality range of t he tuner.
9 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 10. Double T uner Application Figure 10-1. Double Tune r Operation 10.1 T w o-Wire Interface- Bus Address Modes To allow program ming of both ICs (e .g., double tune r), SCL and SDA can b e connected to bot h ICs.
10 4994BS–AUDR–05/ 08 ATR4262M1 [Preliminary] 12. P acka ge Information 11. Or dering Information Extended T ype Number Pac kage Remarks A TR4262M1-PLQW QFN48 - 7 × 7 T aped and reeled 0.4 ±0.1 48 48 37 13 24 12 25 36 7 5.5 4.5 0.5 nom. 12 1 1 specifications according to DIN technical drawings Issue: 2; 24.
11 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 13. Revision History Please note that the follo wing page numbers referred to in this section refer to the specific revision mentioned, not to this document.
4994BS–AUDR–05/08 Headquar ters International Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Atmel Asia Room 1219 Chinachem Golden Plaza 77.
An important point after buying a device Atmel ATR4262M1 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Atmel ATR4262M1 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Atmel ATR4262M1 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Atmel ATR4262M1 you will learn all the available features of the product, as well as information on its operation. The information that you get Atmel ATR4262M1 will certainly help you make a decision on the purchase.
If you already are a holder of Atmel ATR4262M1, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Atmel ATR4262M1.
However, one of the most important roles played by the user manual is to help in solving problems with Atmel ATR4262M1. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Atmel ATR4262M1 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
