Atmel ATR4262M1 - Manuals - manualsarea.com

Page 2 - Pin Configuration; Pinning QFN48; Pin

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 VRPLL AMLF FMLF VTUNE GNDPLL VCOBUF AMOUT1 AMOUT2 AMAGCTC1 FMOUT1 FMOUT2 VST IFIN1 IFREF IFIN2 VRT IFIN3 A...

Page 3 - Pin Description

3 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 20 AFCC AFC control input/SW6 switching output/lock detect/AFHOLD 21 VRVCO Reference voltage VCO 22 VCOB VCO resonator (base) 23 VCOE VCO resonator (emitter) 24 GNDVCO VCO ground 25 VCOBUF VCO buffer output/input 26 GNDPLL PLL ground 27 VTUNE Tuning voltag...

Page 4 - Absolute Maximum Ratings; Thermal Resistance; Operating Range

4 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 3. Absolute Maximum Ratings Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated ...

Page 5 - Functional Description

5 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 6. Functional Description The ATR4262M1 front end is designed for world-tuner applications. Due to its flexible dividerarrangement, the tuner can be used for reception from 100 kHz to 163 MHz. The field of usecovers all the common radio broadcast services ...

Page 7 - FM

7 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 7. VCO and AM Prescaler Settings Table 7-1 gives an example of the VCO divider and AM Prescaler settings and the reception frequencies. A small VCO frequency range of e.g., 195.3 MHz to 237.9 MHz allows reception of the mostimportant bands like FM, JPN, LW...

Page 8 - IF Filter Stage Concept; Example of Simple IF Filter Stage Concept

8 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 9. IF Filter Stage Concept There are several different IF filter concepts possible depending on the broadcast standard andthe targeted quality range of the tuner. For that purpose a programmable switch for the FM mixeroutput as well as three programmable i...

Page 9 - Double Tuner Application; Double Tuner Operation; Master

9 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 10. Double Tuner Application Figure 10-1. Double Tuner Operation 10.1 Two-Wire Interface-Bus Address Modes To allow programming of both ICs (e.g., double tuner), SCL and SDA can be connected to bothICs. There are two different modes for ENABLE. For example...

Page 10 - Extended Type Number; Not indicated tolerances ± 0.05

10 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 12. Package Information 11. Ordering Information Extended Type Number Package Remarks ATR4262M1-PLQW QFN48 - 7 × 7 Taped 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....

Page 11 - History

11 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 13. Revision History Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. Revision No. History 4994BS-AUDR-03/08 • all pages: Part Number changed in ATR4262M1 • all pages: ...