TDA8261TW Philips Semiconductors, TDA8261TW Datasheet

no-image

TDA8261TW

Manufacturer Part Number
TDA8261TW
Description
Satellite Zero-IF QPSK/8PSK downconverter with PLL synthesizer
Manufacturer
Philips Semiconductors
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TDA8261TW/C1
Manufacturer:
NXP
Quantity:
1 616
Part Number:
TDA8261TW/C1
Manufacturer:
PHILIPS
Quantity:
8 485
Product specification
Supersedes data of 2004 Oct 25
DATA SHEET
TDA8261TW
Satellite Zero-IF QPSK/8PSK
downconverter with PLL
synthesizer
INTEGRATED CIRCUITS
2004 Dec 02

Related parts for TDA8261TW

TDA8261TW Summary of contents

Page 1

... DATA SHEET TDA8261TW Satellite Zero-IF QPSK/8PSK downconverter with PLL synthesizer Product specification Supersedes data of 2004 Oct 25 INTEGRATED CIRCUITS 2004 Dec 02 ...

Page 2

... Both the divided and the comparison frequencies of the second loop are compared in a fast phase detector which drives the charge pump. The TDA8261TW includes a loop amplifier with an internal high-voltage transistor to drive an external 33 V tuning voltage. Control data is entered via the I voltage can ...

Page 3

... NAME TDA8261TW HTSSOP32 2004 Dec 02 System performance, for example tuner application with the TDA8261TW placed after a low-cost discrete LNA: Noise figure at maximum gain = 8 dB High linearity; IP2 = 15 dBm and IP3 = 5 dBm variable gain with AGC control. Specification limitation Please note that this data sheet applies to versions C2 and above only, it does not apply to version C1 ...

Page 4

... COMP CONTROL LOGIC C-BUS AND LATCH Fig.1 Block diagram. 4 Product specification TDA8261TW IOUT QBBIN QOUT IBBIN BBGND2 integrated oscillator TDA8261TW DIGITAL PHASE 28 COMPARATOR CHARGE PUMP AMP 32 POWER-ON RESET MBL859 IBBOUT QBBOUT AGCIN CP VT XTOUT ...

Page 5

... V CC(PLL) 3 PLLGND 4 AGCIN 5 BIASN1 6 RFGND1 7 V CC(RF) 8 TDA8261TW RFA 9 RFB 10 RFGND2 11 QOUT 12 BBGND1 13 QBBIN 14 V CC(BB) 15 QBBOUT 16 Fig.2 Pin configuration. 5 Product specification TDA8261TW 32 XTOUT 31 SDA 30 SCL BVS 25 V CC(VCO) 24 TKA 23 TKB 22 VCOGND 21 IOUT 20 BBGND2 19 IBBIN 18 BIASN2 17 IBBOUT MBL855 ...

Page 6

... Satellite Zero-IF QPSK/8PSK downconverter with PLL synthesizer FUNCTIONAL DESCRIPTION The TDA8261TW contains the core of the RF analog part of a digital satellite receiver. The signal coming from the Low Noise Block (LNB) is coupled through a Low Noise Amplifier (LNA) to the RF inputs. The circuitry in the ...

Page 7

... C-bus write mode: bit R see Table 2. After the transmission of the address (first byte), four data 2 C-bus fast bytes can be sent to fully program the TDA8261TW. The C-bus specification. bus transceiver has an auto-increment facility that permits to program the TDA8261TW with a single transmission: one address byte followed by four data bytes (PD1, PD2, CD1 and CD2) ...

Page 8

... XTAL DIV f 1 XTAL f 1 XTAL 2 f ref f XTAL f XTAL 8 Product specification TDA8261TW COMPARISON R0 DIVIDER RATIO FREQUENCY 500 kHz 1 not allowed not allowed 0 not allowed not allowed 1 16 250 kHz 0 not allowed not allowed ...

Page 9

... PLL synthesizer 2 I C-bus read mode If bit R the data can be read from the TDA8261TW (see Table 7). After recognition of its slave address, the TDA8261TW generates an acknowledge pulse and transfers the status byte onto the SDA line (MSB first). Data is valid on the SDA line when the SCL clock signal is HIGH ...

Page 10

... Note 1. Maximum ratings cannot be exceeded, not even momentarily without causing irreversible damages to the TDA8261TW. Maximum ratings cannot be accumulated. THERMAL CHARACTERISTICS SYMBOL R thermal resistance from junction to ambient th(j-a) HANDLING Inputs and outputs are protected against electrostatic discharge in normal handling. However completely safe desirable to take normal precautions appropriate to handle integrated circuits. Every pin withstands 2000 V in the ESD test in accordance with “ ...

Page 11

... Table 9 and Fig.8 see Table 9 and Fig.8 950 f = 100 kHz; out of offset PLL loop bandwidth and 10 kHz; offset MHz; see Fig.7 COMP 64 11 Product specification TDA8261TW TYP. MAX. UNIT 5.00 5.25 V 130 mA 2 dBm 750 ...

Page 12

... V 0.6V BVS sink Product specification TDA8261TW TYP. MAX. UNIT 1 MHz 200 650 32.7 V 100 0.15V ...

Page 13

... Dec 02 MBL863 handbook, halfpage (dB) 1750 1950 2150 f (MHz) Fig.5 MGU798 handbook, halfpage (dBc/Hz) 1750 1950 2150 f (MHz) Fig.7 13 Product specification TDA8261TW Overall gain as function of AGC input voltage (1) 90 (2) 100 110 950 1150 ...

Page 14

... MHz 10 dBm 2188 MHz 2 dBm 1750 MHz lo V signal 11 11.5 wanted spurious signal signal Fig.9 Base band spectrum. 14 Product specification TDA8261TW SPECTRUM TDA8261TW ANALYSER MBL860 LEVEL REMARK MHz MHz (MHz) ...

Page 15

... HEATSINK MBL858 Fig.10 Typical application 470 nH 680 out LPF Fig.11 Typical 36 MHz low-pass filter. 15 Product specification TDA8261TW 4 MHz C2 C1 330 4 1.5 k C21 4 330 pF ...

Page 16

... INPUT LNA MATCHING Application design The performance of the application using the TDA8261TW strongly depends on the application design itself. Furthermore the printed-circuit board design and the soldering conditions should take into account the exposed die pad underneath the device, as this requires an ...

Page 17

... Dec 2.5 scale (1) ( 0.30 0.20 11.1 3.65 6.2 2.85 0.19 0.09 10.9 3.45 6.0 2.65 REFERENCES JEDEC JEITA 17 TDA8261TW detail 8.3 0.75 0.65 1 0.2 0.1 7.9 0.50 EUROPEAN PROJECTION Product specification SOT549 ...

Page 18

... Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within 2 seconds to 5 seconds between 270 C and 320 C. 18 Product specification TDA8261TW ...

Page 19

... However, the image sensor package can be mounted by the client on a flex foil by using a hot bar soldering process. The appropriate soldering profile can be provided on request. 9. Hot bar soldering or manual soldering is suitable for PMFP packages. 2004 Dec 02 (1) (3) , TFBGA, (8) 19 Product specification TDA8261TW SOLDERING METHOD WAVE REFLOW not suitable suitable (4) not suitable suitable suitable ...

Page 20

... Product specification TDA8261TW DEFINITION These products are not Philips Semiconductors ...

Page 21

... I Philips. This specification can be ordered using the code 9398 393 40011. 2004 Dec components conveys a license under the Philips’ system provided the system conforms to the I 21 Product specification TDA8261TW 2 C patent to use the 2 C specification defined by ...

Page 22

... Philips Semiconductors – a worldwide company Contact information For additional information please visit http://www.semiconductors.philips.com. For sales offices addresses send e-mail to: sales.addresses@www.semiconductors.philips.com. © Koninklijke Philips Electronics N.V. 2004 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. ...

Related keywords