TUA 6020 Infineon Technologies, TUA 6020 Datasheet
TUA 6020
Specifications of TUA 6020
Related parts for TUA 6020
TUA 6020 Summary of contents
Page 1
Wireless Components 2 Band TV Tuner Mixer-Oscillator-PLL with balanced IF-Amplifier TUA6020 Version 1.2 Specification April 2000 preliminary ...
Page 2
... Components used in life-support devices or systems must be expressly authorized for such purpose! 1 Critical components of the Infineon Technologies AG, may only be used in life-support devices or systems Infineon Technologies AG critical component is a component used in a life-support device or system whose failure can reasonably be expected to cause the failure of that life- support device or system affect its safety or effectiveness of that device or system ...
Page 3
Product Info General Description The TUA6020 mixer/oscillator and synthesizer for analog and digital TV and VCR tuners. Features General Suitable for analog and digital ter- restrial TV tuner Full ESD protection Mixer/Oscillator High impedance ...
Page 4
Table of Contents 1 Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 5
Cross modulation Test Set-up in LOW/MID band 5-15 5.4.7 Cross modulation Test Set-up in HIGH band . . . . . . . . . ...
Page 6
Product Description Contents of this Chapter 2.1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 7
General Description The TUA6020 device combines a digitally programmable phase locked loop (PLL), with a mixer-oscillator block including two balanced mixers and oscilla- tors for use in TV and VCR tuners. The PLL block with four selectable chip addresses ...
Page 8
Programmable reference divider ratios: 24, 64, 80, 128 Programmable charge pump current 2.3 Application The IC is suitable for PAL tuners in TV- and VCR-sets or set-top receivers for analog TV and Digital Video Broadcasting. 2.4 Package ...
Page 9
Functional Description Contents of this Chapter 3.1 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 10
Pin Configuration Figure 3-1 Wireless Components HIGHIN 1 HIGHIN 2 LOW/MIDIN 3 VCC 4 MIXOUT 5 MIXOUT 6 PLLGND 7 TUA6020 SDA 8 SCL XTAL 11 PHIGH 12 PLOW 13 PMID 14 *) for future purposes ...
Page 11
Internal Pin Configuration Table 3-1 Pin Definition and Function Pin No. Symbol 1 HIGHIN 2 HIGHIN 3 LOW/MIDIN 4 VCC supply voltage 5 MIXOUT 5 6 MIXOUT 7 PLLGND digital ground Wireless Components Equivalent I/O-Schematic Amp. ...
Page 12
Table 3-1 Pin Definition and Function (continued) Pin No. Symbol 8 SDA 9 SCL XTAL Wireless Components Equivalent I/O-Schematic TUA6020 preliminarytarget Functional Description Average DC voltage LOW/MID HIGH n.a. n.a. ...
Page 13
Table 3-1 Pin Definition and Function (continued) Pin No. Symbol 12 PHIGH 13 PLOW 14 PMID IFOUT 17 18 IFOUT 19 VCC supply voltage 20 RFGND analog ground Wireless Components Equivalent I/O-Schematic 12 ...
Page 14
Table 3-1 Pin Definition and Function (continued) Pin No. Symbol 21 OSCLOW/ MIDIN 22 OSCLOW/ 22 MIDOUT 21 23 OSCLOW/ MIDOUT 24 OSCLOW/ MIDIN 25 OSCHIGHIN 26 OSCHIG- HOUT 27 OSCHIG- 26 HOUT 28 OSCHIGHIN 25 Wireless Components Equivalent I/O-Schematic ...
Page 15
Block Diagram Oscillator HIGH HIGH LOW or MID Mixer HIGH HIGH LOW or MID RF Input HIGH HIGH LOW or MID Figure 3-2 Wireless Components ...
Page 16
Circuit Description 3.4.1 Mixer-Oscillator block The mixer oscillator section includes two balanced mixers (double balanced mixer), two balanced oscillators for LOW/MID and HIGH amplifier, a ref- erence voltage source and a band switch. Filters between tuner input ...
Page 17
The software-switched ports PLOW, PMID and PHIGH are general-purpose open-collector outputs. The test bits and switch the test signals fref (i.e.fXTAL / 64) and fdiv (divided input signal) to PMID and PLOW respec- tively. ...
Page 18
If the address byte indicates a READ operation, the PLL generates an acknowl- edge and then shifts out the status byte onto the SDA line. If the processor gen- erates an acknowledge, a further status byte is output; otherwise the ...
Page 19
Applications Contents of this Chapter 4.1 Evaluation board, PAL application . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 4.2 ...
Page 20
Evaluation board, PAL application 10n 1k8 1k8 BB565 15p L1 1p2 1p2 1p2 1p2 2p2 22p 22p 1n 1:1*) 4n7 LOW/ MID V HIGH Gen ...
Page 21
Evaluation board, low phase noise application 47n 1k8 BB565 15p L1 1p2 1p2 1p2 2p2 22p 22p 1n 1:1*) LOW/ MID HIGH Gen Gen Figure ...
Page 22
Reference Contents of this Chapter 5.1 Electrical Data ...
Page 23
Electrical Data 5.1.1 Absolute Maximum Ratings WARNING The maximum ratings may not be exceeded under any circumstances, not even momentarily and individually, as permanent damage to the IC may result. Table 5-1 Absolute Maximum Ratings, Ambient temperature T 1). ...
Page 24
Table 5-1 Absolute Maximum Ratings, Ambient temperature T 1) Parameter Oscillator base voltage Oscillator collector voltage 2). ESD-Protection all pins 1). All values are referred to ground (pin), unless stated otherwise. Currents with a positive sign flow into the pin ...
Page 25
Operating Range Within the operational range the IC operates as described in the circuit description. The characteristic limits are not guaranteed. Table 5-2 Operating Range Parameter Supply voltage Programmable divider factor LOW/MID Mixer input frequency range ...
Page 26
AC/DC Characteristics characteristics involve the spread of values guaranteed in the specified supply voltage and ambient temperature range. Typical characteristics are the median of the production. Table 5-3 AC/DC Characteristics with T Symbol Supply Supply voltage ...
Page 27
Table 5-3 AC/DC Characteristics with T Symbol LOW output voltage V OL Edge speed SCL,SDA Rise time t r Fall time t f Clock timing SCL Frequency f SCL HIGH pulse width t H LOW pulse width t L Start ...
Page 28
Table 5-3 AC/DC Characteristics with T Symbol Analog Unit LOW/MID Band Section (including IF amplifier) Voltage gain G V Mixer noise figure NF Output voltage V i causing 0.8% of crossmodulation channel, see 5.4.6 on page 15 ...
Page 29
Table 5-3 AC/DC Characteristics with T Symbol pulling, N+5 PLL unlocked N+5 χ Oscillator OSC 1). phase noise χ OSC IF suppression a HIGH Band Section (including IF amplifier) Voltage gain G V Mixer noise figure NF ...
Page 30
Table 5-3 AC/DC Characteristics with T Symbol αf Oscillator frequency Osc(T) drift, PLL unlocked αf Oscillator frequency Osc(t) drift, PLL unlocked Oscillator pulling PLL unlocked pulling PLL unlocked V i χ ...
Page 31
Programming Table 5-4 Bit Allocation Read / Write Byte MSB Write Data Address Byte 1 Progr. Divider Byte 1 0 Progr. Divider Byte 2 N7 Control Byte 1 Bandswitch Byte x Read Data Address Byte 1 Status Byte POR ...
Page 32
Table 5-6 Address selection Voltage at AS (0...0. open circuit (0.4...0. (0.9... Table 5-7 Test modes Test mode Normal operation Charge pump output high-impedance state PLOW = f ...
Page 33
Addressing Ack R/W SCL: Note: SDA: Telegram examples: Start-ADB-DB1-DB2-CB-BB-Stop Start-ADB-CB-BB-DB1-DB2-Stop Start-ADB-DB1-DB2-Stop Start-ADB-CB-BB-Stop 1st Byte Ack. 2nd Byte Ack. 3rd Byte Ack. Abbreviations: Start= start condition ADB= address byte DB1= prog. divider byte 1 DB2= prog. divider byte 2 ...
Page 34
Test Circuits 5.4.1 Gain ( meas 50 V RMS Votmeter 5.4.2 Gain ( meas RMS Votmeter ...
Page 35
Matching circuit for optimum noise figure in LOW/MID band 22p In 7 turns 22p wire coil For MHz RF loss = image suppression = 5.4.4 Noise Figure Test Set-up in ...
Page 36
Noise Figure Test Set-up in HIGH band Noise Source Balun 1:1 loss of balun = NFmeas - loss of balun (dB) 5.4.6 Cross modulation Test Set-up in LOW/MID band V RMS unwanted Votmeter signal source ...
Page 37
Cross modulation Test Set-up in HIGH band V V meas RMS unwanted Votmeter signal source Hybrid wanted signal 50 source V’ meas wanted output signal at ...
Page 38
Electrical Diagrams 5.5.1 Input admittance (S11) of the LOW/MID band mixer input Y = 20mS (single ended) 0 5.5.2 Input impedance (S11) of the HIGH band mixer input = 50 τ (balanced Wireless Components 855.25 MHz 415.25 ...
Page 39
Output admittance (S22) of the Mixer output Y = 20mS (balanced 0 5.5.4 Output impedance (S22) of the IF output = 50 τ (single/ double ended Wireless Components ) 0 Rse Rdiff TUA6020 preliminarytarget ...