CX24109-11Z,557 NXP Semiconductors, CX24109-11Z,557 Datasheet
CX24109-11Z,557
Specifications of CX24109-11Z,557
Available stocks
Related parts for CX24109-11Z,557
CX24109-11Z,557 Summary of contents
Page 1
... CX24109 Digital Satellite Tuner Rev. 01 — 13 November 2008 Document information Info Content Keywords Abstract Product data sheet ...
Page 2
... For sales office addresses, please send an email to: CX24109_N_1 Product data sheet Description Date First NXP version based on the Conexant 102031A data sheet. http://www.nxp.com salesaddresses@nxp.com Rev. 01 — 13 November 2008 CX24109 Digital Satellite Tuner Package 48-pin eTQFP Description © NXP B.V. 2008. All rights reserved. 2 ...
Page 3
... MSps in the most demanding satellite environments compatible with international standards such as DVB and DSS. The highly integrated CX24109 reduces the tuner BOM cost and simplifies the RF layout. Features Zero-IF architecture eliminates the need for image reject filtering ...
Page 4
... NXP Semiconductors CX24109_N_1 Product data sheet Rev. 01 — 13 November 2008 CX24109 Digital Satellite Tuner © NXP B.V. 2008. All rights reserved. 4 ...
Page 5
... Example Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.5 Typical Performance Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3 Parametric Data and Specifications 3.1 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 3.1.1 Standard Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 3.2 Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Legal information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 CX24109_N_1 Product data sheet Rev. 01 — 13 November 2008 CX24109 Digital Satellite Tuner © NXP B.V. 2008. All rights reserved. 5 ...
Page 6
... NXP Semiconductors CX24109_N_1 Product data sheet Rev. 01 — 13 November 2008 CX24109 Digital Satellite Tuner © NXP B.V. 2008. All rights reserved. 6 ...
Page 7
... Fig. 5 Programming Word Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Fig. 6 Simplified Application Schematic (Page Fig. 7 Simplified Application Schematic (Page Fig. 8 Reflection Coefficient at Input of CX24109 Fig. 9 Baseband Filter Gain vs. Frequency and FILTUNE Voltage Fig. 10 Filter –3 dB Bandwidth vs. FILTUNE Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Fig. 11 Gain and IIP3 vs. AGC Voltage at 950 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Fig ...
Page 8
... NXP Semiconductors CX24109_N_1 Product data sheet Rev. 01 — 13 November 2008 CX24109 Digital Satellite Tuner © NXP B.V. 2008. All rights reserved. 8 ...
Page 9
... Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Table 12. Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Table 13. DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Table 14. AC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Table 15. RF Electrical Characteristics Table 16. Baseband Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 CX24109_N_1 Product data sheet Rev. 01 — 13 November 2008 CX24109 Digital Satellite Tuner © NXP B.V. 2008. All rights reserved. 9 ...
Page 10
... NXP Semiconductors CX24109_N_1 Product data sheet Rev. 01 — 13 November 2008 CX24109 Digital Satellite Tuner © NXP B.V. 2008. All rights reserved. 10 ...
Page 11
... CX24109 Chapter 1: Functional Description Rev. 01 — 13 November 2008 1.1 Pinout Information Figure 1. CX24109 Pin Diagram VCC GND GND RFIN RFGND GND GND DCIP DCIN DCQP DCQN TUNERES 1.2 Pin Description Table 1. Pin Description Pin Name Pin No. RFIN 4 AGC 37 FILTUNE 36 CX24109_N_1 Product data sheet ...
Page 12
... O The lock detect signal to the demodulator/FEC IC kΩ//20 pF. High is the locked state. LOAD I power supply P Ground Rev. 01 — 13 November 2008 CX24109 Chapter 1: Functional Description Description Figure kΩ//20 pF. LOAD Figure 6 and Figure 7. Description © NXP B.V. 2008. All rights reserved. ...
Page 13
... Antenna Drop Cable 1.4 Signal Path The CX24109 is a highly integrated, direct-down conversion satellite tuner. It consists of an LNA, variable RF attenuator, quadrature downconverter, variable IF gain amplifiers, variable low-pass filters, VCO, and synthesizer. A detailed block diagram of the IC is illustrated in Figure CX24109_N_1 Product data sheet ...
Page 14
... Splitter and Divide Phase Charge Detector Pump Voltage Controlled Oscillator 9 Bit 32/33 Counter Prescaler 5 Bit Counter Rev. 01 — 13 November 2008 CX24109 Chapter 1: Functional Description Variable Low VGA2 Pass Filter IOUTP IOUTN TUNERES QOUTP QOUTN FILTUNE LPFILT Divide by 2 Lock LD Detect 102031_004 © ...
Page 15
... Local Oscillator The local oscillator consists of a synthesizer and a VCO block, and is contained entirely within the CX24109. The VCO block uses an innovative architecture that requires only source, eliminating the need for power supply. It includes the required tank circuit. The VCO block consists of a bank of eight oscillators operating at twice and four times the input frequency with a continuous range from 2200 MHz to 4400 MHz ...
Page 16
... Serial Interface Programming Example Clock Data Enable The internal shift register in the CX24109 is 21 bits long. When the data is latched into the IC, the two MSBs act as control bits, and the lower 19 bits are the data bits as illustrated in Figure Figure 5. Programming Word Configuration ...
Page 17
... These Reserved locations must be set to zero. All other Reserved location values do not matter. (2) These Divide ratios are binary coded. CX24109_N_1 Product data sheet Programming Bit Mapping ÷ N Divider MSB Pump Rev. 01 — 13 November 2008 CX24109 Chapter 1: Functional Description ÷A Divider (2) LSB MSB © NXP B.V. 2008. All rights reserved. (2) LSB 17 ...
Page 18
... Chapter 1: Functional Description Typical Receive VCO Frequency Range Number (MHz) 950–1019 7 1019–1075 8 1075–1178 1 1178–1296 2 1296–1432 3 1432–1576 4 1576–1718 5 1718–1856 6 1856–2036 7 2036–2150 8 Function ÷4 ÷2 CX24109 VCO Divider © NXP B.V. 2008. All rights reserved. 18 ...
Page 19
... Product data sheet VGA1 Offset Bit 4 Bit 3 Bit 2 Bit VGA2 Offset Bit 13 Bit 12 Bit 11 Bit Rev. 01 — 13 November 2008 Chapter 1: Functional Description Bit 0 Offset –27.0 0 –28.5 0 –30.0 0 –31.5 0 –33.0 0 –34.5 0 –36.0 0 –37.5 0 –39.0 Bit 9 Offset CX24109 © NXP B.V. 2008. All rights reserved. 19 ...
Page 20
... Bit 12 Bit 11 Bit Rev. 01 — 13 November 2008 Chapter 1: Functional Description Bit 0 Slope in dB/V 1 47.0 1 49.5 1 52.0 1 54.5 1 57.0 1 59.5 1 62.0 1 64.5 1 67.0 Bit 9 Offset 90.00 1 94.25 1 98.50 1 102.75 1 107.00 1 111.25 1 115.50 1 119.75 1 124.00 CX24109 © NXP B.V. 2008. All rights reserved. 20 ...
Page 21
... VGA1 × VGA1 Offset in dB AGC ( ) is equal to VGA2 ( ) = VGA2 Offset Baseband = VGA1 Filter VGA2 = VGA1 VGA2 Rev. 01 — 13 November 2008 Chapter 1: Functional Description Current (mA Function Positive Negative Function — Reserved Reserved ÷ equal to CX24109 © NXP B.V. 2008. All rights reserved. 21 ...
Page 22
... Rev. 01 — 13 November 2008 Chapter 1: Functional Description × 2 × 2 VGA2 VGA2 Offset Slope (dB/ (dB) (dB) (2) V) – – – Charge Pump Current Specification Negative ÷10 CX24109 Condition FILTUNE Voltage (V) 0.41 0.90 2.70 © NXP B.V. 2008. All rights reserved. 22 ...
Page 23
... Transmission Lines Though the CX24109’s RF layout is simple, there are two transmission lines that must be designed. The first transmission line is the LNB power line, which is located at the connector. The second transmission line is between the connector and the RF IN pin. The input transmission line must have a characteristic impedance of 75 recommended dimensions assuming a two-layer FR-4 board ...
Page 24
... DC_QP R101 TUNERES 1.2 k C119 10 n 10.111 Series C118 100 u Y1 R105 8.2 L102 BEAD 5 V_RF Rev. 01 — 13 November 2008 CX24109 Chapter 2: Applications C107 0.01 µF C109 1 n C110 1 n C111 36 FILTUNE 0.047 µF 35 I_OUTN 34 C112 I_OUTP 0.047 µF ...
Page 25
... Chapter 2: Applications +3.3 V C534 C532 0. AD_VAA 3 AD_VAA 5 AD_VDD 55 GPIO_1 (LNB_DC) 56 LNB_22K (3) RS_DATA 32 RS_CLK 37 RSCntl1 47 Interrupt (RSSYNC) 38 RSCntl2 R306 33 45 SER_CLK 46 SER_DATA R307 33 CX24109 C533 0.01 uF LNB Control To MPEG Processor SER_CLK SER_DATA 102031_008 © NXP B.V. 2008. All rights reserved. 25 ...
Page 26
... NXP Semiconductors 2.5 Typical Performance Curves Figure 8. Reflection Coefficient at Input of CX24109 Frequency (950.0 MHz to 2.200 GHz) CX24109_N_1 Product data sheet CX24109 S11 Rev. 01 — 13 November 2008 CX24109 Chapter 2: Applications m1 Freq = 950 MHz plot_vs(S(1,1), freq) = –0.19 + j0.21 Impedance = 31.629 + j14.373 m2 Freq = 1.20 GHz plot_vs(S(1,1), freq ...
Page 27
... Filter –3 dB Bandwidth vs. FILTUNE Voltage CX24109_N_1 Product data sheet Frequency (MHz) 0.5 1 1.5 FILTUNE Voltage (V) Rev. 01 — 13 November 2008 Chapter 2: Applications FILTUNE = 0.5 V FILTUNE = 1.0 V FILTUNE = 1.5 V FILTUNE = 2.0 V FILTUNE = 2.5 V FILTUNE = 3 2.5 3 CX24109 © NXP B.V. 2008. All rights reserved. 27 ...
Page 28
... Gain and IIP3 vs. AGC Voltage at 2150 MHz –5 –10 1.2 CX24109_N_1 Product data sheet 1.5 2 2.5 AGC Voltage (V) 1.7 2.2 AGC Voltage (V) Rev. 01 — 13 November 2008 CX24109 Chapter 2: Applications IIIP3 Gain 3 IIIP3 Gain 2.7 3.2 © NXP B.V. 2008. All rights reserved. 28 ...
Page 29
... AGC Voltage (V) 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 AGC Voltage (V) Rev. 01 — 13 November 2008 CX24109 Chapter 2: Applications Gain Noise Figure 3.1 3.2 Gain Noise Figure 3 3.1 3.2 © ...
Page 30
... NXP Semiconductors CX24109_N_1 Product data sheet Rev. 01 — 13 November 2008 CX24109 Chapter 2: Applications © NXP B.V. 2008. All rights reserved. 30 ...
Page 31
... All specifications are valid under the operating conditions indicated in 12. Table 12. Operating Conditions Parameter Ambient Operating Temperature Maximum Operating Junction Temperature Supply Voltage Reference Oscillator Frequency Reference Oscillator Frequency Stability Loop Filter Bandwidth CX24109_N_1 Product data sheet Absolute Maximum Ratings Parameter Minimum –0.3 –0.3 –65 — Conditions — ...
Page 32
... Using 15–45 MSps programming values (see (2) Using a 2-layer CX24109/CX24121 reference design, where the package’s exposed paddle is connected to the printed circuit board ground plane using thermal vias. The ground plane on the reference design is approximately 2-7/8 inches x 1-1/4 inches. Better thermal performance can be obtained by increasing ground plane coverage or increasing the number of attached printed circuit board layers ...
Page 33
... Pin = –34.5 dBm, (6) 5–15 MSps gain coefficients Pin = –72 dBm, 5–15 MSps gain coefficients (7) Pin = –30 dBm, 15–45 MSps gain coefficients (8) Pin = –70 dBm, (9) 15–45 MSps gain coefficients Rev. 01 — 13 November 2008 CX24109 102031_016 Min Typ Max Units 950 — 2150 MHz – ...
Page 34
... MSps coefficients and AGC 1 MSps coefficients and V = 2.4 V (1) AGC — — 950 to 2150 MHz (1) C 1.5 V (1) AGC C (1) Rev. 01 — 13 November 2008 CX24109 Min Typ Max Units –2 4.0 — dBm 5.5 9.4 — dBm –35 –25.0 — dBm –39 – ...
Page 35
... Values in this table are valid under the operating conditions listed in stated. FOOTNOTES: (1) This measurement is made at RFIN of CX24109. (2) Aggregate average power of 40 QPSK modulated carriers. (3) All NF and IIP3 measurements/specifications are made by setting a specific input level for the desired symbol rate and adjusting the AGC level to obtain the desired output level of 0 ...
Page 36
... F < 2 GHz 1 dB LAND PATTERN - 48 ETQFP 1.215 REF. 3x3 Array of Thermal Vias 0.330 mm Dia. Spacing TBD 4.570 REF. 0.250 0.500 1.000 PWB SOLDER MASK PATTERN Rev. 01 — 13 November 2008 CX24109 Min Typ Max 1.4 — 2.6 Filtune 27 — — Filtune — 10.5 — ...
Page 37
... L 1.00 REF 1 e 0.50 BSC b 0.17 0.27 0.007 c 0.09 0.20 0.004 Coplanarity 0.08 MAX CX24109 Inches Max 0.047 MAX 0.006 0.041 0.354 BSC 0.275 BSC 0.177 REF 0.030 0.039 REF 0.020 BSC 0.011 0.008 0.003 MAX 102031_018 © NXP B.V. 2008. All rights reserved. ...
Page 38
... NXP Semiconductors CX24109_N_1 Product data sheet Chapter 3: Parametric Data and Specifications Rev. 01 — 13 November 2008 CX24109 © NXP B.V. 2008. All rights reserved. 38 ...
Page 39
... Limiting values and Characteristics sections of this document, and as such is not complete, exhaustive or legally binding. Trademarks Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. Rev. 01 — 13 November 2008 CX24109 Digital Satellite Tuner © NXP B.V. 2008. All rights reserved. 39 ...
Page 40
... NXP B.V. 2008. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com CX24109 Digital Satellite Tuner All rights reserved. Date of release: 13 November 2008 Document identifier: CX24109_N_1 ...