INTEGRATED CIRCUITS DATA SHEET UAA3540TS DECT receiver Product specification File under Integrated Circuits, IC17 2000 Feb 15 Philips Semiconductors Product specification DECT receiver UAA3540TS FEATURES GENERAL DESCRIPTION • Single-chip RF plus IF The UAA3540TS is a low-power, highly integrated circuit, for Digital Enhanced Cordless Telecommunication (DECT) applications. • Integrated channel filter • Low component count It features a fully integrated channel selection filter, an analog Received Signal Strength Indicator (RSSI) and a switched demodulator output to interface to Philips Semiconductors ABC baseband chip. The circuit can be fully powered down during the idle locked state. • No production trimming • High dynamic range • Low power • 3.2 V operation • Built-in power-down mode. QUICK REFERENCE DATA VCC = 3.2 V; Tamb = 25 °C; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VCC supply voltage 3.0 3.2 3.6 V ICC supply current − 34 45 mA ICC(pd) power-down mode supply current − 10 50 µA Tamb ambient temperature −10 − +60 °C over Tamb ORDERING INFORMATION TYPE NUMBER UAA3540TS 2000 Feb 15 PACKAGE NAME DESCRIPTION VERSION SSOP20 plastic shrink small outline package; 20 leads; body width 4.4 mm SOT266-1 2 Philips Semiconductors Product specification DECT receiver UAA3540TS BLOCK DIAGRAM LOA handbook, full pagewidth LOB 17 18 MIXER × RFA RFB 5 6 LIMITER D E M O D U L A T O R 0° 90° × LIMITER UAA3540TS 13 DATA+ 11 DATA− 1 kΩ MIXER 8 RSET 15 10 RSSI SLCCTR Fig.1 Block diagram. 2000 Feb 15 3 FCA040 Philips Semiconductors Product specification DECT receiver UAA3540TS PINNING SYMBOL PIN DESCRIPTION GND(LO) 1 local oscillator ground PD 2 power-down control input (logic 1 disables the chip) VCC(RF) 3 RF positive supply voltage GND(RF) 4 RF ground RFA 5 RF balanced input A RFB 6 RF balanced input B GND(IF) 7 IF ground RSET 8 set filter (connect to external resistor) TEST1 9 GND(LO) 1 10 slicer threshold switch control input (logic 1 closes the switch) DATA− 11 switched demodulator output TEST2 12 test 2 (connect to GND) DATA+ 13 demodulator digital signal output TEST3 14 test 3 (connect to VCC) RSSI 15 received signal strength intensity voltage output VCC(IF) 16 IF positive supply LOA 17 local oscillator balanced input A LOB 18 local oscillator balanced input B VCC(LO) 19 local oscillator positive supply TEST4 20 test 4 (connect to GND) 20 TEST4 PD 2 test 1 (connect to GND) SLCCTR 2000 Feb 15 handbook, halfpage 19 VCC(LO) VCC(RF) 3 18 LOB GND(RF) 4 17 LOA RFA 5 UAA3540TS RFB 6 16 VCC(IF) 15 RSSI GND(IF) 7 14 TEST3 RSET 8 13 DATA+ TEST1 9 12 TEST2 SLCCTR 10 11 DATA− FCA039 Fig.2 Pin configuration. 4 Philips Semiconductors Product specification DECT receiver UAA3540TS FUNCTIONAL DESCRIPTION Limiter and RSSI General The main purpose of the limiter circuit is to reduce the dynamic range of the signals presented to the demodulator; these have a dynamic range greater than 60 dB. The UAA3540TS is a fully integrated RF plus IF strip and demodulator for DECT applications. It provides all the required channel filtering over the DECT band and generates analog RSSI and a data output for the baseband chip. Very few off-chip components are required and should not require trimming in normal applications. The chip is designed to operate from a power supply voltage which can fall to 3.0 V, and features full power-down capabilities. The limiter also provides the RSSI output voltage. The RSSI output has very little filtering applied, and it is assumed that external circuits will be used to provide the time constant and peak holding required by the DECT specification. Demodulator The inputs are an RF antenna signal and a Local Oscillator (LO) signal. The RF antenna signal is from a band filter or antenna switch. The higher frequency LO signal is from an external Voltage Controlled Oscillator (VCO). The demodulator produces an output voltage directly proportional to the instantaneous frequency of the received signal. The output stage of the demodulator contains a data filter to remove high frequencies from the signal, prior to data slicing. The outputs are an RSSI voltage, representing the instantaneous signal strength, and DATA− and DATA+ which are two high-level demodulator output signals. DATA− is switched by SLCCTR to generate a threshold voltage for the internal slicer, and DATA+ is the comparator digital output. The demodulator provides a continuous output timing signal that is applied to an internal data slicer. The same signal is also switched to generate the threshold voltage of the slicer during the initial DECT bit sequence. Power-down Filter The power-down control input (pin 2) allows the current consumption of the chip to be reduced to a very low level when it is connected to VCC. In this state, some voltages in the chip become indeterminate requiring time for the receiver to stabilize after power-up. The integrated filter provides all the channel selectivity required for the DECT receiver. An external resistor of 18 kΩ must be connected to RSET (pin 8). 2000 Feb 15 5 Philips Semiconductors Product specification DECT receiver UAA3540TS LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER MIN. MAX. UNIT VCC supply voltage −0.3 +3.6 V Vi(PD); Vi(SLCCTR) input voltage on pins PD and SLCCTR −0.3 +3.6 V Pi(max) maximum input power − 15 dBm Tj(max) maximum operating junction temperature − 150 °C P(max) maximum power dissipation in quiet air − 180 mW Tstg storage temperature −55 +125 °C HANDLING All pins withstand 1500 V ESD test in accordance with “EIA/JESD22-A114 Class1 (Feb. 96)”. THERMAL CHARACTERISTICS SYMBOL Rth(j-a) PARAMETER CONDITIONS thermal resistance from junction to ambient VALUE UNIT 152 K/W in free air DC CHARACTERISTICS VCC = 3.2 V; Tamb = 25 °C; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply (Pins VCC(LO), VCC(RF) and VCC(IF)) VCC supply voltage ICC ICC(pd) Tamb ≥ 25 °C 3.0 3.2 3.6 V supply current − 34 45 mA power-down mode supply current − 10 50 µA 1.4 − VCC V −0.3 − +0.4 V −5 − +5 µA Interface logic input signal levels (Pins PD and SLCCTR) VIH HIGH-level input voltage VIL LOW-level input voltage Ii(bias) input bias current 2000 Feb 15 logic 1 or 0 6 Philips Semiconductors Product specification DECT receiver UAA3540TS AC CHARACTERISTICS VCC = 3.2 V; Tamb = 25 °C; modulation deviation ∆f = 288 kHz; measured on Philips Semiconductors characterization board at the RF balun input; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Pin RSSI VRSSI RSSI output voltage monotonic over range −96 to −36 dBm with −36 dBm at RF input − 1.7 2 V with −96 dBm at RF input − 0.3 − V twake period between power-up signal and valid RSSI output (wake-up time) no external capacitor on the RSSI output − 25 40 µs SB.3 sensitivity of RF input BER ≤ 10−3; note 1 − −95 −93 dBm SB.5 sensitivity of RF input BER ≤ 10−5; note 1 − −92 −76 dBm IM3 intermodulation rejection unwanted interferers level 33 in channels N + 2 and N + 4 referred to wanted at −83 dBm in channel 5 for BER < 10−3; note 1 40 − dBc Rco co-channel rejection co-channel interferer level −10 referred to wanted at −76 dBm both in channel 5 for BER < 10−3; note 1 −8 − dBc Rj(N + 1) adjacent channel rejection adjacent channel 13 interferer level referred to wanted at −76 dBm in channel 5 for BER < 10−3; note 1 19 − dBc Rj(N + 2) bi-adjacent channel rejection bi-adjacent channel 34 interferer level referred to wanted at −76 dBm in channel 5 for BER < 10−3; note 1 40 − dBc Rj(N + ≥3) ≥3 channels rejection 40 N ≥ 3 adjacent channel interferer level referred to wanted at −76 dBm in channel 5 for BER < 10−3; note 1 44 − dBc Bl∆f > 6 MHz rejection of a blocking signal in the range lf − fcl > 6 MHz unwanted CW level 37 referred to wanted at −83 dBm in channel 5 for BER < 10−3; note 1 55 − dBc Blnear1 rejection of a blocking signal in the ranges: f(RF)(min) − 100 MHz < f < f(RF)(min) − 5 MHz; f(RF)(max) + 5 MHz < f < f(RF)(max) + 100 MHz 52 58 − dBc Blnear2 rejection of a blocking signal in the ranges: f(RF)(min) − 300 MHz < f < f(RF)(min) − 100 MHz; f(RF)(max) + 100 MHz < f < f(RF)(max) + 300 MHz 52 58 − dBc Systems 2000 Feb 15 7 Philips Semiconductors Product specification DECT receiver SYMBOL UAA3540TS PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Blfarlow rejection of a blocking signal in the range: 25 MHz < f <f(RF)(min) − 300 MHz unwanted CW level referred to wanted at −83 dBm in channel 5 for BER < 10−3; note 1 37 58 − dBc Blfarhigh rejection of a blocking signal in the range: f(RF)(max) + 300 MHz < f < 4.32 GHz unwanted CW level referred to wanted at −83 dBm in channel 5 for BER < 10−3; note 1; except 3 occurrences at FG1, FG2 and FG3 as defined in TBR6 47 58 − dBc BFG1 rejection of a blocking signal in occurrence around: FG1 = 2835.648 MHz unwanted CW level referred to wanted at −83 dBm in channel 5 for BER < 10−3; note 1 37 45 − dBc BFG2 rejection of a blocking signal in occurrence around: FG1 = 3150.144 MHz 37 49 − dBc BFG3 rejection of a blocking signal in occurrence around: FG1 = 3779.136 MHz 20 30 − dBc − 70 − Ω pF Receive section Ri(RF) RF input resistance (real part of the parallel input impedance) balanced; at 1890 MHz Ci(RF) RF input capacitance (imaginary part of the parallel input impedance) − 0.8 − f(RF)(max) maximum RF input frequency − − 1930 MHz f(RF)(min) minimum RF input frequency 1880 − − MHz RLi(RF)(m) return loss on matched RF input balanced; note 1 11 15 − dB balanced; at 1890 MHz − 140 − Ω − 0.3 − pF 9 12 − dB − −15 − dBm − 1.5 − V/MHz Local oscillator section Ri(lo) LO input resistance (real part of the parallel input impedance) Ci(lo) LO input capacitance (imaginary part of the parallel input impedance) RLi(lo) return loss on matched LO input Pi(lo) LO input power level balanced; note 2 Demodulator section Gdem demodulator gain Notes 1. Measured on the Philips Semiconductors characterisation board at the RF balun input. 2. Measured on the Philips Semiconductors characterisation board at the LO balun input. 2000 Feb 15 8 Philips Semiconductors Product specification DECT receiver UAA3540TS FCA090 2.4 handbook, full pagewidth VRSSI (V) 2.0 1.6 1.2 0.8 0.4 0 −102 −96 −90 −84 −78 −72 −66 −60 −54 −48 −42 −36 −30 −24 −18 −12 −6 0 6 12 18 Pi(RF) (dBm) VCC = 3.2 V; Tamb = 25oC. Fig.3 RSSI output voltage as a function of RF input power. APPLICATION INFORMATION GND(LO) handbook, full pagewidth PD power down control signal VCC GND(RF) L = 6.8 nH 1.2 pF RF input 2.7 pF RFA L = 6.8 nH L = 6.8 nH 1.2 pF VCC(RF) 2.7 pF RFB GND(IF) RSET 18 kΩ slicer control input signal TEST1 SLCCTR 1 20 2 19 3 18 4 17 5 16 UAA3540TS 6 15 7 14 8 13 9 12 10 11 TEST4 VCC(LO) 8.2 pF symmetrical LO signal from VCO LOA VCC(IF) 8.2 pF VCC RSSI TEST3 RSSI output 27 pF VCC digital data output DATA+ TEST2 DATA− 4.7 nF FCA041 Fig.4 Application diagram. 2000 Feb 15 VCC LOB 9 Philips Semiconductors Product specification DECT receiver UAA3540TS PACKAGE OUTLINE SSOP20: plastic shrink small outline package; 20 leads; body width 4.4 mm D SOT266-1 E A X c y HE v M A Z 11 20 Q A2 A (A 3) A1 pin 1 index θ Lp L 1 10 detail X w M bp e 0 2.5 5 mm scale DIMENSIONS (mm are the original dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (1) e HE L Lp Q v w y Z (1) θ mm 1.5 0.15 0 1.4 1.2 0.25 0.32 0.20 0.20 0.13 6.6 6.4 4.5 4.3 0.65 6.6 6.2 1.0 0.75 0.45 0.65 0.45 0.2 0.13 0.1 0.48 0.18 10 0o Note 1. Plastic or metal protrusions of 0.20 mm maximum per side are not included. OUTLINE VERSION SOT266-1 2000 Feb 15 REFERENCES IEC JEDEC EIAJ EUROPEAN PROJECTION ISSUE DATE 95-02-22 99-12-27 MO-152 10 o Philips Semiconductors Product specification DECT receiver UAA3540TS • Use a double-wave soldering method comprising a turbulent wave with high upward pressure followed by a smooth laminar wave. SOLDERING Introduction to soldering surface mount packages This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “Data Handbook IC26; Integrated Circuit Packages” (document order number 9398 652 90011). • For packages with leads on two sides and a pitch (e): – larger than or equal to 1.27 mm, the footprint longitudinal axis is preferred to be parallel to the transport direction of the printed-circuit board; There is no soldering method that is ideal for all surface mount IC packages. Wave soldering is not always suitable for surface mount ICs, or for printed-circuit boards with high population densities. In these situations reflow soldering is often used. – smaller than 1.27 mm, the footprint longitudinal axis must be parallel to the transport direction of the printed-circuit board. The footprint must incorporate solder thieves at the downstream end. • For packages with leads on four sides, the footprint must be placed at a 45° angle to the transport direction of the printed-circuit board. The footprint must incorporate solder thieves downstream and at the side corners. Reflow soldering Reflow soldering requires solder paste (a suspension of fine solder particles, flux and binding agent) to be applied to the printed-circuit board by screen printing, stencilling or pressure-syringe dispensing before package placement. During placement and before soldering, the package must be fixed with a droplet of adhesive. The adhesive can be applied by screen printing, pin transfer or syringe dispensing. The package can be soldered after the adhesive is cured. Several methods exist for reflowing; for example, infrared/convection heating in a conveyor type oven. Throughput times (preheating, soldering and cooling) vary between 100 and 200 seconds depending on heating method. Typical dwell time is 4 seconds at 250 °C. A mildly-activated flux will eliminate the need for removal of corrosive residues in most applications. Typical reflow peak temperatures range from 215 to 250 °C. The top-surface temperature of the packages should preferable be kept below 230 °C. Manual soldering Fix the component by first soldering two diagonally-opposite end leads. Use a low voltage (24 V or less) soldering iron applied to the flat part of the lead. Contact time must be limited to 10 seconds at up to 300 °C. Wave soldering Conventional single wave soldering is not recommended for surface mount devices (SMDs) or printed-circuit boards with a high component density, as solder bridging and non-wetting can present major problems. When using a dedicated tool, all other leads can be soldered in one operation within 2 to 5 seconds between 270 and 320 °C. To overcome these problems the double-wave soldering method was specifically developed. If wave soldering is used the following conditions must be observed for optimal results: 2000 Feb 15 11 Philips Semiconductors Product specification DECT receiver UAA3540TS Suitability of surface mount IC packages for wave and reflow soldering methods SOLDERING METHOD PACKAGE REFLOW(1) WAVE BGA, SQFP not suitable HLQFP, HSQFP, HSOP, HTSSOP, SMS not PLCC(3), SO, SOJ suitable suitable(2) suitable suitable LQFP, QFP, TQFP SSOP, TSSOP, VSO suitable not recommended(3)(4) suitable not recommended(5) suitable Notes 1. All surface mount (SMD) packages are moisture sensitive. Depending upon the moisture content, the maximum temperature (with respect to time) and body size of the package, there is a risk that internal or external package cracks may occur due to vaporization of the moisture in them (the so called popcorn effect). For details, refer to the Drypack information in the “Data Handbook IC26; Integrated Circuit Packages; Section: Packing Methods”. 2. These packages are not suitable for wave soldering as a solder joint between the printed-circuit board and heatsink (at bottom version) can not be achieved, and as solder may stick to the heatsink (on top version). 3. If wave soldering is considered, then the package must be placed at a 45° angle to the solder wave direction. The package footprint must incorporate solder thieves downstream and at the side corners. 4. Wave soldering is only suitable for LQFP, TQFP and QFP packages with a pitch (e) equal to or larger than 0.8 mm; it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.65 mm. 5. Wave soldering is only suitable for SSOP and TSSOP packages with a pitch (e) equal to or larger than 0.65 mm; it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.5 mm. DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification This data sheet contains final product specifications. Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 2000 Feb 15 12 Philips Semiconductors Product specification DECT receiver UAA3540TS NOTES 2000 Feb 15 13 Philips Semiconductors Product specification DECT receiver UAA3540TS NOTES 2000 Feb 15 14 Philips Semiconductors Product specification DECT receiver UAA3540TS NOTES 2000 Feb 15 15 Philips Semiconductors – a worldwide company Argentina: see South America Australia: 3 Figtree Drive, HOMEBUSH, NSW 2140, Tel. +61 2 9704 8141, Fax. +61 2 9704 8139 Austria: Computerstr. 6, A-1101 WIEN, P.O. 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Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Printed in The Netherlands 403506/02/pp16 Date of release: 2000 Feb 15 Document order number: 9397 750 06422