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| FS: 04/93 Page 1 SIEMENS AG TDA 4321 XS IC-SPECIFICATION ----------------------------------------------------------------- Table of Contents FM-IF IC with counter output, analog STS, field strength indicator, noise detector and mute setting Table of Contents Functional Description, Application Circuit Description Block Diagramm Pin Assignment Package Outline Absolute Maximum Ratings Operational Range AC / DC Characteristics Tamb = +25C Test Circuit Application Circuit Diagrams Page Page Page Page Page Page Page Page Page Page Page Page 1 2 3 4 5 6 7 8 9 ... 10 11 12 13 ...16 This specification replaces the previous editions DOK-Nr. V66047-S1665-B100-V1 date 24.7.98 DOK-Nr. date The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 FS: 04/93 Page 2 SIEMENS AG TDA 4321 XS IC-SPECIFICATION ----------------------------------------------------------------- Functional Description, Application The FM-IF-Demodulator TDA 4321 XS has been developed especially for car radio applications. The on-chip multipath identification circuit activates an interference suppression circuit in case of multipath interferences. The TDA 4321 XS includes an: - 7stage limiter amplifier - Coincidence demodulator - Counter output with request input - Field strength output - Analog Multipath identification circuit - Adjustable muting depth (with full muting 80dB) - STS function. This device is ESD protected. ----------------------------------------------------------------- The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 FS: 04/93 Page 3 SIEMENS AG TDA 4321 XS IC-SPECIFICATION ----------------------------------------------------------------- Circuit Description The IC includes a 7 stage capacitive coupled-limiter amplifier with coincidence demodulator and AF output. The AF output signal can be continuously attenuated to decrease the noise. In case of multipath interferences, the TDA 4321 XS includes an identification circuitry with analog output. There is a field strength output (with min. 76 dB dynamic range, typ. 1 dB nonlinearity and typ. 3 dB temperature drift), an IF-Counter output and an adjustable muting (with full muting 80dB). An STS output with adjustable threshold and stop window is available. ----------------------------------------------------------------- .The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved HL DOK V66047-S1665-B100-G1 5.10.98 SIEMENS AG ------------------------------------------------------------------------------------------------------ Block Diagram TDA 4321 XS IC-SPECIFICATION UiIF 1 2 6 Field strength 7 +VS 9 IFCounter 15 8 VRef STS out 13 10 VRef STS 20 3 4 Multipath detector 5 19 Muteinput 17 MPX 18 Mutedepth 14 12 11 STS threshold The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 FS: 04/93 Page 5 SIEMENS AG TDA 4321 XS IC-SPECIFICATION ----------------------------------------------------------------- Pin Assignment 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 IF input IF input bias Multipath identification input Rectifier time constant Multipath identification output Field strength adjust Field strength output Reference voltage output Supply voltage Demodulator circuit Demodulator circuit STS threshold STS output STS filter time constant and stop window width IF-Counter output NC MPX output Mute depth Mute input Ground ----------------------------------------------------------------- The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 FS: 04/93 Page 6 SIEMENS AG TDA 4321 XS IC-SPECIFICATION ----------------------------------------------------------------- Package Outline Plastic-Package TSSO-P 20-1 ----------------------------------------------------------------- The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 FS: 04/93 Page 7 SIEMENS AG TDA 4321 XS IC-SPECIFICATION ----------------------------------------------------------------- Absolute Maximum Ratings The maximal ratings may not be exceeded under any circumstances, not even momentarily and individually, as permanent damage to the IC will result. Max. Ratings for ambient temperature T amb -40 C to +85 C # Symbol Min Max Units Remarks 1 2 3 4 Supply voltage Junction temperature Storage temperature ESD voltage, HBM (1.5 k ,100pF) VS Tj Ts VESD 0 +13.5 +150 +125 V C C kV -4 +4 5 Thermal Resistance Rthsa 115 K/W ----------------------------------------------------------------- The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 FS: 04/93 Page 8 SIEMENS AG TDA 4321 XS IC-SPECIFICATION ----------------------------------------------------------------- Operational Range Within the operational range the IC operates as described in the circuit description. The AC / DC characteristic limits are not guaranteed. # Parameter Symbol Min Max Units Remarks 1 2 Supply voltage Ambient temperature VS Tamb +7.5 -40 +11 +85 V C ----------------------------------------------------------------- The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 FS: 04/93 Page 9 SIEMENS AG TDA 4321 XS IC-SPECIFICATION ----------------------------------------------------------------- AC / DC Characteristics AC / DC characteristics involve the spread of values guaranteed within the specified supply voltage and ambient temperature range. Typical characteristics are the median of the production. # Parameter Symbol Test Conditions Test Circuit Min Typ Max Units Measuring condition: VS= 10 V; fiIF=10.7 MHz; f= 75 kHz; fmod= 1 kHz;ViIF =10 mVrms; Tamb= +25C 1 2 3 Current consumption Stabilized voltage Field strength output -dynamic range -nonlinearity -temperature drift -Load capacitance -Load resistance I9 V8 V7 V19=4.8V;V18=4V V19=4.8V;V18=4V V19=4.8V;V18=4V 1 1 4.5 33 4.8 41 5.1 mA V D1 D2 D3 74 80 1 3 50 1 V7 V7 V7 V1rms=200mV V1rms=1mV V1rms=0mV 1 1 1 5 2.3 0 5.4 2.7 5.8 3.1 1.1 dB dB dB pF k V V V Vrms 4 Input voltage for limiter threshold AF-output voltage AF-output voltage V1 V17=- 3dB 1 20 30 5 6 V17 V17 V19=4.8V;V18=4V V19=4.8V;V18=4V R 10-11=2k;f= 22,5 kHz V19=4.8V;V18=4V 1 Lab 460 550 80 640 mVrms mVrms 7 Total harmonic distoriton AM-suppression THD17 1 0.8 % 8 aAM m=80 % m=30 % 1 1 1 1 60 70 76 50 84 80 dB dB dB mVrms 9 10 Signal-to-noise ratio a S/N V19=4.8V;V18=4V C L=5pF;Ri15=1.5k Counter-output voltage V15 ----------------------------------------------------------------- The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 FS: 04/93 Page 10 SIEMENS AG TDA 4321 XS IC-SPECIFICATION ----------------------------------------------------------------- AC / DC Characteristics AC / DC characteristics involve the spread of values guaranteed within the specified supply voltage and ambient temperature range. Typical characteristics are the median of the production. # Parameter Symbol Test Conditions Test Circuit Min Typ Max Units Measuring condition: VS= 10 V; fiIF=10.7 MHz; f= 75 kHz; fmod= 1 kHz;ViIF =10 mVrms; Tamb= +25C A A V V5Def-2.5V 14 15 16 17 18 19 Attack current Recovery current Start voltage I4*) I4*) V5Def V3AC=1Vpp; Vm=5.0V V3AC=0V; Vm=3.6V V3AC=0V V3 =100mVpp V3 =350mVpp V19=4.8V ;V18=4.8V V19=0V V19=0V ;V18=4.8V ;V18=2.4V 1 1 1 1 1 D4 D4 D4 D4 D4 1 1 700 -6 4.4 V5Def-3.5V 900 -9 4.7 V5Def-3V 1100 -12 Detector characteristic V5 Detector characteristic V5 AF mute aAF V mV dB 500 0 -2 32 80 80 0.5 0 0.1 25 10 38 2 44 dB dB dB dB V V kHz V19=4.8V ;V181.0V V19=0V 20 21 22 Voltage for mute off Voltage for mute on Search tuning stop window Search tuning stop offset Search tuning stop threshold FM V19 V19 fSTS13 R 8-14 = 56k ;V18 1.0V 1 23 fSToffs R 8-14 = 56k; THD = min 1 kHz Vrms mVrms 24 ViST1 ViST1 V12=open V12=2.4V 1 1 50 0.65 100 1.3 200 2.6 *) Integrator currents are measured between the output pin (- Pole of the measurement equipment) and a voltage source Vm (+ Pole) ----------------------------------------------------------------- The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 SIEMENS AG ------------------------------------------------------------------------------------------------------ Test Circuit TDA 4321 XS IC-SPECIFICATION Vin 56 V3 V4 V5 V6 100k 300 47n 330 47n 18k 56k 47n 100n 100n V7 V8 Vs 1 2 3 4 5 6 7 8 9 10 120p 3k6 20 19 18 17 16 N.C. 10n 15 14 100n 13 12 100n 11 V19 V18 V17 100k V15 V13 V12 56k The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 SIEMENS AG ------------------------------------------------------------------------------------------------------ Application Circuit TDA 4321 XS IC-SPECIFICATION The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 FS: 04/93 Page 13 SIEMENS AG TDA 4321 XS D1 IC-SPECIFICATION ----------------------------------------------------------------- Diagrams VF Characteristic UF (V) 5 2.5 -80 M3 -60 M1 -40 -20 M2 0 M4 UiIF (dBm) VF - Dynamic MVFmin MVFmax VF - Dynamic :The dynamic range of VF voltage is determined by the test points M1 through M4 as follows: M1: test point (at ViIF= M2: test point (at ViIF= M3: test point (at ViIF= M4: test point (at ViIF= Hence follows : UF (M4) - UF (M2) MVFmax:= - 20 dBm+----------------- x 40 dB UF (M2) - UF (M1) UF (M1) - UF (M3) MVFmin:= - 60 dBm - ----------------- x 40 dB UF (M2) - UF (M1) VF - Dynamic = MVFmax - MVFmin -60 dBm) supplies VF (M1) -20 dBm) supplies VF (M2) -90 dBm) supplies VF (M3) +5 dBm) supplies VF (M4) ----------------------------------------------------------------- The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 FS: 04/93 Page 14 SIEMENS AG TDA 4321 XS IC-SPECIFICATION ----------------------------------------------------------------- Diagrams VF (V) 5 VF Characteristic D2 2.5 VF VFmax VFmin ViIF -40 -20 M2 0 UiIF (dBm) -80 -60 M1 Test points to determine VF linearity VF - Linearity:is determined at 25 C Slope VF (M2) - VF (M1) : m = ------------------ 40 dB The tolerance range of the VF - linearity is determined by two parallel lines: VFmax = VF (M1) + m (M + 60 dB+ 1dB) VFmin = VF (M1) + m (M + 60 dB - 1dB) The VF values within the VF dynamic range (MVFminMMVFmax) must be inside the predetermined tolerance range: VFmin VF ( M ) VFmax ----------------------------------------------------------------- The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 FS: 04/93 Page 15 SIEMENS AG TDA 4321 XS IC-SPECIFICATION ----------------------------------------------------------------- Diagrams VF (V) 5 VF Characteristic D3 2.5 VF VFmax VFmin ViIF -20 M2 0 UiIF (dBm) -80 -60 M1 -40 Test points to determine VF temperature drift VF -Temperatur - Drift : It is determined within -40 bis +85 C Slope UF (M2) - UF (M1) : m = ------------------ 40 dB (at 25 C ) The tolerance range of the VF temperature drift is determined by two parallel lines: VFmax = VF (M1) + m (M + 60 dB+ 3dB) VFmin = VF (M1) + m (M + 60 dB - 3dB) The VF values for temperatures between -40 to +85 C within the VF dynamic range (MVFminVFMVFmax) must be inside the predetermined tolerance field: VFmin VF ( M ) VFmax ----------------------------------------------------------------- The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 FS: 04/93 Page 16 SIEMENS AG TDA 4321 XS IC-SPECIFICATION ----------------------------------------------------------------- Diagrams 0dB Muting Characteristic D4 VqAF (dB) 20dB typ 38dB 60dB 80dB 2.4V V17(V);V18=0 V 4.7 V Diagram of Mute Characteristic ----------------------------------------------------------------- The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. HL DOK V66047-S1665-B100-G1 5.10.98 |
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