Order this document by MC13135/D The MC13135/MC13136 are the second generation of single chip, dual conversion FM communications receivers developed by Motorola. Major improvements in signal handling, RSSI and first oscillator operation have been made. In addition, recovered audio distortion and audio drive have improved. Using Motorola’s MOSAIC 1.5 process, these receivers offer low noise, high gain and stability over a wide operating voltage range. Both the MC13135 and MC13136 include a Colpitts oscillator, VCO tuning diode, low noise first and second mixer and LO, high gain limiting IF, and RSSI. The MC13135 is designed for use with an LC quadrature detector and has an uncommitted op amp that can be used either for an RSSI buffer or as a data comparator. The MC13136 can be used with either a ceramic discriminator or an LC quad coil and the op amp is internally connected for a voltage buffered RSSI output. These devices can be used as stand–alone VHF receivers or as the lower IF of a triple conversion system. Applications include cordless telephones, short range data links, walkie–talkies, low cost land mobile, amateur radio receivers, baby monitors and scanners. • • • • • • • • • DUAL CONVERSION NARROWBAND FM RECEIVERS P SUFFIX PLASTIC PACKAGE CASE 724 24 1 DW SUFFIX PLASTIC PACKAGE CASE 751E (SO–24L) 24 Complete Dual Conversion FM Receiver – Antenna to Audio Output 1 Input Frequency Range – 200 MHz Voltage Buffered RSSI with 70 dB of Usable Range ORDERING INFORMATION Low Voltage Operation – 2.0 to 6.0 Vdc (2 Cell NiCad Supply) Low Current Drain – 3.5 mA Typ Device Low Impedance Audio Output < 25 Ω Operating Temperature Range MC13135P VHF Colpitts First LO for Crystal or VCO Operation Isolated Tuning Diode MC13135DW Buffered First LO Output to Drive CMOS PLL Synthesizer MC13136P Plastic DIP SO–24L TA = – 40° to +85°C MC13136DW PIN CONNECTIONS MC13135 1st LO 1st LO Base 1 1st LO Emitter 2 1st LO Out 3 VCC1 4 2nd LO Emitter 5 2nd LO Base 6 2nd Mixer Out 7 VEE 8 Limiter In 9 VCC1 2nd LO VCC2 24 Varicap C 23 Varicap A 22 MC13136 2 1st Mixer In 1 1st LO Out 3 21 1st Mixer In 2 VCC1 4 20 1st Mixer Out 2nd LO Emitter 5 19 VCC2 18 2nd Mixer In 17 Audio Out 16 Op Amp Out 22 1st Mixer In 1 VCC1 21 1st Mixer In 2 20 1st Mixer Out 2nd LO VCC2 2nd LO Base 6 2nd Mixer Out 7 VEE 8 Limiter In 9 19 VCC2 18 2nd Mixer In AF 17 Audio Out 16 Buffered RSSI Output Demod 15 Op Amp In – Decouple 1 10 Decouple 2 11 14 Op Amp In + Decouple 2 11 RSSI 12 13 Quad Coil Limiter 24 Varicap C 23 Varicap A Demod Decouple 1 10 Varicap 1st LO Base 1 1st LO Emitter AF Plastic DIP SO–24L 1st LO Varicap Package Limiter 15 Op Amp In – 14 Limiter Output RSSI 12 13 Quad Input Each device contains 142 active transistors. Motorola, Inc. 1996 MOTOROLA ANALOG IC DEVICE DATA Rev 3 1 MC13135 MC13136 MAXIMUM RATINGS Rating Pin Symbol Value Unit 4, 19 VCC (max) 6.5 Vdc RF Input Voltage 22 RFin 1.0 Vrms Junction Temperature – TJ +150 °C Storage Temperature Range – Tstg – 65 to +150 °C Power Supply Voltage RECOMMENDED OPERATING CONDITIONS Rating Pin Symbol Value Unit 4, 19 VCC 2.0 to 6.0 Vdc Maximum 1st IF – fIF1 21 MHz Maximum 2nd IF – fIF2 3.0 MHz Ambient Temperature Range – TA – 40 to + 85 °C Power Supply Voltage ELECTRICAL CHARACTERISTICS (TA = 25°C, VCC = 4.0 Vdc, fo = 49.7 MHz, fMOD = 1.0 kHz, Deviation = ±3.0 kHz, f1st LO = 39 MHz, f2nd LO = 10.245 MHz, IF1 = 10.7 MHz, IF2 = 455 kHz, unless otherwise noted. All measurements performed in the test circuit of Figure 1.) Characteristic Condition Symbol Min Typ Max Unit Total Drain Current No Input Signal ICC – 4.0 6.0 mAdc Sensitivity (Input for 12 dB SINAD) Matched Input VSIN – 1.0 – µVrms Recovered Audio MC13135 MC13136 VRF = 1.0 mV AFO 170 215 220 265 300 365 – 130 – Limiter Output Level (Pin 14, MC13136) mVrms VLIM mVrms 1st Mixer Conversion Gain VRF = – 40 dBm MXgain1 – 12 – dB 2nd Mixer Conversion Gain VRF = – 40 dBm MXgain2 – 13 – dB First LO Buffered Output – VLO – 100 – mVrms Total Harmonic Distortion VRF = – 30 dBm THD – 1.2 3.0 % Demodulator Bandwidth – BW – 50 – kHz RSSI Dynamic Range – RSSI – 70 – dB – – –17 –11 – – – – 27 – First Mixer 3rd Order Intercept (Input) Second Mixer 3rd Order Intercept (RF Input) TOIMix1 Matched Unmatched dBm Matched Input TOIMix2 First LO Buffer Output Resistance – RLO – – – Ω First Mixer Parallel Input Resistance – R – 722 – Ω First Mixer Parallel Input Capacitance – C – 3.3 – pF First Mixer Output Impedance – ZO – 330 – Ω Second Mixer Input Impedance – ZI – 4.0 – kΩ Second Mixer Output Impedance – ZO – 1.8 – kΩ Detector Output Impedance – ZO – 25 – Ω 2 dBm MOTOROLA ANALOG IC DEVICE DATA MC13135 MC13136 TEST CIRCUIT INFORMATION Although the MC13136 can be operated with a ceramic discriminator, the recovered audio measurements for both the MC13135 and MC13136 are made with an LC quadrature detector. The typical recovered audio will depend on the external circuit; either the Q of the quad coil, or the RC matching network for the ceramic discriminator. On the MC13136, an external capacitor between Pins 13 and 14 can be used with a quad coil for slightly higher recovered audio. See Figures 10 through 13 for additional information. Since adding a matching circuit to the RF input increases the signal level to the mixer, the third order intercept (TOI) point is better with an unmatched input (50 Ω from Pin 21 to Pin 22). Typical values for both have been included in the Electrical Characterization Table. TOI measurements were taken at the pins with a high impedance probe/spectrum analyzer system. The first mixer input impedance was measured at the pin with a network analyzer. Figure 1a. MC13135 Test Circuit VCC 0.84 µH 1st LO 0.01 24 Varicap 1 0.1 Figure 1. 23 20 p 39.0 MHz Xtal 1.0 k 2 22 5.0 p 0.001 62 pF 3 VCC1 5.0 k 0.2 µH 21 20 5 120 p 50 p 10.245 MHz Xtal 2nd LO Ceramic Filter 10.7 MHz VCC2 6 19 0.1 7 9 AF 17 Demod 10 0.1 0.1 360 18 8 Ceramic Filter 455 kHz RF Input 0.01 4 0.1 180 p 8.2 k 0.1 Limiter 16 11 39 k 15 0.1 14 12 0.1 39 k 13 455 kHz Quad Coil Figure 1b. MC13136 Quad Detector Test Circuit VCC AF Demod Limiter 16 39 k 15 12 0.1 14 39 k 13 455 kHz Quad Coil MOTOROLA ANALOG IC DEVICE DATA 3 MC13135 MC13136 Figure 3. RSSI Output versus RF Input 5.0 1200 RSSI OUTPUT (mVdc, Pin 12) 1400 4.0 3.0 RFin = 49.7 MHz fMOD = 1.0 kHz fDEV = ± 3.0 kHz 2.0 1.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 600 400 –120 –100 – 80 – 60 Figure 4. Varactor Capacitance, Resistance versus Bias Voltage Figure 5. Oscillator Frequency versus Varactor Bias 10 CP, f = 150 MHz RP, f = 50 MHz 8.0 6.0 10 4.0 CP, f = 50 MHz 2.0 5.0 RP, f = 150 MHz 1.0 1.5 2.0 2.5 3.0 3.5 0 4.0 47.5 47.0 0.61 µH 46.5 46.0 500 p 1 1st LO 24 23 45.5 27 p 2 45.0 1.0 0.2 µF 1.0 MΩ VB Varicap 2.0 3.0 4.0 5.0 VB, VARACTOR BIAS VOLTAGE, VPin24 to VPin 23 (Vdc) VB, VARACTOR BIAS VOLTAGE (Vdc) Figure 6. Signal Levels versus RF Input Figure 7. Signal + Noise, Noise, and AM Rejection versus Input Power 6.0 10 S+N, N, AND AMR (dB) 10 Second Mixer Output POWER (dBm) 500 p 5.0 p S+N 0 –10 –30 First Mixer Output First Mixer Input –50 – 90 – 80 – 70 – 60 – 50 RFin, RF INPUT (dBm) –10 – 20 – 30 – 40 – 30 – 20 S + N 30% AM – 40 – 50 – 60 Second Mixer Input 4 – 20 48.0 30 – 70 –100 – 40 RF INPUT (dBm) 15 0 0.5 800 VCC = 4.0 V RFin = 49.67 MHz fMOD = 1.0 kHz fDEV = ± 3.0 kHz VCC, SUPPLY VOLTAGE (V) 25 20 1000 200 –140 8.0 R P , EQUIVALENT PARALLEL RESISTANCE (k Ω) C P , EQUIVALENT PARALLEL CAPACITANCE (pF) 0 0 f, FREQUENCY (MHz) I CC , SUPPLY CURRENT (mA) Figure 2. Supply Current versus Supply Voltage 6.0 – 70 –130 VCC = 4.0 Vdc RFin = 49.67 MHz fMOD = 1.0 kHz fDEV = ± 3.0 kHz –110 N – 90 – 70 – 50 – 30 RFin, RF INPUT (dBm) MOTOROLA ANALOG IC DEVICE DATA MC13135 MC13136 Figure 8. Op Amp Gain and Phase versus Frequency Figure 9. First Mixer Third Order Intermodulation (Unmatched Input) 50 160 –10 200 – 30 240 – 50 10 k 100 k R R = 68 kΩ 455 kHz Quad Coil Toko 7MC–8128Z R = 47 kΩ R = 39 kΩ 500 0 ±1.0 ± 3.0 ± 5.0 ± 7.0 ± 9.0 – 60 – 40 – 20 8.0 VCC 7.0 13 R = 68 kΩ 455 kHz Quad Coil Toko 7MC–8128Z 6.0 5.0 R = 47 kΩ 4.0 3.0 2.0 R = 39 kΩ 1.0 ±1.0 ± 3.0 ± 5.0 ± 7.0 ± 9.0 Figure 12. Recovered Audio versus Deviation for MC13136 Figure 13. Distortion versus Deviation for MC13136 VCC muRata C R 455 kHz Resonator CDB455C34 R = 2.7 kΩ C = 270 pF R=∞ C = 660 pF 400 200 R = 1.2 kΩ C = 100 pF ± 4.0 ± 5.0 ± 6.0 ± 7.0 fDEV, DEVIATION (kHz) MOTOROLA ANALOG IC DEVICE DATA ± 8.0 ± 9.0 0 R fDEV, DEVIATION (kHz) 600 0 ± 3.0 – 80 fDEV, DEVIATION (kHz) THD, TOTAL HARMONIC DISTORTION (%) 800 13 –100 –100 Figure 11. Distortion versus Deviation for MC13135 1000 14 3rd Order Intermod Products Figure 10. Recovered Audio versus Deviation for MC13135 1500 1000 Desired Products – 60 RF INPUT (dBm) VCC 13 280 10 M – 40 f, FREQUENCY (Hz) 2000 RA, RECOVERED AUDIO (mVpp) 1.0 M – 20 – 80 THD, TOTAL HARMONIC DISTORTION (%) AV , GAIN (dB) Gain 10 0 0 MIXER OUTPUT (dB) 120 Phase φ, EXCESS PHASE (DEGREES) 30 RA, RECOVERED AUDIO (mVpp) 20 80 10 VCC 14 8.0 13 C R 6.0 muRata 455 kHz Resonator CDB455C34 R=∞ C = 660 pF R = 2.7 kΩ C = 270 pF 4.0 2.0 0 ± 3.0 R = 1.2 kΩ C = 100 pF ± 4.0 ± 5.0 ± 6.0 ± 7.0 ± 8.0 ± 9.0 fDEV, DEVIATION (kHz) 5 MC13135 MC13136 CIRCUIT DESCRIPTION The MC13135/13136 are complete dual conversion receivers. They include two local oscillators, two mixers, a limiting IF amplifier and detector, and an op amp. Both provide a voltage buffered RSSI with 70 dB of usable range, isolated tuning diode and buffered LO output for PLL operation, and a separate VCC pin for the first mixer and LO. Improvements have been made in the temperature performance of both the recovered audio and the RSSI. VCC Two separate VCC lines enable the first LO and mixer to continue running while the rest of the circuit is powered down. They also isolate the RF from the rest of the internal circuit. Local Oscillators The local oscillators are grounded collector Colpitts, which can be easily crystal–controlled or VCO controlled with the on–board varactor and external PLL. The first LO transistor is internally biased, but the emitter is pinned–out and IQ can be increased for high frequency or VCO operation. The collector is not pinned out, so for crystal operation, the LO is generally limited to 3rd overtone crystal frequencies; typically around 60 MHz. For higher frequency operation, the LO can be provided externally as shown in Figure 16. Buffer An amplifier on the 1st LO output converts the single–ended LO output to a differential signal to drive the mixer. Capacitive coupling between the LO and the amplifier minimizes the effects of the change in oscillator current on the mixer. Buffered LO output is pinned–out at Pin 3 for use with a PLL, with a typical output voltage of 320 mVpp at VCC = 4.0 V and with a 5.1 k resistor from Pin 3 to ground. As seen in Figure 14, the buffered LO output varies with the supply voltage and a smaller external resistor may be needed for low voltage operation. The LO buffer operates up to 60 MHz, typically. Above 60 MHz, the output at Pin 3 rolls off at approximately 6.0 dB per octave. Since most PLLs require about 200 mVpp drive, an external amplifier may be required. Figure 14. Buffered LO Output Voltage versus Supply Voltage 600 RPin3 = 3.0 kΩ OUTPUT (mVpp ) 500 Mixers The first and second mixer are of similar design. Both are double balanced to suppress the LO and input frequencies to give only the sum and difference frequencies out. This configuration typically provides 40 to 60 dB of LO suppression. New design techniques provide improved mixer linearity and third order intercept without increased noise. The gain on the output of the 1st mixer starts to roll off at about 20 MHz, so this receiver could be used with a 21 MHz first IF. It is designed for use with a ceramic filter, with an output impedance of 330 Ω. A series resistor can be used to raise the impedance for use with a crystal filter, which typically has an input impedance of 4.0 kΩ. The second mixer input impedance is approximately 4.0 kΩ; it requires an external 360 Ω parallel resistor for use with a standard ceramic filter. Limiting IF Amplifier and Detector The limiter has approximately 110 dB of gain, which starts rolling off at 2.0 MHz. Although not designed for wideband operation, the bandwidth of the audio frequency amplifier has been widened to 50 kHz, which gives less phase shift and enables the receiver to run at higher data rates. However, care should be taken not to exceed the bandwidth allowed by local regulations. The MC13135 is designed for use with an LC quadrature detector, and does not have sufficient drive to be used with a ceramic discriminator. The MC13136 was designed to use a ceramic discriminator, but can also be run with an LC quad coil, as mentioned in the Test Circuit Information section. The data shown in Figures 12 and 13 was taken using a muRata CDB455C34 ceramic discriminator which has been specially matched to the MC13136. Both the choice of discriminators and the external matching circuit will affect the distortion and recovered audio. RSSI/Op Amp The Received Signal Strength Indicator (RSSI) on the MC13135/13136 has about 70 dB of range. The resistor needed to translate the RSSI current to a voltage output has been included on the internal circuit, which gives it a tighter tolerance. A temperature compensated reference current also improves the RSSI accuracy over temperature. On the MC13136, the op amp on board is connected to the output to provide a voltage buffered RSSI. On the MC13135, the op amp is not connected internally and can be used for the RSSI or as a data slicer (see Figure 17c). 400 RPin3 = 5.1 kΩ 300 200 100 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VCC, SUPPLY VOLTAGE (Vdc) 6 MOTOROLA ANALOG IC DEVICE DATA MC13135 MC13136 Figure 15. PLL Controlled Narrowband FM Receiver at 46/49 MHz MC13135 VCC 0.1 2.7 k 1st LO 500 p 500 p 100 k 24 Varicap 1 23 47 k 27 p 0.68 µH 1.0 2 0.1 150 pF RF Input 0.01 4 20 Ceramic Filter 10.7 MHz 5 120 p VDD Fin1 D0 PD1 D1 PD2 D2 LD D3 VSS Fin2 MC145166 0.2 µH 21 VCC1 0.1 3.0 p 62 pF 3 5.1 k OSC OSC Out In 0.001 22 5.0 p 0.01 50 p 10.245 MHz Xtal 2nd LO VCC2 6 19 7 0.1 9 AF Demod 10 0.1 0.1 360 18 8 Ceramic Filter 455 kHz Recovered Audio 1.0 k 17 0.15 Limiter 10 k 16 11 RSSI Output 15 14 12 0.1 68 k 13 455 kHz Quad Coil Figure 16. 144 MHz Single Channel Application Circuit Preamp for MC13135 at 144.455 MHz 1st LO External Oscillator Circuit VCC 15 k L1 100 p 0.82 µ 1.0 k 15 p 68 p 5.6 k X1 43 p 470 Q1 – MPS5179 X1 – 44.585 MHz 3rd Overtone Series Resonant Crystal L1 – 0.078 µH Inductor (Coilcraft Part # 146–02J08) MOTOROLA ANALOG IC DEVICE DATA 1.0 µ fosc = 133.755 MHz + 5.1 k 3300 p Q1 1000p VCC 15 k + 1.0 µF L3 12 p To Mixer 470 p RF Input 39 p Q1 L2 12 p 1.0 µF 3300 p 470 Q1 – MPS5179 L2 – 0.05 µH L3 – 0.07 µH 7 MC13135 MC13136 Figure 17a. Single Channel Narrowband FM Receiver at 49.7 MHz MC13135 VCC 1.0 µH 1.0 k 1st LO 2200 p 1 27 p 39 MHz Xtal 5.0 p 2 + 1.0 Figure 17. 24 Varicap 23 22 3 Buffered LO Output 0.01 0.01 4 0.1 20 5 120 p 50 p 2nd LO Ceramic Filter 10.7 MHz VCC2 6 19 7 10.245 MHz Xtal Ceramic Filter 455 kHz 0.1 9 AF Demod 10 0.1 360 18 8 0.1 62 pF RF Input 150 p 50 Ω Source 0.2 µH 21 VCC1 5.1 k 0.001 17 1.0 k Recovered Audio 0.15 Limiter 10 k 16 11 RSSI Output 15 14 12 0.1 13 39 k 455 kHz Quad Coil Figure 17b. PC Board Component View 39 MHz XT 3 NOTES: 1. 0.2 µH tunable (unshielded) inductor 2. 39 MHz Series mode resonant 3rd Overtone Crystal 3. 1.5 µH tunable (shielded) inductor 4. 10.245 MHz Fundamental mode crystal, 32 pF load 5. 455 kHz ceramic filter, muRata CFU 455B or equivalent 6. Quadrature coil, Toko 7MC–8128Z (7mm) or Toko RMC–2A6597HM (10mm) 7. 10.7 MHz ceramic filter, muRata SFE10.7MJ–A or equivalent 2 1 1.0 k 0.1 CF 0.01 5 0.1 10.7 MHz CF 4 MC13135 10.245 MHz XT 62p 0.01 50p 120p 150p .001 27p 5p 1.0 + 0.1 5.1k 2200p 360 1.0k 7 10k 455 KHz 0.15 0.1 0.22 10 + +4.7 10k 0.1 51K 39K MC34119 Figure 17c. Optional Data Slicer Circuit (Using Internal Op Amp) +10 0.1 VCC 6 20 k Vin (Pin 17) 20 k 15 16 14 10 k FSK Data Output 0.001 10 k 1.0 M 8 MOTOROLA ANALOG IC DEVICE DATA MC13135 MC13136 Figure 18. PC Board Solder Side View L.O. 3.25″ AUDIO VCC GROUND RF IN SPEAKER VCC2 RSSI MC13135 MC13136 3.375″ (Circuit Side View) Figure 19. PC Board Component View 39 MHz XT 3 NOTES: 1. 0.2 µH tunable (unshielded) inductor 2. 39 MHz Series mode resonant 3rd Overtone Crystal 3. 1.5 µH tunable (shielded) inductor 4. 10.245 MHz Fundamental mode crystal, 32 pF load 5. 455 kHz ceramic filter, muRata CFU 455B or equivalent 6. Ceramic discriminator, muRata CDB455C34 or equivalent 7. 10.7 MHz ceramic filter, muRata SFE10.7MJ–A or equivalent 2 1 1.0 k 0.1 0.1 1.0 + 360 1.0k 7 CF 5 0.01 10.7 MHz CF 4 MC13136 10.245 MHz XT 62p 0.01 50p 120p 150p .001 27p 5p 0.1 5.1k 2200p 10k 455 KHz 0.15 0.1 0.22 10 + 51K 2.7k 6 +4.7 10k 270p 0.1 MC34119 +10 0.1 MOTOROLA ANALOG IC DEVICE DATA 9 MC13135 MC13136 Figure 20a. Single Channel Narrowband FM Receiver at 49.7 MHz MC13136 Figure 20. VCC 1.0 µH 1.0 + 1st LO 2200 p 23 27 p 2 39 MHz Xtal 5.0 p 1.0 k Buffered LO Output 24 Varicap 1 22 62 pF 3 0.01 5.0 k 4 0.1 21 VCC1 50 p 10.245 MHz Xtal 2nd LO RF Input 50 Ω Source Ceramic Filter 10.7 MHz VCC2 6 19 0.1 360 18 8 9 AF 17 1.0 k Recovered Audio Demod 10 0.1 150 pF 20 7 Ceramic Filter 455 kHz 0.1 0.2 µH 0.01 5 120 p 0.001 0.15 Limiter 10 k 16 11 15 12 RSSI Output 14 270 p 0.1 13 2.7 k muRata 455 kHz Resonator CDB455C34 Figure 20b. Optional Audio Amplifier Circuit Recovered Audio + 10 0.22 3 8 MC34119 1 4.7 + 2 4 7 6 +10 VCC Speaker 5 10 k 51 k 10 MOTOROLA ANALOG IC DEVICE DATA MOTOROLA ANALOG IC DEVICE DATA VEE 5.0 p 15 k 2.0 k Figure 21. 10 11 9 VCC 2 VEE 2 1 VCC 1 52 k 50 k First LO 8.0 k Limiting IF Amplifier 1.0 k 22 3 First Mixer 5.0 p 13 100 k 20 100 5 6 12 k This device contains 142 active transistors. 21 1.0 k 6.0 k VEE 12 Bias 4.0 k 18 14 Detector and Audio Amplifier VCC 2 Second LO Figure 21. MC13135 Internal Schematic 4.0 k 15 Op Amp Second Mixer 7 VEE 17 VCC 2 VEE 16 VCC 2 VEE 1.6 k VCC 2 MC13135 MC13136 11 12 VEE 10 11 9 VCC 2 VEE 2 1 VCC 1 2.0 k 5.0 p 15 k 52 k 50 k First LO 8.0 k Limiting IF Amplifier 1.0 k 22 3 First Mixer 5.0 p 13 100 k 20 100 5 6 12 k 14 This device contains 142 active transistors. 21 1.0 k 6.0 k VEE 12 Bias 4.0 k 18 Detector and Audio Amplifier VCC 2 Second LO Figure 22. MC13136 Internal Schematic 4.0 k 15 Op Amp Second Mixer 7 VEE 17 VCC 2 VEE 16 VCC 2 VEE 1.6 k VCC 2 MC13135 MC13136 Figure 22. MOTOROLA ANALOG IC DEVICE DATA MC13135 MC13136 OUTLINE DIMENSIONS P SUFFIX PLASTIC PACKAGE CASE 724–03 ISSUE D –A– 24 13 1 12 NOTES: 1. CHAMFERED CONTOUR OPTIONAL. 2. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 3. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 4. CONTROLLING DIMENSION: INCH. –B– L C –T– NOTE 1 K SEATING PLANE E G M N F J 24 PL 0.25 (0.010) D 24 PL 0.25 (0.010) T A M M T M B M DIM A B C D E F G J K L M N INCHES MIN MAX 1.230 1.265 0.250 0.270 0.145 0.175 0.015 0.020 0.050 BSC 0.040 0.060 0.100 BSC 0.007 0.012 0.110 0.140 0.300 BSC 0° 15° 0.020 0.040 MILLIMETERS MIN MAX 31.25 32.13 6.35 6.85 3.69 4.44 0.38 0.51 1.27 BSC 1.02 1.52 2.54 BSC 0.18 0.30 2.80 3.55 7.62 BSC 0° 15° 0.51 1.01 DW SUFFIX PLASTIC PACKAGE CASE 751E–04 (SO–24L) ISSUE E –A– 24 13 –B– P 12 PL 0.010 (0.25) 1 M B M 12 D 24 PL J 0.010 (0.25) M T A S B S F R X 45° C –T– SEATING PLANE G 22 PL MOTOROLA ANALOG IC DEVICE DATA K M NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.13 (0.005) TOTAL IN EXCESS OF D DIMENSION AT MAXIMUM MATERIAL CONDITION. DIM A B C D F G J K M P R MILLIMETERS MIN MAX 15.25 15.54 7.60 7.40 2.65 2.35 0.49 0.35 0.90 0.41 1.27 BSC 0.32 0.23 0.29 0.13 8° 0° 10.05 10.55 0.25 0.75 INCHES MIN MAX 0.601 0.612 0.292 0.299 0.093 0.104 0.014 0.019 0.016 0.035 0.050 BSC 0.009 0.013 0.005 0.011 0° 8° 0.395 0.415 0.010 0.029 13 MC13135 MC13136 NOTES 14 MOTOROLA ANALOG IC DEVICE DATA MC13135 MC13136 NOTES MOTOROLA ANALOG IC DEVICE DATA 15 MC13135 MC13136 Motorola reserves the right to make changes without further notice to any products herein. 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