TMC2242B CADEKA [Cadeka Microcircuits LLC.], TMC2242B Datasheet
TMC2242B
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TMC2242B Summary of contents
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... Digital waveform reconstruction post-filtering • Telecommunications • Direct digital synthesis • Radar The TMC2242A and TMC2242B user selects the mode of operation (decimate, interpolate, or equal-rate) and round- ing. The TMC2242A and TMC2242B accept 12-bit 2's com- plement data MHz and output saturated (overfl ...
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... Full compliance with the CCIR-601 standard atten- uation at 0. achieved by cascading two parts. s The TMC2242A and TMC2242B are fabricated on an advanced submicron CMOS process. They are available in a 44-lead J-lead PLCC package. Performance is guaranteed from 0 ° ° C. Functional Description The TMC2242A and TMC2242B implement a fi ...
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... CLK rate. When INT = DEC, the TMC2242A is in equal rate mode. When both INT and DEC are HIGH, the TMC2242B is likewise in equal-rate mode, but when both INT and DEC are LOW, the TMC2242B interpolates with unity gain. In equal-rate mode, the input and output sample rates equal the chip clock rate. ...
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... Output Current, Logic HIGH OH I Output Current, Logic LOW OL T Ambient Temperature, Still Air Conditions Single output in HIGH state to ground 10 seconds Conditions Min 4.75 TMC2242A, B TMC2242A-1,B-1 TMC2242A-2,B 2.0 0 TMC2242A/TMC2242B Min Max Units -0.5 7 -3.0 +6 sec ° C -20 110 ° ...
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... TMC2242A/TMC2242B Electrical Characteristics Parameter I Total Power Supply DD Current I Power Supply Current, DDU Unloaded I Power Supply Current, DDQ Quiescent C I/O Pin Capacitance PIN I Input Current, HIGH IH I Input Current, LOW IL I Leakage Current, HIGH OZH I Leakage Current, LOW OZL I Short-Circuit Current OS V Output Voltage, HIGH ...
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... Table 4a. Input Data Format center TMC2242A/TMC2242B INT=1 INT=0 INT=1 DEC=1 DEC=0 TCO=1 TCO ... ... ... 4018 2008 4018 DC Gain 4018 2010 4018 4018 ...
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... Table 4b. Output Data Formats and Bit Weighting for TCO = 1 Interpolation Mode (TMC2242A and TMC2242B when INT = 0 and DEC = … 2 Decimation, Equal Rate Modes (and TMC2242B in unity gain interpolate mode with INT = DEC = … 2 Rounded LSBs as a function of RND ...
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... PRODUCT SPECIFICATION Table 6. TMC2242B Steady-State Output Values and Limiter Triggers (L) versus Input Data Interpolation Modes INT = 0 and DEC = 0 Input TCO = 0 7FF 0000 (L) 400 3FEF / 3FDF 001 7FEF 000 7FFF FFF 800F C00 C00F / C01F 801 FFFF Decimation and Equal-Rate Modes Input ...
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... TMC2242A/TMC2242B Performance Curves (continued) 0.10 0.08 0.06 0.04 0.02 0.00 -0.02 -0.04 -0.06 -0.08 -0.10 0.00 110 100 - Equivalent Circuits V Digital Input GND Figure 7. Equivalent Digital Input Circuit 0.10 Normalized Frequency Figure 2. Passband Ripple Response 20 30 Sample Figure 3. Step Response 65-2242A-09 Figure 8. Equivalent Digital Output Circuit PRODUCT SPECIFICATION ...
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... Figure 4. Equal Rate Mode 1 Figure 5. Decimate Mode 1 Figure 6. Interpolate Mode TMC2242A/TMC2242B t t PWH PWL 65-2242A- PWH PWL 65-2242A- PWH PWL 65-2242A-08 ...
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... Note: Data buses are unsigned binarys; TMC2242 input is two’s complement. Figure 11. Interpolating Digital Video Signals before Reconstruction t 0.5V DIS 0.5V High Impedance In Figure 11, the TMC2242B drives a fast D/A converter to reconstruct analog composite video. The TMC3003 10-bit , are digital-to-analog converter inputs, D 7-0 , respectively TMC2242B outputs SO ...
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... PRODUCT SPECIFICATION Notes: 12 TMC2242A/TMC2242B ...
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... TMC2242A/TMC2242B Notes: PRODUCT SPECIFICATION 13 ...
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... Notes: Notes 1. All dimensions and tolerances conform to ANSI Y14.5M-1982 Max. 2. Corner and edge chamfer (J) = 45¡ 4.57 3. Dimension D1 and E1 do not include mold protrusion. Allowable 3.05 protrusion is .101" (.25mm) — .53 .81 17.65 16.66 3 1. – C – LEAD COPLANARITY B ccc C TMC2242A/TMC2242B ...
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... TMC2242A/TMC2242B Mechanical Dimensions – 44-Lead MQFP Package Inches Millimeters Symbol Min. Max. Min. A .077 .093 1.95 A1 .000 .010 .00 A2 .077 .083 1.95 B .012 .018 .30 C .005 .009 .13 D/E .510 .530 12.95 D1/E1 .390 .398 9.90 e .032 BSC .81 BSC L .026 .037 . 0¡ 7¡ 0¡ ...
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... TMC2242BR2C1 0°C to 70°C TMC2242BR2C2 0°C to 70°C TMC2242AKTC 0°C to 70°C TMC2242AKTC1 0°C to 70°C TMC2242AKTC2 0°C to 70°C TMC2242BKTC 0°C to 70°C TMC2242BKTC1 0°C to 70°C TMC2242BKTC2 0°C to 70°C Speed Screening Package Grade 30 MHz Commercial 44-Lead PLCC 40 MHz ...