MC145051 Motorola, MC145051 Datasheet
MC145051
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MC145051 Summary of contents
Page 1
... The MC145050 has the same pin out as the 8-bit MC145040 which allows an external clock (ADCLK) to operate the dynamic A/D conversion sequence. The MC145051 has the same pin out as the 8-bit MC145041 which has an internal clock oscillator and an end-of-conversion (EOC) output. 11 Analog Input Channels with Internal Sample-and-Hold Operating Temperature Range: – ...
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... TEST AN13 VOLTAGES out SCLK 19 ADCLK (MC145050 ONLY) 19 EOC (MC145051 ONLY) ABSOLUTE MAXIMUM RATINGS Symbol Parameter Supply Voltage (Referenced ref DC Reference Voltage V AG Analog Ground Input Voltage, Any Analog or Digital Input V out DC Output Voltage ...
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... Minimum Total Cycle Time Total time to transfer serial data, sample the analog input, and perform the conversion MC145050: ADCLK = 2.1 MHz, SCLK = 2.1 MHz MC145051: SCLK = 2.1 MHz Maximum Sample Rate Rate at which analog inputs may be sampled MC145050: ADCLK = 2.1 MHz, SCLK = 2.1 MHz MC145051: SCLK = 2.1 MHz ...
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... Maximum Three-State Output Capacitance NOTES: 1. After the 10th SCLK falling edge ( 2 V), at least 1 SCLK rising edge ( 2 V) must occur within 38 ADCLKs (MC145050) or 18.5 s (MC145051 the MC145051 edge may be received immediately after an active transition on the EOC pin. MC145050 MC145051 4 Parameter ...
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... NOTE: D out is driven only when CS is active (low). 2.0 V SCLK t h EOC 0 2.18 k DEVICE UNDER TEST 2 PZH , t PZL t PHZ , t PLZ 90% 2.4 V 0.4 V 10% Figure 2. t TLH 2 2.4 V 0.4 V VALID MSB Figure 4. 10TH 0.8 V CLOCK t PHL 2 THL Figure TEST POINT 2.18 k EOC Figure 8. Test Circuit MC145050 MC145051 5 ...
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... Any transitions on the MC145050 CS pin are recognized as valid only if the level is maintained for a setup time plus two falling edges of ADCLK after the transition. Transitions on the MC145051 CS pin are recognized as valid only if the level is maintained for about 2 s after the transition. NOTE ...
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... ADCLK. The source driving ADCLK must be free running. EOC End-of-Conversion Output (Pin 19, MC145051 Only) EOC goes low on the tenth falling edge of SCLK. A low-to- high transition on EOC occurs when the A/D conversion is complete and the data is ready for transfer. ...
Page 8
... D0 = the result of the previous A/D conversion. 2. A3, A2, A1 the mux address for the next A/D conversion. * This figure illustrates the behavior of the MC145051. The MC145050 behaves identically except there is no EOC signal and the conversion time is 44 ADCLK cycles (user-controlled time). MC145050 MC145051 ...
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... MOTOROLA WIRELESS SEMICONDUCTOR SOLUTIONS DEVICE DATA MC145050 MC145051 9 ...
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... MC145050 MC145051 10 MOTOROLA WIRELESS SEMICONDUCTOR SOLUTIONS DEVICE DATA ...
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... CMOS MCU operating at reduced clock rates to minimize power consumption without severely sacrificing ADC cycle times, with EOC being used to generate an interrupt. (The MC145051 may also be used with MCUs which do not provide a system clock.) ANALOG DESIGN CONSIDERATIONS Controllers with output impedances of less than directly interfaced to these ADCs, eliminating the need for buffer amplifiers ...
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... Full Scale Test: Output = $FFC0 $EXXX None Not Allowed $FXXX None Not Allowed CONTROLLER #1 CONTROLLER #2 5 VOLT CONTROLLER REFERENCE #3 CIRCUIT MC145050 MC145051 12 Table 3. Programmer’s Guide for 16-Bit Transfers: Conversion Result Without Offset Removed Offset Removed $0000 $0040 $0080 $00C0 $0100 $0140 $0180 $01C0 $0200 ...
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... Yes MC68HC05C4 — Yes MC68HSC05C5 4160 8K — Yes MC68HSC05C8 — Yes MC68HCL05C4 4160 — Yes MC68HCL05C8 8K — Yes MC68HC05C8 7700 — 4160 — MC68HC805C5 — — — MC68HC000 DO NOT CONNECT NOT CONNECT AT IC Device Device MC145050 MC145051 13 ...
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... SEATING PLANE MC145050 MC145051 14 PACKAGE DIMENSIONS PLASTIC DIP P SUFFIX CASE 738- 0.25 (0.010) M 0.25 (0.010 MOTOROLA WIRELESS SEMICONDUCTOR NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEAD WHEN FORMED PARALLEL ...
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... MATERIAL CONDITION. MILLIMETERS INCHES DIM MIN MAX MIN MAX A 12.65 12.95 0.499 0.510 B 7.40 7.60 0.292 0.299 C 2.35 2.65 0.093 0.104 D 0.35 0.49 0.014 0.019 F 0.50 0.90 0.020 0.035 1.27 BSC 0.050 BSC G J 0.25 0.32 0.010 0.012 K 0.10 0.25 0.004 0.009 10.05 10.55 0.395 0.415 R 0.25 0.75 0.010 0.029 Mfax is a trademark of Motorola, Inc. MC145050 MC145051 MC145050/D 15 ...