adc12l032 National Semiconductor Corporation, adc12l032 Datasheet
adc12l032
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adc12l032 Summary of contents
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... MICROWIRE ™ and Motorola’s SPI standards. For voltage references, see the LM4040, LM4050 or LM4041 data sheets. The ADC12L032 and the ADC12L034 are not recommended for new designs and are presented for reference only. ADC12L038 Simplified Block Diagram COPS ™ microcontrollers, HPC ™ ...
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... This product is on lifetime buy or obsolete. Shown for reference only. * This product is on lifetime buy or obsolete. Shown for reference only. 01183005 Industrial Temperature Range −40˚C ≤ T ≤ +85˚C A ADC12L030CIWM ADC12L032CIWM * ADC12L034CIWM * ADC12L038CIWM 2 20-Pin Wide Body SO Package 01183003 Top View 24-Pin Wide Body ...
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Pin Descriptions CCLK The clock applied to this input controls the suc- cessive approximation conversion and the ac- quisition time. The rise and fall times of the clock edges should not be longer than 1 µs. SCLK This serial data ...
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... A/D IN Common Mode Voltage ± Range ± 120 mA [(V IN 500 mW Package Thermal Resistance 1500V ADC12L030CIWM ADC12L032CIWM * 215˚C ADC12L034CIWM * 220˚C ADC12L038CIWM −65˚C to +150˚C * This product is on lifetime buy or obsolete. Shown for reference only +3 +2.500 V ...
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Converter Electrical Characteristics The following specifications apply for V sion mode MHz 25Ω, source impedance for 1.250V common-mode voltage, and 10 all other limits T ...
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DC and Logic Electrical Characteristics The following specifications apply for V sion mode MHz 25Ω, source impedance for 1.250V common-mode voltage, and 10 all other ...
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AC Electrical Characteristics The following specifications apply for V sion mode ns MHz with fixed 1.250V common-mode voltage, and 10 ...
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AC Electrical Characteristics The following specifications apply for V sion mode ns MHz with fixed 1.250V common-mode voltage, and 10 ...
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AC Electrical Characteristics Note 16: Channel leakage current is measured after the channel selection. Note 17: Timing specifications are tested at the TTL logic levels 1.4V. Note 18: The ADC12L030 family’s self-calibration technique ensures linearity and offset errors ...
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AC Electrical Characteristics FIGURE 3. Simplified Error Curve vs. Output Code after Auto-Calibration Cycle www.national.com (Continued) 01183010 FIGURE 4. Offset or Zero Error Voltage 10 01183009 ...
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Typical Performance Characteristics calibration unless otherwise specified. The performance for 8-bit + sign mode is equal to or better than shown. (Note 9) Linearity Error Change vs. Temperature Full-Scale Error Change vs. Supply Voltage Zero Error Change vs. Supply Voltage ...
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Typical Performance Characteristics auto-calibration unless otherwise specified. The performance for 8-bit + sign mode is equal to or better than shown. (Note 9) (Continued) Digital Supply Current vs. Temperature Test Circuits DO “TRI-STATE” (t www.national.com The following curves apply for ...
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Timing Diagrams DO Falling and Rising Edge DO Data Output Timing with CS Continuously Low DO “TRI-STATE” Falling and Rising Edge 01183018 DI Data Input Timing DO Data Output Timing Using CS 13 01183019 01183020 01183021 01183022 www.national.com ...
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Timing Diagrams (Continued) Note: DO output data is not valid during this cycle. ADC12L038 Read Data without Starting a Conversion Using CS www.national.com ADC12L038 Auto-Cal or Auto-Zero 14 01183023 01183024 ...
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Timing Diagrams (Continued) ADC12L038 Read Data without Starting a Conversion with CS Continuously Low ADC12L038 Conversion Using CS with 8-Bit Digital Output Format 15 01183025 01183026 www.national.com ...
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Timing Diagrams (Continued) ADC12L038 Conversion Using CS with 16-Bit Digital Output Format ADC12L038 Conversion with CS Continuously Low and 8-Bit Digital Output Format www.national.com 16 01183027 01183028 ...
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Timing Diagrams (Continued) ADC12L038 Conversion with CS Continuously Low and 16-Bit Digital Output Format ADC12L038 Software Power Up/Down Using CS with 16-Bit Digital Output Format 17 01183029 01183030 www.national.com ...
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Timing Diagrams (Continued) ADC12L038 Software Power Up/Down with CS Continuously Low and 16-Bit Digital Output Format Note: Hardware power up/down may occur at any time high while a conversion is in progress that conversion will be corrupted ...
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Timing Diagrams (Continued) ADC12L038 Configuration Modification — Example of a Status Read Note: In order for all 9 bits of status information to be accessible the last conversion programmed before Cycle N needs to have a resolution of 8 bits ...
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Timing Diagrams (Continued) FIGURE 6. Protecting the MUXOUT1, MUXOUT2, A/DIN1 and A/DIN2 Analog Pins Format and Set-Up Tables DO Formats DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15 DB16 17 Bits X ...
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Format and Set-Up Tables Analog Channel Addressed and Assignment MUX Address with A/DIN1 tied to MUXOUT1 and A/DIN2 tied to MUXOUT2 DI0 DI1 DI2 DI3 CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 COM A/DIN1 A/DIN2 MUXOUT1 MUXOUT2 L L ...
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... Format and Set-Up Tables TABLE 4. ADC12L032 and ADC12L030 Multiplexer Addressing Analog Channel Addressed and MUX Assignment with A/DIN1 tied to Address MUXOUT1 and A/DIN2 tied to MUXOUT2 DI0 DI1 CH0 CH1 − The ADC12L030 does not have A/DIN1, A/DIN2, MUXOUT1 and MUXOUT2 pins ...
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Format and Set-Up Tables TABLE 6. Conversion/Read Data Only Mode Programming Don’t Care Status Bit DB0 DB1 Location Status Bit PU PD Device Status “High” “High” “High” indicates a indicates a indicates Power ...
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Application Information 1.0 DIGITAL INTERFACE 1.1 Interface Concepts The example in Figure 7 shows a typical sequence of events after the power is applied to the ADC12L030/2/4/8: FIGURE 7. Typical Power Supply Power Up Sequence The first instruction input to ...
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... DI, during I/O sequence number 4 in Figure 8, to set CH1 as the positive input and CH0 as the negative input for the different versions of ADCs: DI Data Part Number DI0 DI1 DI2 DI3 DI4 DI5 DI6 DI7 ADC12L030 ADC12L032 ADC12L034 ADC12L038 L ...
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Application Information + the voltages on the V and V REF REF input voltage span (V ). The analog input voltage range is REF + Negative digital output codes result when − V ...
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Application Information 2.1 Biasing for Various Multiplexer Configurations Figure example of biasing the device for single- ended operation. The sign bit is always low. The digital output range is 0 0000 0000 0000 to 0 1111 1111 ...
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Application Information FIGURE 13. Pseudo-Differential Biasing with the Signal Source AC Coupled Directly into the ADC 3.0 REFERENCE VOLTAGE The difference in the voltages applied to the V − V defines the analog input span (the difference between REF the ...
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Application Information The reference voltage inputs are not fully differential. The ADC12L030/2/4/8 will not generate correct conversions or + comparisons taken below V REF REF + − sions result when V and V differ by 1V and ...
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Application Information 8.0 NOISE The leads to each of the analog multiplexer input pins should be kept as short as possible. This will minimize input noise and clock frequency coupling that can cause conversion errors. Input filtering can be used ...
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Application Information + + + Note and V on the ADC12L038 each have 0.01 µF and 0.1 µF chip caps, and 10 µF tantalum caps. All logic devices are bypassed with 0.1 µ REF ...
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Application Information www.national.com (Continued) 32 01183063 ...
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... Physical Dimensions inches (millimeters) unless otherwise noted Order Number ADC12L030CIWM NS Package Number M16B Order Number ADC12L032CIWM NS Package Number M20B 33 www.national.com ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted (Continued) Order Number ADC12L034CIWM NS Package Number M24B Order Number ADC12L038CIWM NS Package Number M28B 34 ...
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National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. For the most current product information ...