adc1175mw-mls National Semiconductor Corporation, adc1175mw-mls Datasheet
adc1175mw-mls
Related parts for adc1175mw-mls
adc1175mw-mls Summary of contents
Page 1
... ADC1175's reference ladder is available for connections, en- abling a wide range of input possibilities. The ADC1175 is offered in a TSSOP designed to operate over the commercial temperature range of -20°C to +75°C. Pin Configuration © 2007 National Semiconductor Corporation Features ■ Internal Sample-and-Hold Function ■ ...
Page 2
Ordering Information Order Code ADC1175CIJM * ADC1175CIJMX * ADC1175CIMTC ADC1175CIMTCX ADC1175EVAL * * Discontinured in the SOIC (EIAJ) package. The Evaluation Board is also discontinued. Shown for reference only. Block Diagram www.national.com Temperature Description −20°C to +75°C SOIC (EIAJ) −20°C ...
Page 3
Pin Descriptions and Equivalent Circuits Pin Symbol No RTS RBS CLK Equivalent Circuit Analog signal input. Conversion range is V Reference Top Bias with ...
Page 4
Pin Symbol No. 3 thru 10 D0- 14 www.national.com Equivalent Circuit Conversion data digital Output pins the LSB ...
Page 5
Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications Voltage on Any Pin CLK, OE Voltage Digital Output ...
Page 6
Symbol Parameter V Reference Top Self Bias Voltage RT Reference Bottom Self Bias V RB Voltage V - RTS Self Bias Voltage Delta V RBS Reference Voltage Delta RT RB Power Supply Characteristics IA Analog Supply Current ...
Page 7
Symbol Parameter SINAD Signal-to- Noise & Distortion SNR Signal-to- Noise Ratio SFDR Spurious Free Dynamic Range THD Total Harmonic Distortion Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for ...
Page 8
Typical Performance Characteristics INL vs. Temp at f SNR vs. Temp at f THD vs. Temp www.national.com CLK 10009220 CLK 10009222 10009223 8 DNL vs. Temp at f CLK 10009221 SNR vs. Temp at f CLK 10009233 THD vs. Temp ...
Page 9
SINAD/ENOB vs. Temp SINAD and ENOB vs. Clock Duty Cycle SFDR vs. Temp and f IN 10009230 SINAD/ENOB vs. Temp 10009224 SFDR vs. Temp and f 10009225 Differential Gain vs. Temperature 9 10009231 IN 10009229 10009226 www.national.com ...
Page 10
Differential Phase vs. Temperature Specification Definitions ANALOG INPUT BANDWIDTH is a measure of the frequen which the reconstructed output fundamental drops 3 dB below its low frequency value for a full scale input. The test is performed with ...
Page 11
Timing Diagram FIGURE 1. ADC1175 Timing Diagram 10009212 FIGURE Test Circuit EN DIS 11 10009211 www.national.com ...
Page 12
Functional Description The ADC1175 uses a new, unique architecture to achieve 7.2 effective bits at and maintains superior dynamic performance up to ½ the clock frequency. The analog signal at V that is within the voltage range set IN by ...
Page 13
FIGURE 3. Simple, Low Component Count, Self -Bias Reference application. Because of resistor tolerances, the reference voltages can vary by as much as 6%. Choose an amplifier that can drive a dynamic capacitance (see text). FIGURE 4. Better defining the ...
Page 14
FIGURE 5. Driving the reference to force desired values requires driving with a low impedance source, provided by the transistors. Note that pins 16 and 22 are not connected. 3.0 POWER SUPPLY CONSIDERATIONS Many A/D converters draw sufficient transient current ...
Page 15
This latter requirement requires the careful separation and place- ment of power planes. The use of power traces rather than one or more power planes is not recommended as higher fre- ...
Page 16
SNR performance. Simple gates with RC timing is generally inadequate as a clock source. Input test signal contains harmonic distortion that inter- feres with the measurement of dynamic ...
Page 17
Physical Dimensions inches (millimeters) unless otherwise noted 24-Lead Package JM Ordering Number ADC1175CIJM NS Package Number M24D 24-Lead Package TC Ordering Number ADC1175CIMTC NS Package Number MTC24 17 www.national.com ...
Page 18
... National Semiconductor and the National Semiconductor logo are registered trademarks of National Semiconductor Corporation. All other brand or product names may be trademarks or registered trademarks of their respective holders. ...