adc0804-mdc National Semiconductor Corporation, adc0804-mdc Datasheet - Page 5
adc0804-mdc
Manufacturer Part Number
adc0804-mdc
Description
8-bit Up Compatible A/d Converters
Manufacturer
National Semiconductor Corporation
Datasheet
1.ADC0804-MDC.pdf
(41 pages)
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AC Electrical Characteristics
Note 7: The CS input is assumed to bracket the WR strobe input and therefore timing is dependent on the WR pulse width. An arbitrarily wide pulse width will hold
the converter in a reset mode and the start of conversion is initiated by the low to high transition of the WR pulse (see timing diagrams).
Note 8: None of these A/Ds requires a zero adjust (see section 2.5.1). To obtain zero code at other analog input voltages see section 2.5 and Figure 7 .
Note 9: The V
ADC0805, and in the ADC0804LCJ, each resistor is typically 16 k . In all versions of the ADC0804 except the ADC0804LCJ, each resistor is typically 2.2 k .
Note 10: Human body model, 100 pF discharged through a 1.5 k
Typical Performance Characteristics
Logic Input Threshold Voltage
vs. Supply Voltage
f
Output Current vs
Temperature
CLK
vs. Clock Capacitor
REF
/2 pin is the center point of a two-resistor divider connected from V
DS005671-44
DS005671-38
DS005671-41
Delay From Falling Edge of
RD to Output Data Valid
vs. Load Capacitance
Full-Scale Error vs
Conversion Time
Power Supply Current
vs Temperature (Note 9)
(Continued)
resistor.
5
CC
to ground. In all versions of the ADC0801, ADC0802, ADC0803, and
DS005671-39
DS005671-42
DS005671-45
CLK IN Schmitt Trip Levels
vs. Supply Voltage
Effect of Unadjusted Offset Error
vs. V
Linearity Error at Low
V
REF
/2 Voltages
REF
/2 Voltage
www.national.com
DS005671-40
DS005671-46
DS005671-43
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