参数资料
型号: ADC0805LCN
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: ADC
英文描述: 8-Bit uP Compatible A/D Converters
中文描述: 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDIP20
封装: PLASTIC, DIP-20
文件页数: 5/41页
文件大小: 1118K
代理商: ADC0805LCN
AC Electrical Characteristics
(Continued)
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
/2 pin is the center point of a two-resistor divider connected from V
to ground. In all versions of the ADC0801, ADC0802, ADC0803, and
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
resistor.
Typical Performance Characteristics
Logic Input Threshold Voltage
vs. Supply Voltage
DS005671-38
Delay From Falling Edge of
RD to Output Data Valid
vs. Load Capacitance
DS005671-39
CLK IN Schmitt Trip Levels
vs. Supply Voltage
DS005671-40
f
CLK
vs. Clock Capacitor
DS005671-41
Full-Scale Error vs
Conversion Time
DS005671-42
Effect of Unadjusted Offset Error
vs. V
REF
/2 Voltage
DS005671-43
Output Current vs
Temperature
DS005671-44
Power Supply Current
vs Temperature
(Note 9)
DS005671-45
Linearity Error at Low
V
REF
/2 Voltages
DS005671-46
A
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相关PDF资料
PDF描述
ADC0801 8-Bit uP Compatible A/D Converters
ADC0802 8-Bit uP Compatible A/D Converters
ADC0802LCN 8-Bit uP Compatible A/D Converters
ADC0805 8-Bit uP Compatible A/D Converters
ADC0802LCWM 8-Bit uP Compatible A/D Converters
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