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ADC0803CD bảng dữ liệu(PDF) 2 Page - NXP Semiconductors

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Philips Semiconductors
Product data
ADC0803/0804
CMOS 8-bit A/D converters
2
2002 Oct 17
DESCRIPTION
The ADC0803 family is a series of three CMOS 8-bit successive
approximation A/D converters using a resistive ladder and
capacitive array together with an auto-zero comparator. These
converters are designed to operate with microprocessor-controlled
buses using a minimum of external circuitry. The 3-State output data
lines can be connected directly to the data bus.
The differential analog voltage input allows for increased
common-mode rejection and provides a means to adjust the
zero-scale offset. Additionally, the voltage reference input provides a
means of encoding small analog voltages to the full 8 bits of
resolution.
FEATURES
Compatible with most microprocessors
Differential inputs
3-State outputs
Logic levels TTL and MOS compatible
Can be used with internal or external clock
Analog input range 0 V to V
CC
Single 5 V supply
Guaranteed specification with 1 MHz clock
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
19
18
17
16
15
D, N PACKAGES
CS
RD
WR
INTR
CLK IN
VIN(+)
VIN(–)
A GND
VREF/2
D GND
VCC
CLK R
D0
D1
D2
D3
D4
D5
D6
D7
TOP VIEW
SL00016
Figure 1. Pin configuration
APPLICATIONS
Transducer-to-microprocessor interface
Digital thermometer
Digitally-controlled thermostat
Microprocessor-based monitoring and control systems
ORDERING INFORMATION
DESCRIPTION
TEMPERATURE
RANGE
ORDER CODE
TOPSIDE MARKING
DWG #
20-pin plastic small outline (SO) package
0 to 70
°C
ADC0803CD, ADC0804CD
ADC0803-1CD, ADC0804-1CD
SOT163-1
20-pin plastic small outline (SO) package
–40 to 85
°C
ADC0803LCD, ADC0804LCD
ADC0803-1LCD, ADC0804-1LCD
SOT163-1
20-pin plastic dual in-line package (DIP)
0 to 70
°C
ADC0803CN, ADC0804CN
ADC0803-1CN, ADC0804-1CN
SOT146-1
20-pin plastic dual in-line package (DIP)
–40 to +85
°C
ADC0803LCN, ADC0804LCN
ADC0803-1LCN, ADC0804-1LCN
SOT146-1
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
VCC
Supply voltage
6.5
V
Logic control input voltages
–0.3 to +16
V
All other input voltages
–0.3 to (VCC +0.3)
V
Tamb
Operating temperature range
ADC0803LCD/ADC0804LCD
–40 to +85
°C
ADC0803LCN/ADC0804LCN
–40 to +85
°C
ADC0803CD/ADC0804CD
0 to +70
°C
ADC0803CN/ADC0804CN
0 to +70
°C
Tstg
Storage temperature
–65 to +150
°C
Tsld
Lead soldering temperature (10 seconds)
230
°C
PD
Maximum power dissipation1
Tamb = 25 °C (still air)
N package
1690
mW
D package
1390
mW
NOTE:
1. Derate above 25
°C, at the following rates: N package at 13.5 mW/°C; D package at 11.1 mW/°C.


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