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参数资料
| 型号： | ADC0804 |
| 厂商： | Intersil, Corp. |
| 元件分类： | 串行ADC |
| 英文描述： | 8-Bit, Microprocessor-Compatible A/D Converters |
| 中文描述： | 8位微处理器兼容的A/D转换器 |
| 文件页数： | 1/16页 |
| 文件大小： | 250K |
| 代理商： | ADC0804 |
6-5
Features
80C48 and 80C80/85 Bus Compatible - No Interfacing
Logic Required
Conversion Time < 100
μ
s
Easy Interface to Most Microprocessors
Will Operate in a “Stand Alone” Mode
Differential Analog Voltage Inputs
Works with Bandgap Voltage References
TTL Compatible Inputs and Outputs
On-Chip Clock Generator
0V to 5V Analog Voltage Input Range (Single + 5V Supply)
No Zero-Adjust Required
Description
The ADC0802 family are CMOS 8-Bit, successive-approxi-
mation A/D converters which use a modified potentiometric
ladder and are designed to operate with the 8080A control
bus via three-state outputs. These converters appear to the
processor as memory locations or I/O ports, and hence no
interfacing logic is required.
The differential analog voltage input has good common-
mode-rejection and permits offsetting the analog zero-input-
voltage value. In addition, the voltage reference input can be
adjusted to allow encoding any smaller analog voltage span
to the full 8 bits of resolution.
Ordering Information
PART NUMBER
ERROR
EXTERNAL CONDITIONS
TEMP. RANGE (
o
C)
PACKAGE
PKG. NO
ADC0802LCN
±
1
/
2
LSB
±
3
/
4
LSB
V
REF
/2 = 2.500V
DC
(No Adjustments)
0 to 70
20 Ld PDIP
E20.3
ADC0802LCD
-40 to 85
20 Ld CERDIP
F20.3
ADC0802LD
±
1 LSB
-55 to 125
20 Ld CERDIP
F20.3
ADC0803LCN
±
1
/
2
LSB
±
3
/
4
LSB
V
REF
/2 Adjusted for Correct Full Scale
Reading
0 to 70
20 Ld PDIP
E20.3
ADC0803LCD
-40 to 85
20 Ld CERDIP
F20.3
ADC0803LCWM
±
1 LSB
-40 to 85
20 Ld SOIC
M20.3
ADC0803LD
±
1 LSB
-55 to 125
20 Ld CERDIP
F20.3
ADC0804LCN
±
1 LSB
V
REF
/2 = 2.500V
DC
(No Adjustments)
0 to 70
20 Ld PDIP
E20.3
ADC0804LCD
±
1 LSB
-40 to 85
20 Ld CERDIP
F20.3
ADC0804LCWM
±
1 LSB
-40 to 85
20 Ld SOIC
M20.3
Pinout
ADC0802, ADC0803, ADC0804
(PDIP, CERDIP)
TOP VIEW
Typical Application Schematic
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
WR
RD
CS
CLK IN
INTR
V
IN
(-)
V
IN
(+)
DGND
V
REF
/2
AGND
V+ OR V
REF
CLK R
DB
0 (LSB)
DB
1
DB
2
DB
3
DB
4
DB
5
DB
6
DB
7 (MSB)
3
5
2
1
12
13
11
15
16
14
18
17
7
8
6
10
9
4
19
20
WR
INTR
RD
CS
DB
6
DB
5
DB
7
DB
3
DB
2
DB
4
DB
0
DB
1
CLK IN
CLK R
V+
V
IN
(-)
AGND
V
IN
(+)
DGND
V
REF
/2
ANY
μ
PROCESSOR
8-BIT RESOLUTION
OVER ANY
DESIRED
ANALOG INPUT
VOLTAGE RANGE
DIFF
INPUTS
10K
150pF
V
REF
/2
μ
P
+5V
August 1997
ADC0802, ADC0803
ADC0804
8-Bit, Microprocessor-
Compatible, A/D Converters
File Number
3094.1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright Intersil Corporation 1999
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相关代理商/技术参数 |
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|---|---|
| ADC0804/D DIE | 制造商:Harris Corporation 功能描述: |
| ADC0804-1CD | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:CMOS 8-bit A/D converters |
| ADC0804-1CN | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:CMOS 8-bit A/D converters |
| ADC0804-1LCD | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:CMOS 8-bit A/D converters |
| ADC0804-1LCN | 制造商:NXP Semiconductors 功能描述:Analog Digital Converter, Single, 8 Bit, 20 Pin, DIP |
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