ald1801sc Advanced Linear Devices Inc (ALD), ald1801sc Datasheet

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ald1801sc

Manufacturer Part Number
ald1801sc
Description
8 Bit Micropower Multiplying D/a Converter
Manufacturer
Advanced Linear Devices Inc (ALD)
Datasheet
1.ALD1801SC.pdf (6 pages)
* Contact factory for industrial temperature range
ORDERING INFORMATION
BLOCK DIAGRAM
GENERAL DESCRIPTION
The ALD1801 is an 8-bit monolithic current output digital to analog
converter designed to provide low power, low operating voltage and simple
operation. It offers industry pin configuration of DAC-08 types, and is
intended for a wide range of digital to analog conversion and control
applications in +5V single power supply and
systems, as well as +3V to +12V battery operated systems.
characteristics are specified for +5V single supply and 3.3V dual supply
systems.
The ALD1801 is manufactured with Advanced Linear Devices’ enhanced
ACMOS silicon gate CMOS process and has been designed to be also
used as a linear cell element in Advanced Linear Devices’ "Function-
Specific" ASIC, as it is fully compatible in design, operation, and manufacture
with all other linear elements in Advanced Linear Devices’ product family.
The ALD1801 is designed with matching between reference and full scale
currents. Digital inputs are standard CMOS logic inputs to provide ease
of interface. Output currents can be directly converted to a voltage output
by using a pair of resistors. When used with ALD’s rail-to-rail output
operational amplifiers such as the ALD1702, full scale output of 0 to +5V
can be easily achieved with single +5V power supply.
© 1998 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com
-55 C to +125 C
16-Pin
CERDIP
Package
ALD1801A DC
ALD1801B DC
ALD1801 DC
V
V
REF-
REF+
A
L
D
14
15
INEAR
DVANCED
EVICES,
Operating Temperature Range
I
13
V+
3
NC.
8 BIT MICROPOWER MULTIPLYING D/A CONVERTER
B
MSB
0 C to +70 C
16-Pin
Small Outline
Package(SOIC)
ALD1801A SC
ALD1801B SC
ALD1801 SC
5
1
I
B1
B
6
2
I
B2
B
7
3
0 C to +70 C
Plastic Dip
ALD1801A PC
ALD1801B PC
ALD1801 PC
16-Pin
Package
5V dual power supply
I
B3
B
8
4
I
B4
B
Device
9
5
I
B5
B
10
6
FEATURES
• Low voltage 3V to 12V operation
• Low power 1.8mW max @ 3.3V
• Single supply operation (5V or 3.3V)
• Direct CMOS logic interface
• Complementary current outputs
• Nonlinearity to 0.1% max over
• High input impedance
• Low full scale current
• High output impedance
PIN CONFIGURATION
MSB B
temperature range
I
B6
I OUT
I
* N/C Pin is connected internally. Do not connect externally.
OUT
N/C
B
B
B
B
V -
4
11
7
2
3
1
I
4
6
1
2
3
5
8
7
B7
DC, PC, SC PACKAGE
B
LSB
12
8
ALD1801A/ALD1801B
TOP VIEW
I
B8
4
2
IOUT
IOUT
11
16
15
14
13
12
10
ALD1801
9
N/C
B
B
B
B
V
V
V +
REF-
REF+
8
7
6
5
LSB

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ald1801sc Summary of contents

Page 1

A DVANCED L INEAR D I EVICES, NC. 8 BIT MICROPOWER MULTIPLYING D/A CONVERTER GENERAL DESCRIPTION The ALD1801 is an 8-bit monolithic current output digital to analog converter designed to provide low power, low operating voltage and simple operation. It ...

Page 2

OPERATING ELECTRICAL CHARACTERISTICS 2. Parameter Symbol Min Supply V 1.5 S Voltage Resolution Monotonicity Nonlinearity N L Settling Time t S Propagation t d Delay Full Scale T C Tempco ...

Page 3

OPERATING ELECTRICAL CHARACTERISTICS 1.65V Parameter Symbol Min Resolution Monotonicity Nonlinearity N L Settling Time t S Propagation t d Delay Full Scale T C Tempco Output V OC Compliance +1.5 ...

Page 4

REF B1 Zero Scale 0 LSB 0 Half Scale -LSB 0 Half Scale 1 Half Scale +LSB 1 Full Scale 1 50K 50K B1 Zero Scale 0 Half Scale 1 Full Scale 1 ALD1801A/ALD1801B ALD1801 DUAL SUPPLY 2.5V RATIOMETRIC ...

Page 5

APPLICATIONS NOTES: The ALD1801 bit multiplying D/A converter. It has been designed to operate with standard single or split power supplies 5V. Functionality extends down 1.5V power supply, making it ideal ...

Page 6

TYPICAL PERFORMANCE CHARACTERISTICS PROPAGATION DELAY AS A FUNCTION OF FULL SCALE OUTPUT CURRENT 1.9 1.7 1.5 1.3 1 OUTPUT CURRENT ( A) SUPPLY CURRENT AS A FUNCTION OF SUPPLY VOLTAGE FULL SCALE 800 ...

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