AD7541KN Intersil Corporation, AD7541KN Datasheet

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AD7541KN

Manufacturer Part Number
AD7541KN
Description
Manufacturer
Intersil Corporation
Datasheet

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August 1997
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
Features
• 12-Bit Linearity 0.01%
• Pretrimmed Gain
• Low Gain and Linearity Tempcos
• Full Temperature Range Operation
• Full Input Static Protection
• TTL/CMOS Compatible
• +5V to +15V Supply Range
• 20mW Low Power Dissipation
• Current Settling Time 1 s to 0.01% of FSR
• Four Quadrant Multiplication
Ordering Information
Pinout
AD7541JN
AD7541KN
AD7541LN
BIT 1 (MSB)
PART NUMBER
I
I
BIT 2
BIT 3
BIT 4
BIT 5
BIT 6
OUT1
OUT2
GND
1
2
3
4
5
6
7
8
9
TOP VIEW
AD7541
(PDIP)
|
Copyright
18
17
16
15
14
13
12
11
10
0.01% (12-Bit) Guaranteed
R
V
V+
BIT 12 (LSB)
BIT 11
BIT 10
BIT 9
BIT 8
BIT 7
REF IN
FEEDBACK
NONLINEARITY
0.02% (11-Bit)
0.01% (12-Bit)
©
Monotonic
Intersil Corporation 1999
Functional Block Diagram
NOTE: Switches shown for digital inputs “High”.
SWITCHES
V
REF IN
(17)
NMOS
SPDT
10-9
TEMP. RANGE (
20k
Description
The AD7541 is a monolithic, low cost, high performance,
12-bit accurate, multiplying digital-to-analog converter
(DAC).
Intersil’ wafer level laser-trimmed thin-film resistors on
CMOS circuitry provide true 12-bit linearity with TTL/CMOS
compatible operation.
Special tabbed-resistor geometries (improving time stability),
full input protection from damage due to static discharge by
diode clamps to V+ and ground, large I
lines (improving superposition errors) are some of the fea-
tures offered by Intersil AD7541.
Pin compatible with AD7521, this DAC provides accurate
four quadrant multiplication over the full military temperature
range.
MSB
(4)
0 to 70
0 to 70
0 to 70
10k
20k
12-Bit, Multiplying D/A Converter
BIT 2
(5)
o
C)
10k
20k
18 Ld PDIP
18 Ld PDIP
18 Ld PDIP
BIT 3
(6)
10k
PACKAGE
AD7541
20k
10k
20k
OUT1
File Number
E18.3
E18.3
E18.3
10k
and I
PKG. NO.
20k
(3)
I
I
R
(18)
OUT2
OUT1
FEEDBACK
OUT2
3107.1
(2)
(1)
bus

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AD7541KN Summary of contents

Page 1

... Full Input Static Protection • TTL/CMOS Compatible • +5V to +15V Supply Range • 20mW Low Power Dissipation • Current Settling Time 0.01% of FSR • Four Quadrant Multiplication Ordering Information PART NUMBER AD7541JN AD7541KN AD7541LN 0.01% (12-Bit) Guaranteed Pinout AD7541 (PDIP) TOP VIEW 1 18 ...

Page 2

Absolute Maximum Ratings Supply Voltage (V+ to GND +17V ...

Page 3

Electrical Specifications V+ = +15V, V PARAMETER Input Current (Note 6) IN Input Coding See Tables 1 and 2 (Note 6) Input Capacitance (Note 6) POWER SUPPLY CHARACTERISTICS Power Supply Voltage Range Accuracy Is Not ...

Page 4

TTL/CMOS 2 5 INPUT FIGURE 1. CMOS SWITCH Typical Applications General Recommendations Static performance of the AD7541 depends (pin 1 and pin 2) potentials being exactly equal to OUT2 GND (pin 3). The ...

Page 5

A “Logic 1” input at any digital input forces the corresponding ladder switch to steer the bit current to I 0” input forces the bit current to I OUT2 I and I bus currents are complements of one OUT1 OUT2 ...

Page 6

Test Circuits V REF BIT 1 (MSB) 12-BIT BINARY COUNTER CLOCK +10V V REF BIT 1 (MSB) BIT 12 (LSB) FIGURE 5. POWER SUPPLY REJECTION TEST CIRCUIT +11V (ADJUST FOR AD7541 +15V FEEDBACK ...

Page 7

Test Circuits (Continued) +15V NC +15V BIT 1 (MSB AD7541 SCOPE BIT 12 (LSB) FIGURE 7. OUTPUT CAPACITANCE TEST CIRCUIT +10V +5V 0V DIGITAL INPUT FIGURE 9. OUTPUT CURRENT SETTLING TIME ...

Page 8

... All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification. Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...

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