MP7614JN EXAR [Exar Corporation], MP7614JN Datasheet

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MP7614JN

Manufacturer Part Number
MP7614JN
Description
15 V CMOS Multiplying 14-Bit Digital-to-Analog Converter
Manufacturer
EXAR [Exar Corporation]
Datasheet

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MP7614JN
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FEATURES
GENERAL DESCRIPTION
tal-to-Analog Converter. Silicon nitride passivation and un-
trimmed silicon chromium resistors have been combined to pro-
vide long term stability and reliability. Using the most significant
bit (MSB) segmentation technique, the MP7614 features 13-bit
(0.012%) differential and 12-bit (0.01%) integral linearity.
tally decodes the four MSB’s into 15 equal current sources,
SIMPLIFIED BLOCK DIAGRAM
Full Four-Quadrant Multiplication
Excellent Stability Over Temperature and Time
Guaranteed Monotonic
TTL/5 V CMOS Compatible
The MP7614 is a high density 14-bit CMOS multiplying Digi-
To achieve 13-bit linearity without laser trim, the MP7614 digi-
Rev. 2.00
V
REF
(MSB)
V
DD
R
1
4 to 15 Decoder
R
To Switches
R
R
4
R
R
R
R
5
R
1
R
rather than the standard binary-weighted sources. Each resis-
tor contributes only 1/16 full scale output thus reducing the
matching accuracy requirement of the resistor and CMOS
switches from 0.0015% to 0.006%.
in differential linearity stability over temperature, an eightfold im-
provement in relative accuracy due to aging effects (long term
stability), a fourfold improvement in glitch amplitude, and a ten-
fold reduction in sensitivity to output amplifier offset voltage.
To 10-Bit DAC
The decoding technique achieves an eightfold improvement
R
Low Sensitivity to Output Amplifier V
Low Glitch Energy
16-Bit Version: MP7616
R
R
Digital-to-Analog Converter
R
(LSB)
14
R
10-Bit
DAC
GND
Multiplying 14-Bit
MP7614
15 V CMOS
I
I
R
OUT2
OUT1
FB
OS

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MP7614JN Summary of contents

Page 1

FEATURES Full Four-Quadrant Multiplication Excellent Stability Over Temperature and Time Guaranteed Monotonic TTL/5 V CMOS Compatible GENERAL DESCRIPTION The MP7614 is a high density 14-bit CMOS multiplying Digi- tal-to-Analog Converter. Silicon nitride passivation and un- trimmed silicon chromium resistors have ...

Page 2

... Data Input Bit 2 6 BIT 3 Data Input Bit 3 7 BIT 4 Data Input Bit 4 8 BIT 5 Data Input Bit 5 9 BIT 6 Data Input Bit 6 10 BIT 7 Data Input Bit 7 Rev. 2.00 INL Part No. (LSB) MP7614JN +4 MP7614KN +2 MP7614KS +2 MP7614KD +2 MP7614TD OUT1 V I REF OUT2 V GND ...

Page 3

ELECTRICAL CHARACTERISTICS ( +10 V unless otherwise noted) DD REF Parameter Symbol 1 STATIC PERFORMANCE Resolution (All Grades Integral Non-Linearity INL (Relative Accuracy Differential Non-Linearity DNL J, ...

Page 4

MP7614 ELECTRICAL CHARACTERISTICS (CONT’D) NOTES: 1 Full Scale Range (FSR) is 10V for unipolar mode. 2 Guaranteed but not production tested. 3 Digital input levels should not go below ground or exceed the positive supply voltage, otherwise damage may occur. ...

Page 5

LEAD CERAMIC DUAL-IN-LINE S 1 See 20 Note Base Plane Seating L Plane b INCHES MILLIMETERS SYMBOL MIN MAX MIN A –– 0.200 –– b 0.014 0.023 0.356 b 0.038 0.065 0.965 1 c 0.008 0.015 ...

Page 6

MP7614 20 LEAD PLASTIC DUAL-IN-LINE Seating Plane L B SYMBOL ( Note: (1) The minimum limit for dimensions B1 ...

Page 7

LEAD SMALL OUTLINE D 20 Seating Plane e SYMBOL Rev. 2.00 (300 MIL JEDEC SOIC) S20 INCHES ...

Page 8

MP7614 EXAR Corporation reserves the right to make changes to the products contained in this publication in order to im- prove design, performance or reliability. EXAR Corporation assumes no responsibility for the use of any circuits de- scribed herein, conveys ...

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