MP7529BKN Exar Corporation, MP7529BKN Datasheet

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MP7529BKN

Manufacturer Part Number
MP7529BKN
Description
5 V CMOS Dual Buffered Multiplying 8-Bit Digital-to-Analog Converter
Manufacturer
Exar Corporation
Datasheet

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MP7529BKN
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DAC A/DAC B
FEATURES
GENERAL DESCRIPTION
featuring excellent DAC to DAC matching, tracking and
specifically optimized for applications requiring low total
harmonic distortion. The MP7529B is manufactured using
advanced thin film resistors on a double metal CMOS process.
The MP7529B incorporates a unique bit decoding technique
yielding lower glitch energy, higher speed and excellent
accuracy over temperature and time.
SIMPLIFIED BLOCK AND TIMING DIAGRAM
Very Low Total Harmonic Distortion
Low Glitch Energy
Fast Settling Time
Four Quadrant Multiplication
On-Chip Latches for Both DACs
4.5 V to 5.5 V Operation
Low Power Consumption
TTL/5V CMOS Compatible
Latch-Up Free
15 V Operation: MP7529A
The MP7529B is a dual 8-bit Digital-to-Analog Converter
DB7-DB0
Rev. 2.00
WR
CS
V
DD
DGND
D
E
D
E
LATCH A
LATCH B
Q
Q
V
V
REFA
REFB
DAC A
DAC B
1
BENEFITS
via a common 8-bit TTL/5 V CMOS compatible input port. The
control input DAC A/DAC B determines which D/A is to be
loaded.
is TTL-compatible over this range. Power dissipation is only 10
mW. Both DACs offer excellent four quadrant multiplication
characteristics, and include separate reference inputs and
feedback resistors.
eliminates the need for external protective Schottky diodes in
most applications.
Quiet Operation in Audio Applications
Easy Interface to Microprocessors
Data is transferred to either of the two D/A Converter latches
The device operates from a 4.5 V to 5.5 V power supply, and
R
R
AGND
I
I
OUTB
OUTA
FBA
FBB
Dual Buffered Multiplying 8-Bit
Digital-to-Analog Converter
DAC A/DAC B
An improved latch-up resistant design
DB7-DB0
OUT
WR
CS
MP7529B
5 V CMOS

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MP7529BKN Summary of contents

Page 1

FEATURES Very Low Total Harmonic Distortion Low Glitch Energy Fast Settling Time Four Quadrant Multiplication On-Chip Latches for Both DACs 4 5.5 V Operation Low Power Consumption TTL/5V CMOS Compatible Latch-Up Free 15 V Operation: MP7529A GENERAL DESCRIPTION ...

Page 2

... DAC selection control DACB 7 DB7 Data Input Bit 7 (MSB) 8 DB6 Data Input Bit 6 9 DB5 Data Input Bit 5 10 DB4 Data Input Bit 4 Rev. 2.00 INL Part No. (LSB) MP7529BJN +1 MP7529BKN +1/2 MP7529BJS +1 MP7529BKS +1/2 MP7529BJP +1 MP7529BKP +1 DAC A/DAC B See Pin Out ...

Page 3

ELECTRICAL CHARACTERISTICS ( 5.5 V, Nominal Parameter Symbol 1 STATIC PERFORMANCE Resolution (All Grades) N Integral Non-Linearity INL (Relative Accuracy Differential Non-Linearity DNL J K Gain Error ...

Page 4

MP7529B ELECTRICAL CHARACTERISTICS (CONT’D) Parameter Symbol 2 ANALOG OUTPUTS Output Capacitance C OUTA/B C OUTA/B POWER SUPPLY Supply Current TIMING SPECIFICATIONS Chip Select to Write Set-Up Time t CS Chip Select to Write Hold Time t CH ...

Page 5

DIGITAL INTERFACE The digital inputs are designed to be both TTL and 5 V CMOS compatible. All logic inputs are static protected MOS gates with typical input currents of less than 10nA. The control input DAC A/DAC B selects which ...

Page 6

MP7529B PERFORMANCE CHARACTERISTICS Graph 1. Relative Accuracy vs. Digital Code APPLICATION NOTES Refer to Section 8 for Applications Information Rev. 2.00 6 ...

Page 7

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

Page 8

MP7529B 20 LEAD PLASTIC LEADED CHIP CARRIER SYMBOL Note: Rev. 2.00 (PLCC) P20 INCHES MILLIMETERS MIN MAX MIN 0.165 0.180 4.19 ...

Page 9

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

Page 10

MP7529B Rev. 2.00 Notes 10 ...

Page 11

Rev. 2.00 Notes 11 MP7529B ...

Page 12

... While the information in this publication has been carefully checked; no responsibility, however, is assumed for inaccuracies. EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless EXAR Corporation receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized ...

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