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參數(shù)資料
| 型號： | MP7636AKS |
| 廠商： | MICRO POWER SYSTEMS |
| 元件分類： | DAC |
| 英文描述： | 15 V CMOS Microprocessor Compatible Double-Buffered, Multiplying 16-Bit Digital-to-Analog Converter |
| 中文描述： | PARALLEL, 8 BITS INPUT LOADING, 2 us SETTLING TIME, 16-BIT DAC, PDSO20 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 84K |
| 代理商： | MP7636AKS |
MP7636A
1
Rev. 2.00
FEATURES
Four Quadrant Multiplication
16-Bit Monotonicity
Lower Data Bus Feedthrough @ CS = 1
Low Feedthrough Error
Low Power Consumption
TTL/5 V CMOS Compatible
Double Buffered
Decoded DAC Approach
Latch-Up Free
15 V CMOS Microprocessor Compatible
Double-Buffered, Multiplying 16-Bit
Digital-to-Analog Converter
BENEFITS
High Accuracy Performance at Low Cost
Easy Interface with 8-Bit Microprocessors
Simple Upgrade of MP1230A Family to High
Accuracy (Pin Compatible)
Reduced Board Space
16-Bit Bus Version: MP7626
GENERAL DESCRIPTION
The MP7636A is manufactured using advanced thin film
resistors on a double metal CMOS process. The MP7636A
incorporates a unique bit decoding technique yielding lower
glitch, higher speed and excellent accuracy over temperature
and time. 16-bit differential non-linearity is achieved with
minimal laser trim.
The MP7636A is packaged in a 20-pin 300 mil wide DIP and is
a direct 16-bit replacement for the 12-bit DAC1230 series. Full
pin-for-pin compatibility allows existing systems to be upgraded
to 16 bits without hardware modification.
The MP7636A provides 16-bit data loading through 8 input
data lines for direct interface to 8-bit data buses. All data loading
and data transfer operations are identical to the WRITE cycle of
a static RAM.
The MP7636A uses a unique circuit which significantly
reduces transients in the supplies during DATA bus transitions
at CS = 1.
SIMPLIFIED BLOCK DIAGRAM
DGND
AGND
DB15 (MSB)
DB14
DB13
DB12
DB11
DB10
DB9
DB8 (DB0, LSB)
(DB7)
(DB6)
(DB5)
(DB4)
(DB3)
(DB2)
(DB1)
BYTE1/BYTE2
CS
WR1
XFER
WR2
8-Bit
Input
Latch
16-Bit
Register
16-Bit
MDAC
LE
LE
When LE = 1 latch outputs follow inputs
When LE = 0 Latch outputs are latched
R
FB
I
OUT1
I
OUT2
V
DD
V
REF
8-Bit
Input
Latch
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