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參數資料
| 型號： | S9418 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 數字電位計 |
| 英文描述： | Quad 8-Bit Nonvolatile DACPOT⑩ Electronic Potentiometer With a Mute Control Input |
| 中文描述： | 四8位非易失DACPOT⑩電子電位隨著靜音控制輸入 |
| 文件頁數： | 1/10頁 |
| 文件大?。?/td> | 50K |
| 代理商： | S9418 |
SUMMIT MICROELECTRONICS, Inc. 300 Orchard City Drive, Suite 131 Campbell, CA 95008 Telephone 408-378-6461 Fax 408-378-6586 www.summitmicro.com
1
SUMMIT MICROELECTRONICS, Inc. 1999
2023 1.5 4/24/99
Characteristics subject to change without notice
S UMMIT
MICROELECTRONICS, Inc.
Quad 8-Bit Nonvolatile DACPOT Electronic Potentiometer
With a Mute Control Input
FEATURES
Four 8-Bit DACS
— Differential Non-linearity -
±
0.5LSB max
— Integral Non-Linearity Error -
±
1LSB max
Each DAC has Independent Reference Inputs
— Output Buffer Amplifiers Swing Rail-to-Rail
— Ground to V
DD
Reference Input Range
Each DAC’s Digital Inputs Maintained in
EEPROM
Power-On Reset Reloads Registers with
Nonvolatile Data
Simple Serial Interface for Reading and Writing
DAC values, SPI and QSPI compatible.
Fully operational from 2.7V to 5.5V
Low Power, 4mW max at +5V
S9418
OVERVIEW
The S9418 DACPOT is a serial input, voltage output,
quad 8-bit digital to analog converter. The S9418 oper-
ates from a single +2.7V to +5.5V supply. Internal preci-
sion buffers swing rail-to-rail and the reference input
range includes both ground and the positive supply.
The S9418 integrates four 8-bit DACs and their associ-
ated circuits which include; an enhanced unity gain opera-
tional amplifier output, an 8-bit data latch, an 8-bit non-
volatile register and an industry standard serial interface
for reading and writing data to the DACs’ data latches and
registers. The DACs are independently programmable
and each has its own electrically isolated Vreference
inputs.
FUNCTIONAL BLOCK DIAGRAM
DO
DAC Section 0
DAC Section 1
DAC Section 2
DAC Section 3
8-bit DAC
AMP
2023 ILL2 1.2
Programming
Memory
Controller
8-bit E2PROM
8-bit Data Register
Control
Logic
CS
DI
RDY/BSY
CLK
MUTE
VDD
GND
VREFH0
VOUT0
VREFL0
VREFH1
VOUT1
VREFL1
VREFH2
VOUT2
VREFL2
VREFH3
VOUT3
VREFL3
Memory Control
Serial Data In
Serial Data Out
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