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PDF S9518 Data sheet ( Hoja de datos )
| Número de pieza | S9518 | |
| Descripción | Nonvolatile DACPOT Electronic Potentiometer With Debounced Push Button Interface | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de S9518 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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SUMMIT
MICROELECTRONICS, Inc.
Nonvolatile DACPOT™ Electronic Potentiometer
With Debounced Push Button Interface
S9518
FEATURES
Digitally Controlled Electronic Potentiometer
• 8-Bit Digital-to-Analog Converter (DAC)
– Independent Reference Inputs
– Differential Non-Linearity - ±0.5LSB max
– Integral Non-Linearity - ±1LSB max
• VOUT Value in EEPROM for Power-On Recall
– Equivalent to 256-Step Potentiometer
• Unity Gain Op Amp Drives up to 1mA
• Simple Trimming Adjustment
– Debounced Push Button Interface
• Low Noise Operation
• “Clickless” Transitions between DAC Steps
• No Mechanical Wearout Problem
– 1,000,000 Stores (typical)
– 100 Year Data Retention
• Operation from +2.7V to +5.5V Supply
• Low Power, 1mW max at +5V
OVERVIEW
The S9518 DACPOT trimmer is an 8-bit nonvolatile DAC
designed to replace mechanical potentiometers. The
S9518 includes a unity-gain amplifier to buffer the DAC
output and enables VOUT to swing from rail to rail. The
DACPOT trimmer operates over a supply voltage range of
2.7V to 5.5V.
The S9518’s simple push button input provides an ideal
interface for operator adjusted equipment. This interface
allows for quick and easy adjustment of even the most
sophisticated systems.
The S9518 is a pin-compatible performance upgrade for
other industry nonvolatile potentiometers. The S9518
offers double the resolution of these devices and provides
‘clickless’ transitions of VOUT.
FUNCTIONAL BLOCK DIAGRAM
Debounce Circuit
& Write Control
Logic
UP DWN STR
VDD
8-bit DAC
GND
VH
VOUT
VL
2017 ILL2.2
SUMMIT MICROELECTRONICS, Inc. • 300 Orchard City Drive, Suite 131 • Campbell, CA 95008 • Telephone 408-378-6461 • Fax 408-378-6586 • www.summitmicro.com
© SUMMIT MICROELECTRONICS, Inc. 1999
2017-04 4/24/99
Characteristics subject to change without notice
1
1 page  
S9518
DAC DC ELECTRICAL CHARACTERISTICS
VDD = +2.7V to +5.5V, VrefH = VDD, VrefL = 0V, TA = -40°C to +85°C, unless specified otherwise
Symbol Parameter
Conditions
Min.
Typ.
Max. Units
Accuracy INL
Integral Non-Linearity
ILOAD = 100µA,
- 0.5 ±1 LSB
DNL
Differential Non-Linearity ILOAD = 100µA,
Guaranteed but not tested
-
0.1 ±0.5 LSB
References VH
VrefH Input Voltage
VrefL
-
VDD
V
VL VrefL Input Voltage
Gnd
-
VrefH
V
RIN VrefH to VrefL Resistance
- 38k - Ω
TCRIN
Temperature Coefficient
of RIN
VrefH to VrefL
- 600 - ppm/°C
Analog
GEFS
Full-Scale Gain Error
DATA = FF
±1 LSB
Output
VOUTZS Zero-Scale Output Voltage DATA = 00
0 20 mV
TCVOUT VOUT Temperature
Coefficient
VDD = +5, ILOAD = 50µA,
VrefH = +5V, VrefL = 0V
Guaranteed but not tested
-
- 50 µV/°C
IL Amplifier Output Load Current
-200
+1000 µA
ROUT
Amplifier Output Resistance ILOAD = 100µA VDD = +5V
VDD = +3V
-
-
10
20
Ω
Ω
PSRR Power Supply Rejection ILOAD = 10µA
- - 1 LSB/V
eN
Amplifier Output Noise
f = 1kHz, VDD = +5V
- 90 - nV/ HZ
THD
Total Harmonic Distortion VIN = 1V rms, f = 1kHz
- 0.08 - %
BW Bandwidth - 3dB
VIN = 100mV rms
- 300 - kHz
2017 PGM T3.4
RELIABILITY CHARACTERISTICS
Symbol Parameter
VZAP
ILTH
TDR
NEND
ESD Susceptibility
Latch-Up
Data Retention
Endurance
Min
2000
100
100
1,000,000
Max
Unit
V
mA
Years
Stores
Test Method
MS-883, TM 3015
JEDEC Standard 17
MS-883, TM 1008
MS-883, TM 1033
2017 PGM T4.0
2017-04 4/24/99
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet S9518.PDF ] | |
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