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PDF NE5019D Data sheet ( Hoja de datos )
| Número de pieza | NE5019D | |
| Descripción | 8-Bit mp-compatible D/A converter | |
| Fabricantes | Philips | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NE5019D (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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Philips Semiconductors Linear Products
8-Bit µp-compatible D/A converter
Product specification
NE/SE5018/5019
DESCRIPTION
The NE/SE5018/19 is a complete 8-bit digital-to-analog converter
subsystem on one monolithic chip. The data inputs have input
latches which are controlled by a latch enable pin. The data and
latch enable inputs are ultra-low loading for easy interfacing with all
logic systems. The latches appear transparent when the LE input is
in the low state. When LE goes high, the input data present at the
moment of transition is latched and retained until LE again goes low.
This feature allows easy compatibility with most microprocessors.
The chip also comprises a stable voltage reference (5V nominal)
and high slew rate buffer amplifier. The voltage reference may be
externally trimmed with a potentiometer for easy adjustment of
full-scale while maintaining a low temperature coefficient.
The output of the buffer amplifier may be offset so as to provide
bipolar as well as unipolar operation.
FEATURES
• 8-bit resolution
• Input latches
• Low-loading data inputs
• On-chip voltage reference
• Output buffer amplifier
• Accurate to ± LSB (0.19%)
• Monotonic to 8 bits
• Amplifier and reference both short-circuit protected
• Compatible with 8085, 6800 and many other µPs
PIN CONFIGURATIONS
F, N Packages
DIGITAL GND 1
DB0(LSB) 2
DB1 3
DB2 4
DB3 5
DB4 6
DB5 7
DB6 8
DB7(MSB) 9
LE 10
NC 11
22 ANALOG GND
21 AMP COMP
20 SUM MODE
19 VCC+
18 VOUT
17 VCC–
16 DAC COMP
15 BIPOLAR
OFFSET R
14 VREFIN
13 VREFOUT
12 VREFADJ
D Package1
DIGITAL GND 1
DB0(LSB) 2
DB1 3
DB2 4
DB3 5
DB4 6
DB5 7
DB6 8
DB7(MSB) 9
NC 10
LE 11
VREFADJ 12
24 ANALOG GND
23 AMP COMP
22 SUM MODE
21 VCC+
20 VOUT
19 NC
18 VCC–
17 DAC COMP
16 BIPOLAR
OFFSET
15 NC
14 VREFIN
13 VREFOUT
NOTE:
1. SOL and non-standard pinout
APPLICATIONS
• Precision 8-bit D/A converters
• A/D converters
• Programmable power supplies
• Test equipment
• Measuring instruments
• Analog-digital multiplication
ORDERING INFORMATION
DESCRIPTION
22-Pin Ceramic Dual In-Line Package (CERDIP)
22-Pin Ceramic Dual In-Line Package (CERDIP)
22-Pin Plastic Dual In-Line Package (DIP)
22-Pin Plastic Dual In-Line Package (DIP)
24-Pin Small Outline Large (SOL) Package
TEMPERATURE RANGE
0 to +70°C
-55°C to +125°C
0 to +70°C
-55°C to +125°C
0 to +70°C
ORDER CODE
NE5018/5019F
SE5018/5019F
NE5018/5019N
SE5018/5019N
NE5018/5019D
DWG #
0585B
0585B
0409B
0409B
0173D
August 31, 1994
751 853-0845 13721
1 page  
Philips Semiconductors Linear Products
8-Bit µp-compatible D/A converter
Product specification
NE/SE5018/5019
MSB
LE
LSB
VCC+
0.47µF
10k
10T 80k
98 76 543 2
10
19
DIG GND 1
14 VREF IN
ANA GND 22
13 VREF OUT
12 VREF ADJ 5018
VOUT 18
DAC
COMP BIP OFFSET
16 17
15
SUM 20
AMP 21
COMP
OUTPUT
22pF
1N914
100pF
2k
0.01µF
0.1µF
VCC+
1M
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉDATA
VCC–
20k
10T
VCC–
ZERO SCALE
ADJUST
Figure 4. Bipolar Output Operation (–5 to +5V)
DATA
tSLH
10V
OUTPUT
1LSB
tPLH
0V
LE = LOW
Figure 5. Settling Time and Propagation Delay,
Low-to-High Data
DATA
10V
OUTPUT
tSHL
tPHL
0V
LE = LOW
1LSB
Figure 6. Settling Time and Propagation Delay,
High-to-Low Data
LE
tPLH
10V
OUTPUT
0V
Figure 7. Propagation Delay, Latch Enable to Output
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉDATA
tPHL
LE
10V
OUTPUT
0V
tPHL
Figure 8. Propagation Delay, Latch Enable to Output
August 31, 1994
755
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet NE5019D.PDF ] | |
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