NE5018 Ver la hoja de datos (PDF) - Philips Electronics
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NE5018 Datasheet PDF : 6 Pages
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Philips Semiconductors Linear Products
8-Bit µp-compatible D/A converter
Product specification
NE/SE5018/5019
AC ELECTRICAL CHARACTERISTICS1
VCC = ±15V, TA = 25°C
SYMBOL PARAMETER
TO
FROM
tSLH
Settling time
±1/2LSB Input
tSHL
Settling time
±1/2LSB Input
tPLH
Propagation delay
Output
Input
tPHL
Propagation delay
Output
Input
tPLSB
Propagation delay
Output
Input
tPLH
Propagation delay
Output
LE
tPHL
Propagation delay
Output
LE
tS
Setup time
LE
Input
tH
Hold time
Input
LE
tPW
Latch enable pulse width
NOTES:
1. Refer to Figure 2.
2. See Figure 5.
3. See Figure 6.
4. See Figure 7.
5. See Figure 8.
6. See Figure 9.
7. For reference currents>3mA, use of an external buffer is required.
MSB
LE
LSB
VCC+
0.47µF
5.000V
98 76 543 2
10
14 VREF IN
13 VREF OUT
12
5018
DAC
COMP
16 17
15
19
DIG GND 1
ANA GND 22
VOUT 18
SUM 20
AMP 21
COMP
OUTPUT
22pF
2k
1N914
100pF
TEST CONDITIONS
All bits low-to-high2
All bits high-to-low3
All bits switched low-to-high2
All bits switched high-to-low3
1 LSB change2, 3
Low-to-high transition4
High-to-low transition5
1, 6
1, 6
1, 6
NE/SE5018/19
Min Typ Max
1.8
2.3
300
150
150
300
150
100
50
150
UNIT
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
MSB
LE
LSB
VCC+
0.47µF
98 76 543 2
10
14
13
12
5018
DAC
COMP
16 17
15
19
DIG GND 1
ANA GND 22
VOUT 18
SUM 20
AMP 21
COMP
OUTPUT
22pF
2k
1N914
100pF
0.01µF
0.1µF
VCC–
Figure 1. DC Parametric Test Configuration
MSB
LE
LSB
0.01µF
0.1µF
VCC–
Figure 2. AC Parametric Test Configuration
VCC+
0.47µF
10k
10T
80k
FULL SCALE
ADJUST
98 76 543 2
10
14 VREF IN
13 VREF OUT
12 VREF ADJ 5018
DAC
COMP
16 17
15
19
DIG GND 1
ANA GND 22
VOUT 18
SUM 20
AMP 21
COMP
OUTPUT
22pF
2k
1N914
100pF
0.01µF
0.1µF
VCC+
1M
VCC–
20k
10T
VCC–
ZERO SCALE
ADJUST
Figure 3. Full-/Zero-Scale Adjust — Unipolar Output (0–10V)
August 31, 1994
754
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