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DAC-08HN Schematic ( PDF Datasheet ) - NXP Semiconductors

Teilenummer DAC-08HN
Beschreibung 8-bit high-speed multiplying D/A converter
Hersteller NXP Semiconductors
Logo NXP Semiconductors Logo 




Gesamt 16 Seiten
DAC-08HN Datasheet, Funktion
INTEGRATED CIRCUITS
DAC-08 SERIES
8-bit high-speed multiplying D/A converter
Product data
Supersedes data of 1994 Aug 31
File under Integrated Circuits, Handbook IC11
2001 Aug 03
Philips
Semiconductors






DAC-08HN Datasheet, Funktion
Philips Semiconductors
8-bit high-speed multiplying D/A converter
Product data
DAC-08 Series
AC ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER
TEST CONDITIONS
tS Settling time
To ± 1/2LSB, all bits
switched on or off,
Tamb = 25 °C
Propagation delay
tPLH
Low-to-High
Tamb = 25 °C, each bit.
tPHL High-to-Low
All bits switched
DAC-08C
DAC-08E
DAC-08H
Min Typ Max Min Typ Max Min Typ Max
70 135
70 135
70 135
35 60
35 60
35 60
UNIT
ns
ns
TEST CIRCUITS
VREF
V– V+
RREF
R15
16
14
15
3 13
DAC-08
4
5-12 1 2
CONTROL
LOGIC
Rf
NE5534
+
ERROR
OUTPUT
REFERENCE DAC
ACCURACY > 0.006%
Figure 3. Relative Accuracy Test Circuit
SL00003
0.1 µF VCC
13
5
6 14
+2.0 VDC
1.0 k
2.4 V
eIN 0.4 V
1.0 V
1.4 V
tPHL = tPLH = 10 ns
USE RL to GND
FOR TURN OFF
7 15
81
9 DAC-08 2
1.0 k
0.1 µF
RL FOR SETTLING TIME
SETTLING TIME
RL = 500
MEASUREMENT
10 4
MEASUREMENT
0
11 16
eIN 12
eO (ALL BITS
SWITCHED LOW
TO HIGH)
tS = 70 ns TYPICAL
TO ±1/2 LSB
51
0.1 µF
3
15 pF
CO 25 pF
TRANSIENT 0
RESPONSE
-100 mV
RL = 50
PIN 4 TO GND
VEE
tPLH
tPHL
SL00004
Figure 4. Transient Response and Settling Time
2001 Aug 03
6

6 Page









DAC-08HN pdf, datenblatt
Philips Semiconductors
8-bit high-speed multiplying D/A converter
Product data
DAC-08 Series
RECOMMENDED FULL-SCALE AND ZERO-SCALE ADJUST
VREF
R1
R2
14
15
R3
DAC-08
4
2
R4 = 1M
V+ V–
RS = 20k
NOTES:
R1 = low T.C.
R3 = R1 + R2
R2 0.1 R1 to minimize pot. contribution to full-scale drift
SL00012
Figure 12. Recommended Full-Scale and Zero-Scale Adjust
UNIPOLAR VOLTAGE OUTPUT FOR LOW IMPEDANCE OUTPUT
5k(LOW T.C.)
IR = 2mA
14
15
DAC-08
4
2
NE531
OR
EQUIV
+
5k
VOUT =
0 TO +10V
SL00013
Figure 13. Unipolar Voltage Output for Low Impedance Output
2001 Aug 03
12

12 Page





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