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DAC08F View Datasheet(PDF) - Philips Electronics

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DAC08F Datasheet PDF : 12 Pages
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Philips Semiconductors Linear Products
8-Bit high-speed multiplying D/A converter
Product specification
DAC08 Series
TEST CIRCUITS (Continued)
VCC
13
5
REQ = 200
6
14
7
15
8
1
9
DAC-08
2
10
4
11
16 OPEN
12
0.1µF
3
VEE
RIN
2V
1k
VIN
0
RP
10%
RL
SCOPE
dI
I dV
dt + RL dt
90%
SLEWING TIME
Figure 3. Reference Current Slew Rate Measurement
VCC
ICC
DIGITAL
INPUTS
5
A1 6
A2
A3 7
8
A4 9
A5 10
A6 11
A7 12
A8
(+) II
VI
13
DAC-08
3
I14
14
R14
15
I15
1
R15
2
4
16
IO
C
VREF (+)
VO
OUTPUT
RL
NOTES:
(See text for values of C.)
Typical values of R14 = R15 = 1k
VREF = +2.0V
C = 15pF
IEE
VEE
VI and II apply to inputs A1 through A8
The resistor tied to Pin 15 is to temperature compensate the bias current and may not be necessary for all applications.
Ť Ť A1
A2
A3
A4
A5
A6
A7
A8
IO + K 2 ) 4 ) 8 ) 16 ) 32 ) 64 ) 128 ) 256
VREF
where K [ R14
and AN = ‘1’ if AN is at High Level
AN = ‘0’ if AN is at Low Level
Figure 4. Notation Definitions
0
2.0mA
August 31, 1994
721
 

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