HI3-DAC80V-5 Intersil, HI3-DAC80V-5 Datasheet - Page 6

CONV D/A 12BIT OUTPUT AMP 24PDIP

HI3-DAC80V-5

Manufacturer Part Number
HI3-DAC80V-5
Description
CONV D/A 12BIT OUTPUT AMP 24PDIP
Manufacturer
Intersil
Datasheet

Specifications of HI3-DAC80V-5

Settling Time
1.5µs
Number Of Bits
12
Data Interface
Parallel
Number Of Converters
1
Voltage Supply Source
Dual ±
Operating Temperature
0°C ~ 75°C
Mounting Type
Through Hole
Package / Case
24-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power Dissipation (max)
-

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output. Matched switching times and fast switching will
reduce glitches considerably. (Measured as one half the
Product of duration and amplitude.)
Decoupling and Grounding
For best accuracy and high frequency performance, the
grounding and decoupling scheme shown in Figure 1 should
be used. Decoupling capacitors should be connected close
to the HI-DAC80V (preferably to the device pins) and should
be tantalum or electrolytic bypassed with ceramic types for
best high frequency noise rejection.
Reference Supply
An internal 6.3V reference is provided on board the
HI-DAC80V. The voltage (pin 24) is accurate to 0.8% and
must be connected to the reference input (pin 16) for
specified operation. This reference may be used externally,
provided current drain is limited to 2.5mA. An external buffer
amplifier is recommended if this reference is to be used to
drive other system components. Otherwise, variations in the
load driven by the reference will result in gain variations of
the HI-DAC80V. All gain adjustments should be made under
constant load conditions.
24
16
14
-V
0.01 F
S
1 F
FIGURE 1.
21
0.01 F
6
1 F
22
+V
+
-
S
18
19
20
15
HI-DAC80V
Output Voltage Ranges
10k TO
Unipolar
Bipolar
UNIPOLAR CALIBRATION
Step 1:
Step 2:
BIPOLAR CALIBRATION
Step 1:
Step 2:
This Bipolar procedure adjusts the output range end points. The
maximum error at zero (half scale) will not exceed the Linearity
Error. See the “Accuracy” Specifications.
100k
R1
+V
-V
S
S
2.8M
TABLE 3. GAIN AND OFFSET CALIBRATIONS
24
17
16
23
0.01 F
0 to +10V
TABLE 2. RANGE CONNECTIONS
0 to +5V
RANGE
2.5V
10V
5V
6.3K
12.6k
Offset
Gain
Offset
Gain
CONTROL
FIGURE 2. HI-DAC80V
Turn all bits OFF (11 . . . 1)
Adjust R2 for 0V out
Turn all bits ON (00 . . . 0)
Adjust R1 for FS - 1 LSB
That is:
Turn all bits OFF (11 . . . 1)
Adjust R2 for Negative FS
That is:
Turn all bits ON (00 . . . 0)
Adjust R1 for Positive FS - 1 LSB
That is:
AMP
4.9988 for 0 to +5V range
9.9976 for 0 to +10V range
-10V for 10V range
-5V for
-2.5V for
+9.9951V for 10V Range
+4.9976V for 5V Range
+2.4988V for 2.5V Range
+
-
PIN 15
18
18
18
18
19
5V range
2.5V range
CONNECT
PIN 17
NC
NC
5k
5k
20
20
20
+
-
18
19
20
15
21
M
3.9
PIN 19
NC
NC
20
20
15
100k
R2
5k
TO
+V
-V
S
S

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