HA1-2556-9 Intersil, HA1-2556-9 Datasheet - Page 11

• Manufacturer Part Number: HA1-2556-9
• Description: IC MULTIPLIER 4QUAD VOUT 16-DIP
• Manufacturer: Intersil
• Series: HAr

Specifications of HA1-2556-9

• Function: Analog Multiplier
• Number Of Bits/stages: 4-Quadrant
• Package / Case: 16-CDIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Setting:
Values for α to give a desired M root or power are as follows:
V
1 α
OUT
–
V
FIGURE 20. NONINTEGRAL POWERS - ADJUSTABLE
OUT
0V ≤ V
1.0 ≤ M ≤ 2.0
ROOTS - FIGURE 19
=
0.5
0.6
0.7
0.8
0.9
1.0
=
M
0V ≤ V
1.2 ≤ M ≤ 2.0
1
-- -
5
FIGURE 21. NONINTEGRAL POWERS - FIXED
1
-- -
5
⎛
⎜
⎝
R
------ -
R
⎛
⎜
⎝
IN
R
------ -
R
3
4
IN
≤ 1V
3
4
+
≤ 1V
NC
NC
NC
+
V-
1
1
⎞
⎟
⎠
⎞
⎟
⎠
V
1
2
3
4
5
6
7
8
NC
NC
NC
IN
V-
≈
≈
≈
≈
+
-
2
0.25
0.50
0.70
0.85
REF
+
α
α
0
1
Y
HA-2556
⎛
⎜
⎝
1
2
3
4
5
6
7
8
=
R
------ -
R
+
-
3
4
Σ
⎛
⎜
⎝
+
REF
R
------ -
R
+
Y
-
HA-2556
3
4
11
1
R
X
⎞
⎟
⎠
+
Z
3
⎛
⎜
⎝
Σ
1
+
+
-
-
-------------------- -
R
+
⎞
⎟
⎠
16
15
14
13
12
11
10
-
1
⎛
⎜
⎝
9
R
POWERS - FIGURE 20
-------------------- -
R
+
X
Z
2
1.0
1.2
1.4
1.6
1.8
2.0
NC
NC
NC
1
V+
M
R
R
+
+
-
-
+
2
16
15
14
13
12
11
10
2
⎞
⎟
⎠
9
R
+
-
V
2
IN
HA-5127
⎞
⎟
⎠
NC
NC
NC
V+
R
4
1-
V
α
α
IN
≈
≈
≈
≈
0.75
0.50
0.30
0.15
α
1
0
(EQ. 21)
(EQ. 22)
V
V
R
R
OUT
IN
1
2
HA-2556
Sine Function Generators
Similar functions can be formulated to approximate a SINE
function converter as shown in Figure 22. With a linearly
changing (0V to 5V) input the output will follow 0° to 90° of a
sine function (0V to 5V) output. This configuration is
theoretically capable of ±2.1% maximum error to full scale.
By adding a second HA-2556 to the circuit an improved fit
may be achieved with a theoretical maximum error of ±0.5%
as shown in Figure 23. Figure 23 has the added benefit that it
will work for positive and negative input signals. This makes a
convenient triangle (±5V input) to sine wave (±5V output)
converter.
References
for; 0V ≤ V
where:
for; -5V ≤ V
V
0.6082
V
[1] Pacifico Cofrancesco, “RF Mixers and Modulators made
[2] Richard Goller, “IC Generates Nonintegral Roots”
V
OUT
OUT
V
OUT
IN
with a Monolithic Four-Quadrant Multiplier” Microwave
Journal, December 1991 pg. 58 - 70.
Electronic Design, December 3, 1992.
=
=
=
V
------------------------------------------------------------------ -
3.18167
IN
FIGURE 22. SINE-FUNCTION GENERATOR
-------------------- -
R
IN
3
-------------------------------------------------- -
(
5V
R
IN
5 0.05
0.6082 0.05V
+
(
(
4
1 0.1284V
≤ 5V
R
IN
≤ 5V
–
4
–
;
+
NC
NC
NC
V-
0.05494V
)
0.0177919V
–
=
1
2
3
4
5
6
7
8
5 0.1284
-------------------- -
R
(
5
+
-
R
IN
REF
+
R
Y
IN
6
HA-2556
3
)
R
Max Theoretical Error = 2.1%FS
3
IN
, 644
Max Theoretical Error = 0.5%FS
)
6
≈
IN
2
Σ
)
+
5sin
-
=
≈
X
5sin
Z
-------------------- -
R
⎛
⎝
+
+
1
-
-
π
-- -
2
R
16
15
14
13
12
11
10
+
⋅
9
⎛
⎝
2
V
---------
R
π
-- -
2
5
V+
NC
NC
NC
IN
2
⋅
V
---------
⎞
⎠
5
IN
R
4
⎞
⎠
, 1k
262
470
R
R
1
2
April 29, 2008
(EQ. 23)
(EQ. 24)
(EQ. 25)
FN2477.6
1410
470
R
R
6
5