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參數(shù)資料
| 型號(hào)： | MPY534K |
| 英文描述： | Precision ANALOG MULTIPLIER |
| 中文描述： | 精密模擬乘法器 |
| 文件頁(yè)數(shù)： | 7/8頁(yè) |
| 文件大小： | 116K |
| 代理商： | MPY534K |
MPY534
7
Accuracy of the divider mode typically ranges from 0.75%
to 2.0% for a 10 to 1 denominator range depending on device
grade. Accuracy is primarily limited by input offset voltages
and can be significantly improved by trimming the offset of
the X input. A trim voltage of
±
3.5mV applied to the “l(fā)ow
side” X input (X
for positive input voltages on X
) can
produce similar accuracies over a 100 to 1 denominator
range. To trim, apply a signal which varies from 100mV to
10V at a low frequency (less than 500Hz) to both inputs. An
offset sine wave or ramp is suitable. Since the ratio of the
quantities should be constant, the ideal output would be a
constant 10V. Using AC coupling on an oscilloscope, adjust
the offset control for minimum output voltage variation.
SQUARE-ROOTER
A square-rooter connection is shown in Figure 5. Input
voltage is limited to one polarity (positive for the connection
shown). The diode prevents circuit latch-up should the input
go negative. The circuit can be configured for negative input
and positive output by reversing the polarity of both the X
and Y inputs. The output polarity can be reversed by revers-
ing the diode and X input polarity. A load resistance of
approximately 10k
must be provided. Trimming for im-
proved accuracy would be accomplished at the Z input.
FIGURE 4. Basic Divider Connection.
FIGURE 5. Square-Rooter Connection.
FIGURE 6. Difference-of-Squares.
APPLICATIONS
FIGURE 7. Voltage-Controlled Amplifier.
FIGURE 8. Sine-Function Generator.
MPY534
X
1
+V
S
X
2
Out
SF
Z
1
Y
1
Z
2
Y
2
–V
S
–15V
+15V
4.7k
4.3k
3k
10k
18k
V
= (10V) sin
Where
= (
π
/2) (E
/10V)
θ
θ
θ
Input, E
0 to +10V
θ
MPY534
X
1
+V
S
X
2
Out
SF
Z
1
Y
1
Z
2
Y
2
–V
S
–V
S
–15V
+15V
2k
E
S
, ±5V PK
39k
1k
V
= ±12V PK
= (E
C
E
S
)/0.1V
0.005μF
1k
Signal Input,
E
C
, Zero to ±5V
Control Input,
Set
Gain
NOTES: (1) Gain is
X
10 per volt of E
, zero to
X
50. (2) Wideband
(10Hz to 30Hz) output noise is 3mVrms, typ, corresponding to a FS
S/N ratio of 70dB. (3) Noise referred to signal input, with E
= ±5V,
is 60μVrms, typ. (4) Bandwidth is DC to 20kHz, –3dB, indepedent
of gain.
MPY534
X
1
+V
S
X
2
Out
SF
Z
1
Y
1
Z
2
Y
2
–V
S
–15V
+15V
Optional
Summing Input
±10V PK
X Input
(Denominator)
±10V FS
±12V PK
Z Input
(Numerator)
±10V FS,
±12V PK
+
–
(X
1
– X
2
)
V
OUT
= 10V(Z
1
2
– Z
1
)
Output, ±12V PK
MPY634
X
1
+V
S
X
2
Out
SF
Z
1
Y
1
Z
2
Y
2
–V
S
–15V
+15V
Z Input
10V FS
12V PK
V
OUT
= 10V(Z
2
1
) + X
2
Reverse
this and
X inputs
for
Negative
Outputs
Output, ±12V PK
R
(Must be
Provided)
Optional
Summing
Input, X,
±10V PK
1k
400pF
MPY534
X
1
+V
S
X
2
Out
SF
Z
1
Y
1
Z
2
Y
2
–V
S
10k
B
–15V
+15V
V
OUT
= (A
2
– B
2
)/10V
10k
A
(A + B)
2
30k
10k
A – B
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPY534KD | 制造商:Rochester Electronics LLC 功能描述:IC MULTIPLIER - Bulk |
| MPY534KH | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MPY534L | 制造商:BB 制造商全稱(chēng):BB 功能描述:Precision ANALOG MULTIPLIER |
| MPY534LD | 制造商:Rochester Electronics LLC 功能描述:IC MULTIPLIER - Bulk |
| MPY534LH | 制造商:Rochester Electronics LLC 功能描述:IC MULTIPLIER - Bulk |
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