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參數(shù)資料
| 型號(hào)： | MPY634KU |
| 英文描述： | Wide Bandwidth PRECISION ANALOG MULTIPLIER |
| 中文描述： | 寬帶精密模擬乘法器 |
| 文件頁(yè)數(shù)： | 5/8頁(yè) |
| 文件大小： | 122K |
| 代理商： | MPY634KU |
MPY634
5
inspection of the transfer function reveals that any V
OUT
can
be created with an infinitesimally small quantity within the
brackets. Then, an application circuit can be analyzed by
assigning circuit voltages for all X, Y and Z inputs and
setting the bracketed quantity equal to zero. For example,
the basic multiplier connection in Figure 1, Z
1
= V
OUT
and
Z
2
= 0. The quantity within the brackets then reduces to:
(X
OUT
– 0) = 0
SF
This approach leads to a simple relationship which can be
solved for V
OUT
to provide the closed-loop transfer function.
The scale factor is accurately factory adjusted to 10V and is
typically accurate to within 0.1% or less. The scale factor
may be adjusted by connecting a resistor or potentiometer
between pin SF and the –V
S
power supply. The value of the
external resistor can be approximated by:
TYPICAL PERFORMANCE CURVES
(CONT)
T
A
= +25
°
C, V
S
=
±
15VDC, unless otherwise noted.
THEORY OF OPERATION
The transfer function for the MPY634 is:
V
OUT
= A (X
1
– Z
2
)
SF
where:
A = open-loop gain of the output amplifier (typically
85dB at DC).
SF = Scale Factor. Laser-trimmed to 10V but adjustable
over a 3V to 10V range using external resistors.
X, Y, Z are input voltages. Full-scale input voltage
is equal to the selected SF. (Max input voltage =
±
1.25 SF).
An intuitive understanding of transfer function can be gained
by analogy to the op amp. By assuming that the open-loop
gain, A, of the output operational amplifier is infinite,
1
– X
2
) (Y
1
– Y
2
)
1
– X
2
) (Y
1
– Y
2
)
–10
INPUT DIFFERENTIAL-MODE/
COMMON-MODE VOLTAGE
10
–12
12
–5
5
–5
5
10
–10
Specified
Accuracy
V
S
= ±15V
Functional
Derated Accuracy
V
CM
V
DIFF
14
12
10
8
6
4
8
10
12
16
18
20
Positive or Negative Supply (V)
INPUT/OUTPUT SIGNAL RANGE
vs SUPPLY VOLTAGES
P
14
Output, R
L
≥
2k
All inputs, SF = 10V
800
700
600
500
400
300
200
100
–60
0
–20
0
60
100
140
Temperature (°C)
BIAS CURRENTS vs TEMPERATURE
(X,Y or Z Inputs)
B
20
–40
40
80
120
Scaling Voltage = 10V
Scaling Voltage = 3V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPY634KU | 制造商:Texas Instruments 功能描述:ANALOGUE MULTIPLIER SOIC16 634 |
| MPY634KU/1K | 功能描述:增效器/分頻器 Wide BW Prec Ana Multiplier RoHS:否 制造商:Texas Instruments 產(chǎn)品:Multiplier 邏輯系列: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-14 |
| MPY634KU/1KE4 | 功能描述:增效器/分頻器 Wide BW Prec Ana Multiplier RoHS:否 制造商:Texas Instruments 產(chǎn)品:Multiplier 邏輯系列: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-14 |
| MPY634KUE4 | 功能描述:增效器/分頻器 Wide BW Prec Ana Multiplier RoHS:否 制造商:Texas Instruments 產(chǎn)品:Multiplier 邏輯系列: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-14 |
| MPY634SM | 制造商:BB 制造商全稱:BB 功能描述:Wide Bandwidth PRECISION ANALOG MULTIPLIER |
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