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參數資料
| 型號： | HA9P2557-9 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | MICRO 15 F 10" RBW |
| 中文描述： | ANALOG MULTIPLIER OR DIVIDER, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁數： | 3/10頁 |
| 文件大小： | 576K |
| 代理商： | HA9P2557-9 |
8-3
Test Circuit and Waveform
Application Information
Operation at Reduced Supply Voltages
The HA-2557 will operate over a range of supply voltages,
±
5V to
±
15V. Use of supply voltages below
±
12V will reduce
input and output voltage ranges. See “Typical Performance
Curves” for more information. The
±
5V range is particularly
useful in video applications. At
±
5V the input voltage range is
reduced to
±
1.4V limiting the fullscale output current.
Another current output option is the HA-2556 voltage output
multiplier configured for current output with an output sens-
ing resistor (Refer to the HA-2556 data sheet).
Offset Adjustment
The channel offset voltage may be nulled by using a 20K poten-
tiometer between the V
YIO
or V
XIO
adjust pin A and B and con-
necting the wiper to V-. Reducing the channel offset voltage will
reduce AC feedthrough and improve the multiplication error.
Theory of Operation
The HA-2557 creates an output current that is the product of
the X and Y input voltages divided by a constant scale factor of
10kV
. The resulting output has the correct polarity in each of
the four quadrants defined by the combinations of positive and
negative X and Y inputs. This results in the following equation,
where X and Y are high impedance differential inputs:
To accomplish this the differential input voltages are first con-
verted into differential currents by the X and Y input transcon-
ductance stages. The currents are then scaled by a constant
reference and combined in the multiplier core. The multiplier
core is a basic Gilbert Cell that produces a differential output
current proportional to the product of X and Y input signal cur-
rents. This current is converted into the output for the HA-2557.
The purpose of the reference circuit is to provide a stable cur-
rent, used in setting the scale factor. This is achieved with a
bandgap reference circuit to produce a temperature stable
voltage of 1.2V which is forced across a NiCr resistor. Slight
adjustments to scale factor may be possible by overriding the
Output Resistance
Output Capacitance
Internal Resistor (R
Z
)
±
10V
25
25
25
Full
1.0
-
2425
2375
1.5
6.5
2500
2500
-
-
M
pF
2575
2625
POWER SUPPLY
+PSRR
-PSRR
Supply Current
NOTES:
2. Error is percent of full scale, 1% = 16
μ
A.
3. V
XCM
=
±
10V, V
YCM
= +9V, -10V.
4. Relative to full scale output.
V
S
=
±
12V to
±
17V
V
S
=
±
12V to
±
17V
Full
Full
Full
65
45
-
80
55
13
-
-
dB
dB
mA
17
FIGURE 1. AC AND TRANSIENT RESPONSE TEST CIRCUIT
V
Y
TRANSIENT RESPONSE
Electrical Specifications
V
SUPPLY
=
±
15V, Unless Otherwise Specified
(Continued)
PARAMETER
TEST CONDITIONS
TEMP.
(
o
C)
HA-2557-9
TYP
UNITS
MIN
MAX
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
+15V
V
OUT
NC
NC
NC
-15V
50
NC
V
Y
+
V
X
+
REF
NC
NC
NC
NC
X
Y
X
Vertical Scale: Top 5V/Div.
Horizontal Scale: 20ns/Div.
Bottom: 100mV/Div.
I
OUT
------------------
=
HA-2557
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| HA9P2625-9 | 功能描述:IC OPAMP VFB 100MHZ HIGHZ 8-SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數:4 輸出類型:- 轉換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:14-SOIC 包裝:管件 產品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
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