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參數(shù)資料
| 型號： | HCPL-7560-060E |
| 英文描述： | Optically Isolated Sigma-Delta Modulator |
| 中文描述： | 光隔離Σ-Δ調(diào)制器 |
| 文件頁數(shù)： | 17/18頁 |
| 文件大?。?/td> | 153K |
| 代理商： | HCPL-7560-060E |
Table 3. Isotek (Isabellenhütte) Four-Terminal Shunt Summary.
In some applications, however,
supply currents flowing
through the power-supply
return path may cause offset
or noise problems. In this
case, better performance may
be obtained by connecting V
IN+
and V
IN-
directly across the
shunt resistor with two
conductors, and connecting
GND1 to the shunt resistor
with a third conductor for the
power-supply return path, as
shown in Figure 19. When
connected this way, both input
Figure 19. Schematic for Three Conductor Shunt Connection.
Shunt Resistor
Part Number
Shunt Resistance
m
50
Tol.
Maximum RMS
Current
Motor Power Range
120 V
ac
-440 V
ac
%
A
hp
kW
PBV-R050-0.5
0.5
3
0.8 - 3
0.6 - 2
PBV-R020-0.5
20
0.5
7
2 - 7
0.6 - 2
PBV-R010-0.5
10
0.5
14
4 - 14
3 - 10
PBV-R005-0.5
5
0.5
25 [28]
7 - 25 [8 - 28]
5 - 19 [6 - 21]
PBV-R002-0.5
2
0.5
39 [71]
11 - 39 [19 - 71]
8 - 29 [14 - 53]
pins should be bypassed. To
minimize electromagnetic
interference of the sense
signal, all of the conductors
(whether two or three are
used) connecting the isolated
modulator to the sense resistor
should be either twisted pair
wire or closely spaced traces
on a PC board.
The 39
resistor in series with
the input lead (R2) forms a
lowpass anti-aliasing filter
with the 0.01
μ
F input bypass
capacitor (C2) with a 400 kHz
bandwidth. The resistor
performs another important
function as well; it dampens
any ringing which might be
present in the circuit formed
by the shunt, the input bypass
capacitor, and the inductance
of wires or traces connecting
the two. Undamped ringing of
the input circuit near the
input sampling frequency can
alias into the baseband
producing what might appear
to be noise at the output of
the device.
+
-
MOTOR
HV-
HV+
R
SENSE
FLOATING
POSITIVE
SUPPLY
GATE DRIVE
CIRCUIT
V
DD1
V
IN+
V
IN-
GND1
V
DD2
MCLK
MDAT
GND2
HCPL-7560
C1
0.1 μF
C2a
0.01 μF
R2a 39
R1
D1
5.1 V
C2b
0.01 μF
R2b 39
Note: Values in brackets are with a heatsink for the shunt.
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| HCPL-7560-300 | Optically Isolated Sigma-Delta Modulator |
| HCPL-7560-300E | Optically Isolated Sigma-Delta Modulator |
| HCPL-7560-500 | Optically Isolated Sigma-Delta Modulator |
| HCPL-7560-500E | Optically Isolated Sigma-Delta Modulator |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HCPL-7560-300 | 功能描述:隔離放大器 Isolated Modulator RoHS:否 制造商:Texas Instruments 輸入補償電壓:1.5 mV 共模抑制比（最小值）:95 dB 帶寬:60 KHz 工作電源電壓:3.3 V 電源電流:8 mA 工作溫度范圍:- 40 C to + 105 C 安裝風格:SMD/SMT 封裝 / 箱體:SOP-8 封裝:Tube |
| HCPL-7560-300E | 功能描述:隔離放大器 Isolated Modulator RoHS:否 制造商:Texas Instruments 輸入補償電壓:1.5 mV 共模抑制比（最小值）:95 dB 帶寬:60 KHz 工作電源電壓:3.3 V 電源電流:8 mA 工作溫度范圍:- 40 C to + 105 C 安裝風格:SMD/SMT 封裝 / 箱體:SOP-8 封裝:Tube |
| HCPL-7560-300E | 制造商:Avago Technologies 功能描述:OPTOCOuPLER LEADED PROCESS COMPATIBLE:YE |
| HCPL-7560-360E | 功能描述:隔離放大器 Isolated Modulator RoHS:否 制造商:Texas Instruments 輸入補償電壓:1.5 mV 共模抑制比（最小值）:95 dB 帶寬:60 KHz 工作電源電壓:3.3 V 電源電流:8 mA 工作溫度范圍:- 40 C to + 105 C 安裝風格:SMD/SMT 封裝 / 箱體:SOP-8 封裝:Tube |
| HCPL-7560-500 | 功能描述:隔離放大器 Isolated Modulator RoHS:否 制造商:Texas Instruments 輸入補償電壓:1.5 mV 共模抑制比（最小值）:95 dB 帶寬:60 KHz 工作電源電壓:3.3 V 電源電流:8 mA 工作溫度范圍:- 40 C to + 105 C 安裝風格:SMD/SMT 封裝 / 箱體:SOP-8 封裝:Tube |
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