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| 型号： | AC1059 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/8页 |
| 文件大小： | 0K |
| 描述： | SOCKET FOR MODEL AD210 IC |
| 标准包装： | 1 |
| 附件类型： | 插拔式插孔 |
| 适用于相关产品： | AD210 |
AD210
REV. A
–4–
low side of the signal source. This will not work if the source has
another current path to input common or if current flows in the
signal source LO lead. To minimize CMR degradation, keep the
resistor in series with the input LO below a few hundred ohms.
Figure 5 also shows the preferred gain adjustment circuit. The
circuit shows RF of 50 k
, and will work for gains of ten or
greater. The adjustment becomes less effective at lower gains
(its effect is halved at G = 2) so that the pot will have to be a
larger fraction of the total RF at low gain. At G = 1 (follower)
the gain cannot be adjusted downward without compromising
input impedance; it is better to adjust gain at the signal source
or after the output.
Figure 6 shows the input adjustment circuit for use when the
input amplifier is configured in the inverting mode. The offset
adjustment nulls the voltage at the summing node. This is pref-
erable to current injection because it is less affected by subse-
quent gain adjustment. Gain adjustment is made in the feedback
and will work for gains from 1 V/V to 100 V/V.
19
15
16
17
18
30
29
+VOSS
AD210
+VISS
–VISS
+15V
2
3
4
–VOSS
VOUT
VSIG
14
200
47.5k
5k
100k
GAIN
OFFSET
50k
RS
1
Figure 6. Adjustments for Inverting Input
Figure 7 shows how offset adjustments can be made at the out-
put, by offsetting the floating output port. In this circuit,
±15 V
would be supplied by a separate source. The AD210’s output
amplifier is fixed at unity, therefore, output gain must be made
in a subsequent stage.
19
15
16
17
18
30
29
+VOSS
AD210
+VISS
–VISS
+15V
2
3
4
–VOSS
VOUT
14
200
1
0.1F
100k
OFFSET
50k
+15V
–15V
Figure 7. Output-Side Offset Adjustment
PCB Layout for Multichannel Applications:
The unique
pinout positioning minimizes board space constraints for multi-
channel applications. Figure 8 shows the recommended printed
circuit board layout for a noninverting input configuration with
gain.
RF
RG
RF
RG
RF
RG
POWER
CHANNEL INPUTS
1
2
3
0.1"
GRID
CHANNEL OUTPUTS
1
2
3
Figure 8. PCB Layout for Multichannel Applications with
Gain
Synchronization:
The AD210 is insensitive to the clock of an
adjacent unit, eliminating the need to synchronize the clocks.
However, in rare instances channel to channel pick-up may
occur if input signal wires are bundled together. If this happens,
shielded input cables are recommended.
PERFORMANCE CHARACTERISTICS
Common-Mode Rejection:
Figure 9 shows the common-
mode rejection of the AD210 versus frequency, gain and input
source resistance. For maximum common-mode rejection of
unwanted signals, keep the input source resistance low and care-
fully lay out the input, avoiding excessive stray capacitance at
the input terminals.
180
140
40
10
20
50 60 100
200
500
1k
2k
5k
10k
160
100
120
60
80
FREQUENCY – Hz
R
LO = 0
R
LO = 500
R
LO = 0
R
LO = 10k
R
LO = 10k
G = 100
G = 1
CMR
–
dB
Figure 9. Common-Mode Rejection vs. Frequency
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相关代理商/技术参数 |
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| AC1059A-W3 | 制造商:Black Box Corporation 功能描述:3 year warranty for AC1059A |
| AC10-5R6K-RC | 制造商:ALLIED 制造商全称:Allied Components International 功能描述:Axial leaded type, small light weight design |
| AC1060 | 功能描述:TRANSFORMER CURRENT 60.0 AMP RoHS:是 类别:变压器 >> 电流传感 系列:- 标准包装:1 系列:CR8400 变压器类型:频率 20-1kHz 匝数比 - 主:副:1 : 100 电感:- 额定电流:- DC 电阻(DCR):- E.T.:- 安装类型:自由悬挂 尺寸/尺寸:30.00mm 直径 x 9.00mm W 高度 - 座高（最大）:- 端接类型:导线引线 其它名称:Q4676692 |
| AC-1060 | 制造商:Amveco Magnetics 功能描述:CURRENT TRANSFORMER: PRIMARY CURRENT 60.0A,TURNS RATIO 1000:1, DC RESISTANCE 24. 制造商:ACME Electric 功能描述:CURRENT SENSE TRANSFORMER; Input Current:60A; Turns Ratio:1CT:1CT; Frequency Min:50Hz; Frequency Max:60Hz; Secondary Burden Resistance:24ohm; Transformer Mounting:Through Hole; DC Resistance Max:24ohm; External Depth:15.9mm ;RoHS Compliant: Yes 制造商:Nuvotem 功能描述:Current sense transformer 60A 1000:1 |
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