参数资料
| 型号： | AD204KN |
| 厂商： | Analog Devices Inc |
| 文件页数： | 12/12页 |
| 文件大小： | 0K |
| 描述： | IC AMP ISOL 5KHZ QUAD LP 38DIP |
| 标准包装： | 1 |
| 放大器类型： | 隔离 |
| 电路数： | 4 |
| 增益带宽积： | 5kHz |
| 电流 - 输入偏压： | 30pA |
| 电压 - 输入偏移： | 5000µV |
| 电流 - 输出 / 通道： | 2mA |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 38-DIP（0.500"，12.70mm），11 引线 |
| 供应商设备封装： | 10-PDIP |
| 包装： | 管件 |
REV. D
AD202/AD204
–9–
CHANNEL 0
CHANNEL 1
HI
LO
HI
LO
RF
RG RF
RG
100pF
0.1”
GRID
1
3
5
2
4
6
1
3
5
2
4
6
Figure 16b.
Synchronization. Since AD204s operate from a common
clock, synchronization is inherent. AD202s will normally not
interact to produce beat frequencies even when mounted on
0.25-inch centers. Interaction may occur in rare situations where
a large number of long, unshielded input cables are bundled
together and channel gains are high. In such cases, shielded
cable may be required or AD204s can be used.
APPLICATIONS EXAMPLES
Low Level Sensor Inputs. In applications where the output of
low level sensors such as thermocouples must be isolated, a low
drift input amplifier can be used with an AD204, as shown in
Figure 17. A three-pole active filter is included in the design to
get normal-mode rejection of frequencies above a few Hz and to
provide enhanced common-mode rejection at 60 Hz. If offset
adjustment is needed, it is best done at the trim pins of the OP07
itself; gain adjustment can be done at the feedback resistor.
Note that the isolated supply current is large enough to mandate
the use of 1
mF supply bypass capacitors. This circuit can be
used with an AD202 if a low power op amp is used instead of
the OP07.
Process Current Input with Offset. Figure 18 shows an
isolator receiver that translates a 4-20 mA process current
signal into a 0 V to 10 V output. A 1 V to 5 V signal appears at
the isolator’s output, and a –1 V reference applied to output LO
provides the necessary level shift (in multichannel applications,
the reference can be shared by all channels). This technique is
often useful for getting offset with a follower-type output buffer.
AD202
OR
AD204
+
+15V
–15V
250
4–20mA
1V
TO
5V
–
15k
+
0V
TO
10V
10k
–
237
1k
AD589
6.8k
–15V
–1V TO
ADDITIONAL
CHANNELS
Figure 18. Process Current Input Isolator with Offset
The circuit as shown requires a source compliance of at least
5 V, but if necessary that can be reduced by using a lower value
of current-sampling resistor and configuring the input amplifier
for a small gain.
(NOTE: Circuit figures shown on this page are for SIP-style packages. Refer to
Page 3 for proper DIP package pinout.)
AD204
+7.5V
–7.5V
CLK RET
CLK
–
+
VO = VI
1 +
50k
RG
0.15 F
470k
0.038 F
49.9k
RG
AD OP-07
1 F
+
1 F
+
1 F
+
39k
220M
HI
LO
OPTIONAL
OPEN INPUT
DETECTION
(
)
Figure 17. Input Amplifier and Filter for Sensor Signals
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相关代理商/技术参数 |
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| AD204KY | 功能描述:IC AMP ISOL 5KHZ QUAD LP 38SIP RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有关文件:TS1854A View All Specifications 标准包装:50 系列:- 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.25 V/µs 增益带宽积:630kHz -3db带宽:- 电流 - 输入偏压:16nA 电压 - 输入偏移:1000µV 电流 - 电源:162µA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):1.8 V ~ 6 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SO 包装:管件 |
| AD205-00E | 功能描述:SENSOR MAG SW 40G STANDRD 8-MSOP 制造商:nve corp/sensor products 系列:AD 包装:管件 零件状态:有效 功能:全极开关 技术:霍尔效应 极化:任意一种 感应范围:±2.5mT 跳闸，±1.1mT 释放 测试条件:-40°C ~ 125°C 电压 - 电源:4.5 V ~ 30 V 电流 - 电源（最大值）:4.5mA 电流 - 输出（最大值）:20mA 输出类型:开路集电极 特性:- 工作温度:-40°C ~ 125°C（TA） 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商器件封装:8-MSOP 标准包装:1,000 |
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