参数资料
| 型号： | LT1128ACN8 |
| 厂商： | Linear Technology |
| 文件页数： | 5/28页 |
| 文件大小： | 0K |
| 描述： | IC OP-AMP LOW NOISE SNGL 8-DIP |
| 标准包装： | 50 |
| 放大器类型： | 通用 |
| 电路数： | 1 |
| 转换速率： | 6 V/µs |
| 增益带宽积： | 20MHz |
| 电流 - 输入偏压： | 25nA |
| 电压 - 输入偏移： | 10µV |
| 电流 - 电源： | 7.4mA |
| 电压 - 电源，单路/双路(±)： | ±4 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
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LT1028/LT1128
13
1028fb
applicaTions inForMaTion – noise
Noise Testing – Current Noise
Current noise density (In) is defined by the following for-
mula,andcanbemeasuredinthecircuitshowninFigure4.
ln =
eno
2 3118.4nV/ Hz
(
)
2
20k 31
1/2
If the Quan Tech Model 5173 is used, the noise reading is
input-referred, therefore the result should not be divided
by 31; the resistor noise should not be multiplied by 31.
100% Noise Testing
The 1kHz voltage and current noise is 100% tested on
the LT1028/LT1128 as part of automated testing; the
approximate frequency response of the filters is shown.
The limits on the automated testing are established by
extensive correlation tests on units measured with the
Quan Tech Model 5173.
10Hz voltage noise density is sample tested on every lot.
Devices 100% tested at 10Hz are available on request for
an additional charge.
10Hz current noise is not tested on every lot but it can be
inferred from 100% testing at 1kHz. A look at the current
noise spectrum plot will substantiate this statement. The
only way 10Hz current noise can exceed the guaranteed
limits is if its 1/f corner is higher than 800Hz and/or its
white noise is high. If that is the case then the 1kHz test
will fail.
Figure 5. Automated Tester Noise Filter
–
+
eno
1.8k
60
LT1028
LT1128
10k
1028 F04
FREQUENCY (Hz)
100
–50
NOISE
FILTER
LOSS
(dB) –10
0
10
1k
10k
100k
1028 F05
–20
–40
–30
CURRENT
NOISE
VOLTAGE
NOISE
Figure 4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1128ACN8#PBF | 功能描述:IC OP-AMP LOW NOISE SNGL 8-DIP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:Excalibur™ 放大器类型:J-FET 电路数:1 输出类型:- 转换速率:45 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:20pA 电压 - 输入偏移:490µV 电流 - 电源:1.7mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:带卷 (TR) |
| LT1128AM | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultra Low Noise Precision High Speed Op Amps |
| LT1128AMJ8 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultra Low Noise Precision High Speed Op Amps |
| LT1128C | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultra Low Noise Precision High Speed Op Amps |
| LT1128CJ8 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultra Low Noise Precision High Speed Op Amps |
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