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| 型号： | LT6211CDD#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/18页 |
| 文件大小： | 0K |
| 描述： | IC AMP CURR FDBK DUAL R-R 10DFN |
| 标准包装： | 2,500 |
| 放大器类型： | 电流反馈 |
| 电路数： | 2 |
| 输出类型： | 满摆幅 |
| 转换速率： | 700 V/µs |
| -3db带宽： | 200MHz |
| 电流 - 输入偏压： | 13.5µA |
| 电压 - 输入偏移： | 1000µV |
| 电流 - 电源： | 6mA |
| 电流 - 输出 / 通道： | 75mA |
| 电压 - 电源，单路/双路(±)： | 3 V ~ 12 V，±1.5 V ~ 6 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-DFN-EP（3x3） |
| 包装： | 带卷 (TR) |
LT6210/LT6211
13
62101fc
applicaTions inForMaTion
Capacitive Loads
The LT6210/LT6211 are stable with any capacitive load.
Although peaking and overshoot may result in the AC
transientresponse,theamplifier’scompensationdecreases
bandwidthwithincreasingoutputcapacitiveloadtoensure
stability. To maintain a response with minimal peaking, the
feedbackresistorcanbeincreasedatthecostofbandwidth
as shown in the Typical Performance Characteristics.
Alternatively, a small resistor (5Ω to 35Ω) can be put in
series with the output to isolate the capacitive load from
theamplifieroutput.Thishastheadvantagethattheampli-
fier bandwidth is only reduced when the capacitive load
is present. The disadvantage of this technique is that the
gain is a function of the load resistance.
Power Supplies
The LT6210/LT6211 will operate on single supplies from
3V to 12V and on split supplies from ±1.5V to ±6V. If split
supplies of unequal absolute value are used, input offset
voltageandinvertinginputcurrentwillshiftfromthevalues
specifiedintheElectricalCharacteristicstable.Inputoffset
voltage will shift 2mV and inverting input current will shift
0.5A for each volt of supply mismatch.
Slew Rate
Unlike a traditional voltage feedback op amp, the slew rate
of a current feedback amplifier is not independent of the
amplifier gain configuration. In a current feedback ampli-
fier, both the input stage and the output stage have slew
rate limitations. In the inverting mode, and for gains of 2
or more in the noninverting mode, the signal amplitude
between the input pins is small and the overall slew rate
is that of the output stage. For gains less than 2 in the
noninverting mode, the overall slew rate is limited by the
input stage. The input slew rate of the LT6210/LT6211 on
±5V supplies with an RSET resistor of 20k (IS = 6mA) is
approximately 600V/s and is set by internal currents and
capacitances. The output slew rate is additionally con-
strained by the value of the feedback resistor and internal
capacitance. At a gain of 2 with 887Ω feedback and gain
resistors, ±5V supplies and the same biasing as above,
the output slew rate is typically 700V/s. Larger feedback
resistors, lower supply voltages and lower supply current
levelswillallreduceslewrate.Inputslewratessignificantly
exceeding the output slew capability can actually decrease
slew performance in a positive gain configuration; the
cleanest transient response will be obtained from input
signals with slew rates slower than 1000V/s.
Output Swing and Drive
The output stage of the LT6210/LT6211 consists of a pair
ofclass-ABbiasedcommonemittersthatenabletheoutput
to swing rail-to-rail. Since the amplifiers can potentially
deliveroutputcurrentswellbeyondthespecifiedminimum
short-circuit current, care should be taken not to short the
output of the device indefinitely. Attention must be paid to
keep the junction temperature of the IC below the absolute
maximum rating of 150°C if the output is used to drive
low impedance loads. See Note 5 for details. Additionally,
the output of the amplifier has reverse-biased ESD diodes
connected to each supply. If the output is forced beyond
eithersupply,largecurrentswillflowthroughthesediodes.
If the current is limited to 80mA or less, no damage to
the part will occur.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT6211CMS | 功能描述:IC AMP CURR FDBK DUAL R-R 10MSOP RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:1,000 系列:- 放大器类型:电压反馈 电路数:4 输出类型:满摆幅 转换速率:33 V/µs 增益带宽积:20MHz -3db带宽:30MHz 电流 - 输入偏压:2nA 电压 - 输入偏移:3000µV 电流 - 电源:2.5mA 电流 - 输出 / 通道:30mA 电压 - 电源，单路/双路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作温度:-40°C ~ 85°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-SOIC 包装:带卷 (TR) |
| LT6211CMS#PBF | 功能描述:IC AMP CFA R-R DUAL PROGR 10MSOP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:1,000 系列:- 放大器类型:电压反馈 电路数:4 输出类型:满摆幅 转换速率:33 V/µs 增益带宽积:20MHz -3db带宽:30MHz 电流 - 输入偏压:2nA 电压 - 输入偏移:3000µV 电流 - 电源:2.5mA 电流 - 输出 / 通道:30mA 电压 - 电源，单路/双路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作温度:-40°C ~ 85°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-SOIC 包装:带卷 (TR) |
| LT6211CMS#TR | 功能描述:IC AMP CURR FDBK DUAL R-R 10MSOP RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:通用 电路数:2 输出类型:满摆幅 转换速率:1.8 V/µs 增益带宽积:6.5MHz -3db带宽:4.5MHz 电流 - 输入偏压:5nA 电压 - 输入偏移:100µV 电流 - 电源:65µA 电流 - 输出 / 通道:35mA 电压 - 电源，单路/双路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LT6211CMS#TRPBF | 功能描述:IC AMP CURR FDBK DUAL R-R 10MSOP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:通用 电路数:2 输出类型:满摆幅 转换速率:1.8 V/µs 增益带宽积:6.5MHz -3db带宽:4.5MHz 电流 - 输入偏压:5nA 电压 - 输入偏移:100µV 电流 - 电源:65µA 电流 - 输出 / 通道:35mA 电压 - 电源，单路/双路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LT6211CMSPBF | 制造商:Linear Technology 功能描述:LT6210 dual prog sup current MSOP op amp |
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