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| 型號(hào)： | LT1206CT7#PBF |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 17/18頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CURR FEEDBK AMP 250MA TO220-7 |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 放大器類型： | 電流反饋 |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 900 V/µs |
| -3db帶寬： | 60MHz |
| 電流 - 輸入偏壓： | 10µA |
| 電壓 - 輸入偏移： | 3000µV |
| 電流 - 電源： | 20mA |
| 電流 - 輸出 / 通道： | 1.2A |
| 電壓 - 電源，單路/雙路(±)： | 10 V ~ 30 V，±5 V ~ 15 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | TO-220-7 成形引線 |
| 供應(yīng)商設(shè)備封裝： | TO-220-7 |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁(yè)面： | 1317 (CN2011-ZH PDF) |
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LT1206
8
1206fb
siMpliFieD scheMaTic
1206 SS
V–
OUTPUT
V+
50
D2
D1
V–
V+
V–
CC
RC
COMP
–IN
+IN
SHUTDOWN
1.25k
TO ALL
CURRENT
SOURCES
Q11
Q15
Q9
Q6
Q5
Q2
Q1
Q18
Q17
Q3
Q4
Q7
Q8
Q12
Q16
Q14
Q13
Q10
applicaTions inForMaTion
TheLT1206isacurrentfeedbackamplifierwithhighoutput
current drive capability. The device is stable with large
capacitive loads and can easily supply the high currents
required by capacitive loads. The amplifier will drive low
impedance loads such as cables with excellent linearity
at high frequencies.
Feedback Resistor Selection
The optimum value for the feedback resistors is a function
of the operating conditions of the device, the load imped-
ance and the desired flatness of response. The Typical AC
Performance tables give the values which result in the
highest 0.1dB and 0.5dB bandwidths for various resistive
loads and operating conditions. If this level of flatness is
not required, a higher bandwidth can be obtained by use
of a lower feedback resistor. The characteristic curves of
Bandwidth vs Supply Voltage indicate feedback resistors
for peaking up to 5dB. These curves use a solid line when
the response has less than 0.5dB of peaking and a dashed
line when the response has 0.5dB to 5dB of peaking. The
curves stop where the response has more than 5dB of
peaking.
For resistive loads, the COMP pin should be left open (see
section on capacitive loads).
Capacitive Loads
The LT1206 includes an optional compensation network
for driving capacitive loads. This network eliminates most
of the output stage peaking associated with capacitive
loads, allowing the frequency response to be flattened.
Figure 1 shows the effect of the network on a 200pF load.
Without the optional compensation, there is a 5dB peak
at 40MHz caused by the effect of the capacitance on the
outputstage.Addinga0.01Fbypasscapacitorbetweenthe
outputandtheCOMPpinsconnectsthecompensationand
completely eliminates the peaking. A lower value feedback
resistor can now be used, resulting in a response which
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| LT1207CS | 功能描述:IC CURRNT FEEDBK AMP DUAL 16SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:帶卷 (TR) |
| LT1207CS#PBF | 功能描述:IC CURRNT FEEDBK AMP DUAL 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:帶卷 (TR) |
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