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參數(shù)資料
| 型號： | LT1210CT7#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP C-FEEDBACK 1.1A TO-220-7 |
| 標準包裝： | 50 |
| 放大器類型： | 電流反饋 |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 90 V/µs |
| -3db帶寬： | 55MHz |
| 電流 - 輸入偏壓： | 10µA |
| 電壓 - 輸入偏移： | 3000µV |
| 電流 - 電源： | 35mA |
| 電流 - 輸出 / 通道： | 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 |
| 供應商設備封裝： | TO-220-7 |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1317 (CN2011-ZH PDF) |
10
LT1210
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When the LT1210 is used to drive capacitive loads, the
available output current can limit the overall slew rate. In
the fastest configuration, the LT1210 is capable of a slew
rate of over 1V/ns. The current required to slew a capacitor
at this rate is 1mA per picofarad of capacitance, so
10,000pF would require 10A! The photo (Figure 6) shows
the large-signal behavior with CL = 10,000pF. The slew
rate is about 150V/
s, determined by the current limit of
1.5A.
the bandwidth is reduced. The photos in Figures 5a, 5b and
5c show the large-signal response of the LT1210 for
various gain configurations. The slew rate varies from
770V/
s for a gain of 1, to 1100V/s for a gain of –1.
1210 F05c
RF = RG = 750
RL = 10
Figure 5c. Large-Signal Response, AV = 2
Figure 5a. Large-Signal Response, AV = 1
1210 F05a
RF = 825
RL = 10
VS = ±15V
RF = RG = 750
RL = 10
VS = ±15V
1210 F05b
1210 F06
RF = RG = 3k
RL =
∞
VS = ±15V
Differential Input Signal Swing
The differential input swing is limited to about
±6V by an
ESD protection device connected between the inputs. In
normal operation, the differential voltage between the
input pins is small, so this clamp has no effect; however,
in the shutdown mode the differential swing can be the
same as the input swing. The clamp voltage will then set
the maximum allowable input voltage. To allow for some
margin, it is recommended that the input signal be less
than
±5V when the device is shut down.
Capacitance on the Inverting Input
Current feedback amplifiers require resistive feedback
from the output to the inverting input for stable operation.
Take care to minimize the stray capacitance between the
output and the inverting input. Capacitance on the invert-
ing input to ground will cause peaking in the frequency
response (and overshoot in the transient response), but it
does not degrade the stability of the amplifier.
Figure 5b. Large-Signal Response, AV = –1
Figure 6. Large-Signal Response, CL = 10,000pF
VS = ±15V
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