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參數(shù)資料
| 型號(hào)： | LT1969CMS |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OP-AMP ADJ CURRNT DUAL 10MSOP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 2 |
| 轉(zhuǎn)換速率： | 200 V/µs |
| 增益帶寬積： | 700MHz |
| 電流 - 輸入偏壓： | 1.5µA |
| 電壓 - 輸入偏移： | 1000µV |
| 電流 - 電源： | 7mA |
| 電流 - 輸出 / 通道： | 700mA |
| 電壓 - 電源，單路/雙路(±)： | 4 V ~ 13 V，±2 V ~ 6.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-MSOP |
| 包裝： | 管件 |
12
LT1969
Capacitive Loading
The LT1969 is stable with a 1000pF capacitive load. The
photo of the small-signal response with 1000pF load in a
gain of 10 shows 50% overshoot. The photo of the large-
signal response with a 1000pF load shows that the output
slew rate is not limited by the short-circuit current. The
Typical Performance Curve of Frequency Response vs
Capacitive Load shows the peaking for various capacitive
loads.
This stability is useful in the case of directly driving a
coaxial cable or twisted pair that is inadvertently
unterminated. For best pulse fidelity, however, a termina-
tion resistor of value equal to the characteristic impedance
of the cable or twisted pair (i.e., 50
/75/100/135)
should be placed in series with the output. The other end
of the cable or twisted pair should be terminated with the
same value resistor to ground.
APPLICATIO S I FOR ATIO
WU
UU
Figure 2. Compensation for Inverting Gains
RG
RC
Vo
Vi
CC
(OPTIONAL)
–
+
1969 F02
RF
=
–RF
RG
Vo
Vi
< 15MHz
1
2
πRCCC
(RC || RG) ≤ RF/9
Figure 3. Compensation for Noninverting Gains
RC
Vo
Vi
CC
(OPTIONAL)
+
–
1969 F03
RF
RG
= 1 +
RF
RG
Vo
Vi
< 15MHz
1
2
πRCCC
(RC || RG) ≤ RF/9
Compensation
The LT1969 is stable in a gain 10 or higher for any supply
and resistive load. It is easily compensated for lower gains
with a single resistor or a resistor plus a capacitor.
Figure 2 shows that for inverting gains, a resistor from the
inverting node to AC ground guarantees stability if the
parallel combination of RC and RG is less than or equal to
RF/9. For lowest distortion and DC output offset, a series
capacitor, CC, can be used to reduce the noise gain at lower
frequencies. The break frequency produced by RC and CC
should be less than 15MHz to minimize peaking. The
Typical Curve of Frequency Response vs Supply Voltage,
AV = –1 shows less than 1dB of peaking for a break
frequency of 12.8MHz.
Figure 3 shows compensation in the noninverting configu-
ration. The RC, CC network acts similarly to the inverting
case. The input impedance is not reduced because the
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| LT1969CMS#PBF | 功能描述:IC OP-AMP ADJ CURRNT DUAL 10MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:350 V/µs 增益帶寬積:180MHz -3db帶寬:320MHz 電流 - 輸入偏壓:12.5µA 電壓 - 輸入偏移:800µV 電流 - 電源:15mA 電流 - 輸出 / 通道:85mA 電壓 - 電源，單路/雙路(±):2.5 V ~ 12.6 V，±1.25 V ~ 6.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) |
| LT1969CMS#TR | 功能描述:IC OP-AMP ADJ CURRNT DUAL 10MSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| LT1969CMS#TRPBF | 功能描述:IC OP-AMP ADJ CURRNT DUAL 10MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| LT1970 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:500mA Power Op Amp with Adjustable Precision Current Limit |
| LT1970_1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:500mA Power Op Amp with Adjustable Precision Current Limit |
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