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參數(shù)資料
| 型號： | LT1229 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Dual 100MHz Current Feedback Amplifiers(雙路，100MHz ，電流反饋放大器) |
| 中文描述： | 電流反饋放大器（雙路，100MHz時，電流反饋放大器雙100MHz的） |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 245K |
| 代理商： | LT1229 |
9
LT1229/LT1230
Assumptions:
1. The maximum ambient is 70
°
C for the commercial
parts (C suffix) and 125
°
C for the full temperature
parts (M suffix).
2. The load is a double-terminated video cable, 150
.
3. The maximum output voltage is 2V (peak or DC).
4. The thermal resistance of each package:
J8 is 100
°
C/W
J is 80
°
/W
N8 is 100
°
C/W
N is 70
°
/W
S8 is 150
°
C/W
S is 110
°
/W
Maximum Supply Voltage for 75
Cable Driving Applications at
Maximum Ambient Temperature
PART
LT1229MJ8
LT1229CJ8
LT1229CN8
LT1229CS8
PACKAGE
Ceramic DIP
Ceramic DIP
Plastic DIP
Plastic SO8
MAX POWER AT T
A
0.500W @ 125
°
C
1.050W @ 70
°
C
0.800W @ 70
°
C
0.533W @ 70
°
C
MAX SUPPLY
V
S
<
±
10.1
V
S
<
±
18.0
V
S
<
±
15.6
V
S
<
±
10.6
LT1230MJ
LT1230CJ
LT1230CN
LT1230CS
Ceramic DIP
Ceramic DIP
Plastic DIP
Plastic SO14
0.625W @ 125
°
C
1.313W @ 70
°
C
1.143W @ 70
°
C
0.727W @ 70
°
C
V
S
<
±
6.6
V
S
<
±
13.0
V
S
<
±
11.4
V
S
<
±
7.6
Slew Rate
The slew rate of a current feedback amplifier is not
independent of the amplifier gain the way it is in a tradi-
tional op amp. This is because the input stage and the
output stage both have slew rate limitations. The input
stage of the LT1229/LT1230 amplifiers slew at about
100V/
μ
s before they become nonlinear. Faster input sig-
nals will turn on the normally reverse-biased emitters on
the input transistors and enhance the slew rate signifi-
cantly. This enhanced slew rate can be as much as
2500V/
μ
s.
The output slew rate is set by the value of the feedback
resistors and the internal capacitance. At a gain of ten with
a 1k feedback resistor and
±
15V supplies, the output slew
rate is typically 700V/
μ
s and –1000V/
μ
s. There
is no input stage enhancement because of the high gain.
Large-Signal Response, A
V
= 2, R
F
= R
G
= 750
U
S
A
O
PPLICATI
U
U
LT1229 TA07
Settling Time
The characteristic curves show that the LT1229/LT1230
amplifiers settle to within 10mV of final value in 40ns to
55ns for any output step up to 10V. The curve of settling
to 1mV of final value shows that there is a slower thermal
contribution up to 20
μ
s. The thermal settling component
comes from the output and the input stage. The output
contributes just under 1mV per volt of output change and
the input contributes 300
μ
V per volt of input change.
Fortunately, the input thermal tends to cancel the output
thermal. For this reason the noninverting gain of two
configurations settles faster than the inverting gain of one.
Larger feedback resistors will reduce the slew rate as will
lower supply voltages, similar to the way the bandwidth is
reduced.
Large-Signal Response, A
V
= 10, R
F
= 1k, R
G
= 110
LT1229 TA08
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PDF描述 |
|---|---|
| LT1230 | Quad 100MHz Current Feedback Amplifiers(四路，100MHz ，電流反饋放大器) |
| LT1236 | Precision Reference(5V/10V精密電壓基準(zhǔn)) |
| LT1237 | Advanced Low Power Three Driver, Five Receiver RS232 Transceiver.(先進(jìn)的低功率3發(fā)4收RS232收發(fā)器) |
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| LT1241 Series | High Speed Current Mode Pulse Width Modulators(高速，電流模式脈寬調(diào)制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1229C | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual and Quad 100MHz Current Feedback Amplifiers |
| LT1229CJ8 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual and Quad 100MHz Current Feedback Amplifiers |
| LT1229CN8 | 功能描述:IC CURRNT FEEDBACK AMP DUAL 8DIP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:73 系列:Over-The-Top® 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.07 V/µs 增益帶寬積:200kHz -3db帶寬:- 電流 - 輸入偏壓:1nA 電壓 - 輸入偏移:285µV 電流 - 電源:50µA 電流 - 輸出 / 通道:25mA 電壓 - 電源，單路/雙路(±):2 V ~ 44 V，±1 V ~ 22 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:16-DFN-EP（5x3） 包裝:管件 |
| LT1229CN8#PBF | 功能描述:IC CURRNT FEEDBACK AMP DUAL 8DIP 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):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°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:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| LT1229CN8PBF | 制造商:Linear Technology 功能描述:Dual fast op amp,LT1229CN8 DIP8 |
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