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參數(shù)資料
| 型號： | LT6650 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Micropower, 400mV Reference with Rail-to-Rail Buffer Amplifier in SOT-23 |
| 中文描述： | 微功耗，400mV的參考與軌到軌緩沖放大器采用SOT - 23 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大小： | 440K |
| 代理商： | LT6650 |
LT6650
8
6650f
operated from a small battery or other relatively high
impedance source, a minimum 1
μ
F capacitor is recom-
mended. PSRR can be significantly enhanced by adding a
low-pass RC filter on the input, with a time-constant of
1ms or higher, as shown in Figure 1. The Typical Perfor-
mance Characteristics graphs show performance as a
function of several combinations of input and output
capacitance.
An input RC of 100ms or more is recommended (such as
5k and 22
μ
F) when output transients must be minimized
in the face of high supply noise, such as in automotive
applications. Figure 2 shows an input filter structure that
effectively eliminates supply transients from affecting the
output. With this extra input decoupling and the LT6650
operating normally from a 12V bus, 50V transients induce
less than <0.5% V
OUT
perturbations.
Figure 3 shows the turn-on response time for the circuit in
Figure 1. The input voltage steps from 0V to 3V, and the
output is configured to produce 400mV. Input bypass and
output load capacitance are 1
μ
F, R
IN
= 0
, R
Z
= 0
, and
the output settles in approximately 0.5ms. Figure 4 shows
APPLICATIU
W
U
U
Figure 2. High Noise-Immunity Input Network
Figure 3. LT6650 Turn-On Characteristic
Figure 4. Output Response to
±
0.5V Input Step
Figure 5. Output Response to Bidirectional Load Step
(100
μ
A to –100
μ
A)
Figure 6. Output Response to Current-Sourcing Load Step
(–100
μ
A to –200
μ
A)
V
IN
4.7k
NOISY
POWER BUS
6650 F02
22
μ
F
1N751
5V
33k
1
μ
F
the same circuit responding to input transients of 0.5V,
settling in about 0.3ms. Figures 5 through 7 show the
same circuit responding to various load steps: changes
between
±
100
μ
A in Figure 5; sourcing current step be-
tween –100
μ
A and –200
μ
A in Figure 6; and sinking current
6650 F05
V
OUT
10mV/DIV
SINKING
I
OUT
SOURCING
100
μ
A
SINKING
100
μ
A
SOURCING
6650 F06
V
OUT
10mV/DIV
AC
I
OUT
–100
μ
A
–200
μ
A
V
OUT
0.4V
0V
0.2ms/DIV
6650 F03
V
IN
3V
0V
2ms/DIV
6650 F04
V
IN
3V
V
OUT
0.4V
0V
2.5V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT6650CS5 | Micropower, 400mV Reference with Rail-to-Rail Buffer Amplifier in SOT-23 |
| LT6650HS5 | Micropower, 400mV Reference with Rail-to-Rail Buffer Amplifier in SOT-23 |
| LT6650IS5 | Micropower, 400mV Reference with Rail-to-Rail Buffer Amplifier in SOT-23 |
| LT6700CS6-1 | Micropower, Low Voltage, SOT-23, Dual Comparator with 400mV Reference |
| LT6700HS6-1 | Micropower, Low Voltage, SOT-23, Dual Comparator with 400mV Reference |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT6650CS5 | 制造商:Linear Technology 功能描述:V-Ref Precision 0.4V 0.2mA 5-Pin TSOT-23 |
| LT6650CS5#PBF | 制造商:Linear Technology 功能描述:V-Ref Precision 0.4V 0.2mA 5-Pin TSOT-23 制造商:Linear Technology 功能描述:IC SM VOLT REF 制造商:Linear Technology 功能描述:IC, SM, VOLT REF |
| LT6650CS5#TR | 功能描述:IC VREF SERIES 0.4V TSOT-23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:- 產(chǎn)品培訓模塊:Voltage Reference Basics 標準包裝:100 系列:- 基準類型:旁路，精度 輸出電壓:4.096V 容差:±0.075% 溫度系數(shù):50ppm/°C 輸入電壓:- 通道數(shù):1 電流 - 陰極:1µA 電流 - 靜態(tài):- 電流 - 輸出:10mA 工作溫度:0°C ~ 70°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:管件 |
| LT6650CS5#TRM | 功能描述:IC VREF SERIES 0.4V TSOT-23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:- 產(chǎn)品培訓模塊:Voltage Reference Basics 標準包裝:100 系列:- 基準類型:旁路，精度 輸出電壓:4.096V 容差:±0.075% 溫度系數(shù):50ppm/°C 輸入電壓:- 通道數(shù):1 電流 - 陰極:1µA 電流 - 靜態(tài):- 電流 - 輸出:10mA 工作溫度:0°C ~ 70°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:管件 |
| LT6650CS5#TRMPBF | 功能描述:IC VREF SERIES 0.4V TSOT-23-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:- 產(chǎn)品培訓模塊:Voltage Reference Basics 標準包裝:100 系列:- 基準類型:旁路，精度 輸出電壓:4.096V 容差:±0.075% 溫度系數(shù):50ppm/°C 輸入電壓:- 通道數(shù):1 電流 - 陰極:1µA 電流 - 靜態(tài):- 電流 - 輸出:10mA 工作溫度:0°C ~ 70°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:管件 |
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