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參數(shù)資料
| 型號： | LT6234IS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | 60MHz, Rail-to-Rail Output, 1.9nV / SIGME Hz, 1.15mA Op Amp Family |
| 中文描述： | DUAL OP-AMP, 550 uV OFFSET-MAX, 60 MHz BAND WIDTH, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SO-8 |
| 文件頁數(shù)： | 18/24頁 |
| 文件大小： | 727K |
| 代理商： | LT6234IS8 |
LT6233/LT6233-10/
LT6234/LT6235
18
623345f
APPLICATIU
W
U
U
With R
S
+ R
G
||R
FB
= 225
the total noise of the
amplifier is:
e
N
=
√
(1.9nV)
2
+(1.9nV)
2
= 2.69nV/
√
Hz
Below this resistance value, the amplifier dominates the
noise, but in the region between 225
and about 30k, the
noise is dominated by the resistor thermal noise. As the
total resistance is further increased beyond 30k, the
amplifier noise current multiplied by the total resistance
eventually dominates the noise.
The product of e
N
√
I
SUPPLY
is an interesting way to gauge
low noise amplifiers. Most low noise amplifiers with low
e
N
have high I
SUPPLY
current. In applications that require
low noise voltage with the lowest possible supply current,
this product can prove to be enlightening. The LT6233/
LT6234/LT6235 have an e
N
√
I
SUPPLY
product of only 2.1
per amplifier, yet it is common to see amplifiers with
similar noise specifications to have e
N
√
I
SUPPLY
as high
as 13.5.
For a complete discussion of amplifier noise, see the
LT1028 data sheet.
Enable Pin
The LT6233 and LT6233-10 include an ENABLE pin that
shuts down the amplifier to 10
μ
A maximum supply cur-
rent. The ENABLE pin must be driven high to within 0.35V
of V
+
to shut down the supply current. This can be
accomplished with simple gate logic; however care must
be taken if the logic and the LT6233 operate from different
supplies. If this is the case, then open drain logic can be
used with a pull-up resistor to ensure that the amplifier
remains off. See Typical Characteristic Curves.
The output leakage current when disabled is very low;
however, current can flow into the input protection diodes
D1 and D2 if the output voltage exceeds the input voltage
by a diode drop.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT6235 | 60MHz, Rail-to-Rail Output, 1.9nV / SIGME Hz, 1.15mA Op Amp Family |
| LT6235CGN | 60MHz, Rail-to-Rail Output, 1.9nV / SIGME Hz, 1.15mA Op Amp Family |
| LT6233-10 | 60MHz, Rail-to-Rail Output, 1.9nV / SIGME Hz, 1.15mA Op Amp Family |
| LT6233CS6 | 60MHz, Rail-to-Rail Output, 1.9nV / SIGME Hz, 1.15mA Op Amp Family |
| LT6234 | 60MHz, Rail-to-Rail Output, 1.9nV / SIGME Hz, 1.15mA Op Amp Family |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT6234IS8#PBF | 功能描述:IC OP AMP DUAL 60MHZ R-R 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝: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） 供應商設備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| LT6234IS8#TR | 功能描述:IC OP AMP DUAL 60MHZ R-R 8-SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝: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） 供應商設備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| LT6234IS8#TRPBF | 功能描述:IC OP AMP DUAL 60MHZ R-R 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝: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） 供應商設備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| LT6235 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1.3GHz Low Noise, Low Distortion Differential ADC Driver for 140MHz IF |
| LT6235CGN | 功能描述:IC OP AMP QUAD 1.15MA R-R 16SSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:13 V/µs 增益帶寬積:3MHz -3db帶寬:- 電流 - 輸入偏壓:65pA 電壓 - 輸入偏移:3000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-PDIP 包裝:管件 |
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