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參數(shù)資料
| 型號(hào)： | LT1250 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Octal D-Type Edge Triggered Flip-Flops with 3-State Outputs 20-SOIC 0 to 70 |
| 中文描述： | 極低噪聲零漂移放大器橋 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 230K |
| 代理商： | LT1250 |
1
LTC1250
Very Low Noise
Zero-Drift Bridge Amplifier
I
Electronic Scales
I
Strain Gauge Amplifiers
I
Thermocouple Amplifiers
I
High Resolution Data Acquisition
I
Low Noise Transducers
I
Instrumentation Amplifiers
U
S
A
O
PPLICATI
I
Very Low Noise: 0.75
μ
V
P-P
Typ, 0.1Hz to 10Hz
I
DC to 1Hz Noise Lower Than OP-07
I
Full Output Swing into 1k Load
I
Offset Voltage: 10
μ
V Max
I
Offset Voltage Drift: 50nV/
°
C Max
I
Common-Mode Rejection Ratio: 110dB Min
I
Power Supply Rejection Ratio: 115dB Min
I
No External Components Required
I
Pin-Compatible with Standard 8-Pin Op Amps
S
FEATURE
D
U
ESCRIPTIO
The LTC
1250 is a high performance, very low noise zero-
drift operational amplifier. The LTC1250’s combination of
low front-end noise and DC precision makes it ideal for use
with low impedance bridge transducers. The LTC1250
features typical input noise of 0.75
μ
V
P-P
from 0.1Hz to
10Hz, and 0.2
μ
V
P-P
from 0.1Hz to 1Hz. The LTC1250 has
DC to 1Hz noise of 0.35
μ
V
P-P
, surpassing that of low noise
bipolar parts including the OP-07, OP-77, and LT1012.
The LTC1250 uses the industry-standard single op amp
pinout, and requires no external components or nulling
signals, allowing it to be a plug-in replacement for bipolar
op amps.
The LTC1250 incorporates an improved output stage
capable of driving 4.3V into a 1k load with a single 5V
supply; it will swing
±
4.9V into 5k with
±
5V supplies. The
input common mode range includes ground with single
power supply voltages above 12V. Supply current is 3mA
with a
±
5V supply, and overload recovery times from
positive and negative saturation are 0.5ms and 1.5ms,
respectively. The internal nulling clock is set at 5kHz for
optimum low frequency noise and offset drift; no external
connections are necessary.
The LTC1250 is available in standard 8-pin ceramic and
plastic DIPs, as well as an 8-pin SOIC package.
Input Referred Noise 0.1Hz to 10Hz
2
V
S
= ±5V
A
V
= 10k
TIME (s)
0
μ
V
1
8
LT1250 TA02
0
–1
–2
2
4
6
10
Differential Bridge Amplifier
–
+
5V
–5V
1000pF
18.2k
1000pF
18.2k
7
6
4
3
2
–5V
0.1
μ
F
5V
A
V
= 100
1250 TA01
350
STRAIN
GAUGE
50
GAIN
TRIM
LTC1250
U
A
O
PPLICATI
TYPICAL
and LTC are registered trademarks and LT is a trademark of Linear Technology Corporation.
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| LT1251CN | 功能描述:IC AMP VIDEO FADE CONTRLD 14-DIP RoHS:否 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:驅(qū)動(dòng)器 輸出類型:差分 電路數(shù):3 -3db帶寬:350MHz 轉(zhuǎn)換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:20-QFN 裸露焊盤(pán)（4x4） 包裝:帶卷 (TR) |
| LT1251CN#PBF | 功能描述:IC AMP VIDEO FADE CONTRLD 14-DIP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:驅(qū)動(dòng)器 輸出類型:差分 電路數(shù):3 -3db帶寬:350MHz 轉(zhuǎn)換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:20-QFN 裸露焊盤(pán)（4x4） 包裝:帶卷 (TR) |
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