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參數(shù)資料
| 型號(hào)： | LT1672 |
| 廠(chǎng)商： | Linear Technology Corporation |
| 英文描述： | 2MMax, AV=>5 SINGLE, DUAL AND QUAD OVER-THE-TOP PRECISION RAIL-TO-RAIL INPUT AND OUTPUT OP AMPS |
| 中文描述： | 2MMax，影音\u003d“5單，雙和四了超熱門(mén)精密軌至軌輸入和輸出運(yùn)算放大器 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 214K |
| 代理商： | LT1672 |
1
LT1672/LT1673/LT1674
2
μ
A Max, A
V
≥
5 Single, Dual
and Quad Over-The-Top Precision
Rail-to-Rail Input and Output Op Amps
APPLICATIU
FEATURES
DESCRIPTIOU
The LT
1672/LT1673/LT1674 are ultralow power
(I
S
≤
2
μ
A) decompensated (A
V
≥
5) op amps with preci-
sion specifications. The extremely low supply current is
combined with excellent amplifier specifications: input
offset voltage is 375
μ
V maximum with a typical drift of
only 0.4
μ
V/
°
C, input offset current is 100pA maximum. A
minimum open-loop gain (A
VOL
) of 100V/mV ensures that
gain errors are small. The devices’ characteristics change
little over the supply range of 2.2V to
±
15V. Supply
rejection is 90dB and the common mode rejection ratio is
90dB. Operation is specified for 3V, 5V and
±
15V supplies.
Reverse battery protection (–18V min) and inputs that
operate above the positive supply make the LT1672/
LT1673/LT1674 easy to use in harsh environments.
The low bias currents and offset current of the amplifier
permit the use of megohm level source resistors without
introducing significant errors. Voltage noise at 4
μ
V
P-P
is
remarkably low considering the low supply current. For
unity gain stable versions of these amplifiers, see the
LT1494/LT1495/LT1496.
The LT1672 is available in the 8-pin MSOP, PDIP and SO
packages. The LT1673 is available in plastic 8-pin PDIP
and SO-8 packages with the standard dual op amp pinout.
The LT1674 is available in 14-pin PDIP and SO packages.
TYPICAL APPLICATIO
N
U
Single Supply, 60
μ
W Precision Instrumentation Amplifier
I
Gain of 5 Stable
I
Low Supply Current: 2
μ
A Max per Amplifier
I
Rail-to-Rail Input and Output
I
Low Offset Voltage: 375
μ
V Max
I
Over-The-Top
TM
Inputs Operate Above V
+
I
Gain Bandwidth Product: 12kHz
I
Wide Supply Range: 2.2V to 36V
I
Single Supply Input Range: –0.3V to 36V
I
Low Input Bias Current: 250pA
I
Low Input Offset Current: 20pA
I
High A
VOL
: 100V/mV Minimum Driving 100k
Load
I
Output Sources and Sinks 500
μ
A Load Current
I
Reverse Battery Protected to 18V
I
Battery- or Solar-Powered Systems
I
Portable Instrumentation
I
Remote Sensor Amplifier
I
Micropower Filter
I
Photodiode Amplifier
I
High Impedance Circuits
TC V
OS
Distribution
, LTC and LT are registered trademarks of Linear Technology Corporation.
Over-The-Top is a trademark of Linear Technology Corporation.
100k*
100k*
5V
5V
1M
0.0047
μ
F
A
= 100
BANDWIDTH = 1kHz
CMRR = 65dB AT 120Hz
*500V TRANSIENT PROTECTION
TOTAL SUPPLY CURRENT = 12
μ
A
+
–
1M
1M
100k
100k
1M
1M
V
OUT
5V
LT1389-2.5
1672/3/4 TA01
LT1672
1000pF
110k
110k
V
IN1
V
IN2
–
+
–
+
1/2 LT1673
1/2 LT1673
TC V
OS
(
μ
V/
°
C)
–1.5
U
80
70
60
50
40
30
20
10
0
0.9
1672/3/4 TA02
–0.9
–0.3
0.3
1.5
120 AMPLIFIERS
V
=
±
2.5V
–40
°
C to 85
°
C
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| LT1673 | 2MMax, AV=>5 SINGLE, DUAL AND QUAD OVER-THE-TOP PRECISION RAIL-TO-RAIL INPUT AND OUTPUT OP AMPS |
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|---|---|
| LT1672CMS8 | 功能描述:IC OPAMP R-R IN/OUT SNGL 8-MSOP RoHS:否 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:Over-The-Top® 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類(lèi)型:電壓反饋 電路數(shù):4 輸出類(lèi)型:滿(mǎn)擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR) |
| LT1672CMS8#PBF | 功能描述:IC OPAMP R-R IN/OUT SNGL 8-MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:Over-The-Top® 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類(lèi)型:通用 電路數(shù):1 輸出類(lèi)型:滿(mǎn)擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)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-SO 包裝:帶卷 (TR) |
| LT1672CMS8#TR | 功能描述:IC OPAMP R-R IN/OUT SNGL 8-MSOP RoHS:否 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:Over-The-Top® 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類(lèi)型:通用 電路數(shù):2 輸出類(lèi)型:滿(mǎn)擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)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 |
| LT1672CMS8#TRPBF | 功能描述:IC OPAMP R-R IN/OUT SNGL 8-MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:Over-The-Top® 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類(lèi)型:通用 電路數(shù):1 輸出類(lèi)型:滿(mǎn)擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)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-SO 包裝:帶卷 (TR) |
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