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參數(shù)資料
| 型號： | LT2078IS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Micropower, Dual and Quad, Single Supply, Precision Op Amps |
| 中文描述： | DUAL OP-AMP, 600 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SOP-8 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 429K |
| 代理商： | LT2078IS8 |
12
LT2078/LT2079
APPLICATIO
S I
N
FOR
ATIO
U
the individual characteristics of the two devices, the two
and three op amp instrumentation amplifier configura-
tions shown in this data sheet are examples. Matching
characteristics are not 100% tested on the LT2078/LT2079.
Some specifications are guaranteed by definition. For
example, 70
μ
V maximum offset voltage implies that mis-
match cannot be more than 140
μ
V. 95dB (= 17.5
μ
V/V)
CMRR means that worst-case CMRR match is 89dB
(= 35
μ
V/V). However, Table 1 can be used to estimate the
W
U
4
V
S
= 5V, 0V
200
μ
s/DIV
LT2078/79 F03
2
0
0
–100
Figure 3. Comparator Rise Response
Time to 10mV, 5mV, 2mV Overdrives
V
S
= 5V, 0V
200
μ
s/DIV
LT2078/79 F04
0
100
0
4
2
Figure 4. Comparator Fall Response
Time to 10mV, 5mV, 2mV Overdrives
expected matching performance at V
S
= 5V, 0V between
the two sides of the LT2078, and between amplifiers A and
D, and between amplifiers B and C of the LT2079.
Comparator Applications
The single supply operation of the LT2078/LT2079 and its
ability to swing close to ground while sinking current
lends itself to use as a precision comparator with TTL
compatible output.
TYPICAL APPLICATIO
N
S
Micropower, 10ppm/
°
C,
±
5V Reference
2M
9V
Gain of 10 Difference Amplifier
+
–
1M
1M
10M
OUTPUT
0.0035V TO 2.4V
1/2 LT2078
BANDWIDTH 20kHz
OUTPUT OFFSET 0.7mV
OUTPUT NOISE 80
μ
V
P-P
(0.1Hz TO 10Hz)
260
μ
V
OVER FULL
BANDWIDTH
THE USEFULNESS OF DIFFERENCE AMPLIFIERS IS LIMITED BY THE FACT THAT
THE INPUT RESISTANCE IS EQUAL TO THE SOURCE RESISTANCE. THE PICOAMPERE
OFFSET CURRENT AND LOW CURRENT NOISE OF THE LT2078 ALLOWS THE USE OF
1M SOURCE RESISTORS WITHOUT DEGRADATION IN PERFORMANCE. IN ADDITION,
WITH MEGOHM RESISTORS MICROPOWER OPERATION CAN BE MAINTAINED
LT2078/79 TA04
–IN
+IN
10M
3V
–
+
+
–
220k
120k
3
2
1
8
4
1/2 LT2078
5V
OUT
1M
6
5
7
LT1034BC-1.2
510k
–5.000V
OUT
–9V
510k
1%
20k
160k
1%
1/2 LT2078
SUPPLY CURRENT = 9V BATTERY = 115
μ
A
–9V BATTERY = 85
μ
A
OUTPUT NOISE = 36
μ
V
P-P
, 0.1Hz TO 10Hz
THE LT2078 CONTRIBUTES LESS THAN 3% OF THE TOTAL OUTPUT NOISE AND
DRIFT WITH TIME AND TEMPERATURE. THE ACCURACY OF THE –5V OUTPUT
DEPENDS ON THE MATCHING OF THE TWO 1M RESISTORS
LT2078/79 TA03
相關(guān)PDF資料 |
PDF描述 |
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| LT2078 | Micropower, Dual and Quad, Single Supply, Precision Op Amps |
| LT2078ACS8 | Micropower, Dual and Quad, Single Supply, Precision Op Amps |
| LT2078CS8 | Micropower, Dual and Quad, Single Supply, Precision Op Amps |
| LT2079 | Micropower, Dual and Quad, Single Supply, Precision Op Amps |
| LT2079AC | Micropower, Dual and Quad, Single Supply, Precision Op Amps |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT2078IS8#PBF | 功能描述:IC OPAMP MICROPOWER DUAL 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝: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 |
| LT2078IS8#TR | 功能描述:IC OPAMP PREC DUAL MCRPWR 8SOIC 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(yīng)商設(shè)備封裝:8-PDIP 包裝:管件 |
| LT2078IS8#TRPBF | 功能描述:IC OPAMP MICROPOWER DUAL 8-SOIC RoHS:是 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(yīng)商設(shè)備封裝:8-PDIP 包裝:管件 |
| LT2079 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower, Dual and Quad, Single Supply, Precision Op Amps |
| LT2079AC | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower, Dual and Quad, Single Supply, Precision Op Amps |
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