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參數(shù)資料
| 型號： | LTC1051CSW#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP CHOPR-STBL DUAL 16SOIC |
| 標準包裝： | 1,000 |
| 放大器類型： | 斷路器（零漂移） |
| 電路數(shù)： | 2 |
| 轉(zhuǎn)換速率： | 4 V/µs |
| 增益帶寬積： | 2.5MHz |
| 電流 - 輸入偏壓： | 15pA |
| 電壓 - 輸入偏移： | 0.5µV |
| 電流 - 電源： | 1mA |
| 電壓 - 電源，單路/雙路(±)： | 4.75 V ~ 16 V，±2.38 V ~ 8 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 16-SO |
| 包裝： | 帶卷 (TR) |
11
LTC1051/LTC1053
10513fa
–
+
–
+
–
+
A
B
1/2
LTC1051
1/2
LTC1051
A1
R1
R2
1
2
3
OUT
R3
R4
R5
C1
C2
5
6
7
8
5V
+
–
1051/53 AC01a
A1
R1
R2
R3
R4
R5
C1
C2
eOUT(DC – 1Hz)**
eOUT(DC – 10Hz)**
LT1007
3k
2k
340k
10k
100k
0.01F
0.001F
0.1VP-P
0.15VP-P
LT1012*
750
57
250k
10k
100k
0.01F
0.001F
0.3VP-P
0.4VP-P
Obtaining Ultralow VOS Drift and Low Noise
The dual chopper op amp buffers the inputs of A1 and
corrects its offset voltage and offset voltage drift. With the
R, C values shown, the power-up warm up time is typically
20 seconds. The step response of the composite amplifier
does not present settling tails. The LT1007 should be used
when extremely low noise; VOS and VOS drift are sought
when the input source resistance is low—for instance a
350 strain gauge bridge. The LT1012 or equivalent
should be used when low bias current (100pA) is also
required in conjunction with DC to 10Hz low noise and low
VOS and VOS drift. The measured typical input offset
voltages were less than 2V.
VS = ±5V
DC TO 10Hz
NOISE
1 SEC/DIV
0.2
V/DIV
1051/53 AC01b
DC TO 1Hz
NOISE
LTC1051/LT1007 Peak-to-Peak Noise
TYPICAL APPLICATIO S
U
* Interchange connections A and B .
** Noise measured in a 10 sec window. Peak-to-peak noise was also measured for 10 continuous minutes: With the LT1007 op amp the recorded noise was less than 0.2VP-P for both DC-1Hz
and DC-10Hz.
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