参数资料
| 型号： | LTC1053CSW#TR |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP CHOPR-STBL QUAD 18SOIC |
| 标准包装： | 1,000 |
| 放大器类型： | 断路器（零漂移） |
| 电路数： | 4 |
| 转换速率： | 4 V/µs |
| 增益带宽积： | 2.5MHz |
| 电流 - 输入偏压： | 15pA |
| 电压 - 输入偏移： | 0.5µV |
| 电流 - 电源： | 1mA |
| 电压 - 电源，单路/双路(±)： | 4.75 V ~ 16 V，±2.38 V ~ 8 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 18-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 18-SO |
| 包装： | 带卷 (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.
相关PDF资料 |
PDF描述 |
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