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参数资料
| 型号： | LT1124AIS8-1#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP DUAL PREC HS LN 8SOIC |
| 标准包装： | 100 |
| 放大器类型： | 通用 |
| 电路数： | 2 |
| 转换速率： | 4.5 V/µs |
| 增益带宽积： | 12.5MHz |
| 电流 - 输入偏压： | 5nA |
| 电压 - 输入偏移： | 20µV |
| 电流 - 电源： | 2.3mA |
| 电压 - 电源，单路/双路(±)： | ±4 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 管件 |
LT1124/LT1125
12
11245ff
For more information www.linear.com/LT1124
perForMance coMparison
Typical applicaTions
–
+
OUTPUT
1124/25 TA03
365
1%
INPUT
15k
5%
340k
1%
20k
TRIM
15V
1/2 LT1124
–15V
RN60C FILM RESISTORS
THE HIGH GAIN AND WIDE BANDWIDTH OF THE LT1124/LT1125, IS USEFUL IN LOW
FREQUENCY HIGH CLOSED-LOOP GAIN AMPLIFIER APPLICATIONS. A TYPICAL
PRECISION OP AMP MAY HAVE AN OPEN-LOOP GAIN OF ONE MILLION WITH 500kHz
BANDWIDTH. AS THE GAIN ERROR PLOT SHOWS, THIS DEVICE IS CAPABLE OF 0.1%
AMPLIFYING ACCURACY UP TO 0.3Hz ONLY. EVEN INSTRUMENTATION RANGE
SIGNALS CAN VARY AT A FASTER RATE. THE LT1124/LT1125 “GAIN PRECISION —
BANDWIDTH PRODUCT” IS 75 TIMES HIGHER, AS SHOWN.
FREQUENCY (Hz)
GAIN
ERROR
(PERCENT)
0.01
0.1
1.0
0.1
10
100
1124/25 TA04
0.001
1
GAIN ERROR = CLOSED-LOOP GAIN
OPEN-LOOP GAIN
TYPICAL
PRECISION
OP AMP
LT1124/LT1125
Gain 1000 Amplifier with 0.01% Accuracy, DC to 1Hz
Gain Error vs Frequency Closed-Loop Gain = 1000
Table2summarizestheperformanceoftheLT1124/LT1125
compared to the low cost grades of alternate approaches.
The comparison shows how the specs of the LT1124/
LT1125 not only stand up to the industry standard OP-27,
but in most cases are superior. Normally dual and quad
performance is degraded when compared to singles, for
the LT1124/LT1125 this is not the case.
Table 2. Guaranteed Performance, VS = ±15V, TA = 25°C, Low Cost Devices
PARAMETER/UNITS
LT1124CN8
LT1125CN
OP-27 GP
OP-270 GP
OP-470 GP
UNITS
Voltage Noise, 1kHz
4.2
100% Tested
4.5
Sample Tested
–
No Limit
5.0
Sample Tested
nV/√Hz
Slew Rate
2.7
100% Tested
1.7
Not Tested
1.7
1.4
V/s
Gain-Bandwidth Product
8.0
100% Tested
5.0
Not Tested
–
No Limit
–
No Limit
MHz
Offset Voltage
LT1124
LT1125
100
140
100
–
250
–
1000
V
Offset Current
LT1124
LT1125
20
30
75
–
20
–
30
nA
Bias Current
30
80
60
nA
Supply Current/Amp
2.75
5.67
3.25
2.75
mA
Voltage Gain, RL = 2k
1.5
0.7
0.35
0.4
V/V
Common Mode Rejection Ratio
106
100
90
100
dB
Power Supply Rejection Ratio
110
94
104
105
dB
SO-8 Package
Yes – LT1124
Yes
No
–
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相关代理商/技术参数 |
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| LT1124AMPS8#PBF | 功能描述:IC OPAMP DUAL PREC HS LN 8-SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:Excalibur™ 放大器类型:J-FET 电路数:1 输出类型:- 转换速率:45 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:20pA 电压 - 输入偏移:490µV 电流 - 电源:1.7mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:带卷 (TR) |
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