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參數資料
| 型號： | LT1125AMJ |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Dual/Quad Low Noise, High Speed Precision Op Amps |
| 中文描述： | QUAD OP-AMP, 190 uV OFFSET-MAX, 12.5 MHz BAND WIDTH, CDIP14 |
| 封裝： | 0.300 INCH, HERMETIC SEALED, CERAMIC, DIP-14 |
| 文件頁數： | 8/16頁 |
| 文件大小： | 227K |
| 代理商： | LT1125AMJ |
8
LT1124/LT1125
U
S
A
The LT1124 may be inserted directly into OP-270 sockets.
The LT1125 plugs into OP-470 sockets. Of course, all
standard dual and quad bipolar op amps can also be
replaced by these devices.
O
PPLICATI
U
U
Matching Specifications
In many applications the performance of a system de-
pends on the matching between two op amps, rather than
the individual characteristics of the two devices. The three
op amp instrumentation amplifier configuration shown in
this data sheet is an example. Matching characteristics are
not 100% tested on the LT1124/LT1125.
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. 112dB (= 2.5
μ
V/V)
CMRR means that worst case CMRR match is 106dB
Table 1. Expected Match
LT1124AC/AM
LT1125AC/AM
LT1124C/M
LT1125C/M
PARAMETER
V
OS
Match,
V
OS
LT1124
LT1125
Temperature Coefficient Match
Average Noninverting I
B
Match of Noninverting I
B
CMRR Match
PSRR Match
50% YIELD
20
30
0.35
6
7
126
127
98% YIELD
110
150
1.0
18
22
115
118
50% YIELD
30
50
0.5
7
8
123
127
98% YIELD
130
180
1.5
25
30
112
114
UNITS
μ
V
μ
V
μ
V/
°
C
nA
nA
dB
dB
Figure 1. Test Circuit for Offset Voltage
and Offset Voltage Drift with Temperature
–
+
100
*
50k*
50k*
15V
–15V
V
OUT
V
OUT
= 1000V
OS
*RESISTORS MUST HAVE LOW
THERMOELECTRIC POTENTIAL
1124/25 F01
(5
μ
V/V). However, Table 1 can be used to estimate the
expected matching performance between the two sides of
the LT1124, and between amplifiers A and D, and between
amplifiers B and C of the LT1125.
Offset Voltage and Drift
Thermocouple effects, caused by temperature gradients
across dissimilar metals at the contacts to the input
terminals, can exceed the inherent drift of the amplifier
unless proper care is exercised. Air currents should be
minimized, package leads should be short, the two input
leads should be close together and maintained at the same
temperature.
The circuit shown in Figure 1 to measure offset voltage is
also used as the burn-in configuration for the LT1124/
LT1125, with the supply voltages increased to
±
16V.
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相關代理商/技術參數 |
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|---|---|
| LT1125AMJ/883C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| LT1125C | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual/Quad Low Noise, High Speed Precision Op Amps |
| LT1125CJ | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual/Quad Low Noise, High Speed Precision Op Amps |
| LT1125CN | 功能描述:IC OP-AMP LOW NOISE QUAD 14-DIP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:150 系列:- 放大器類型:音頻 電路數:2 輸出類型:- 轉換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:8-TSSOP 包裝:管件 |
| LT1125CN#PBF | 功能描述:IC OP-AMP LOW NOISE QUAD 14-DIP 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:4 輸出類型:- 轉換速率: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） 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
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