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參數(shù)資料
| 型號(hào)： | LT1124I |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Dual/Quad Low Noise, High Speed Precision Op Amps |
| 中文描述： | 雙/四低噪聲，高速精密運(yùn)算放大器 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大小： | 227K |
| 代理商： | LT1124I |
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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1124M | Octal Buffers/Drivers With 3-State Outputs 20-SOIC 0 to 70 |
| LT1125AM | Dual/Quad Low Noise, High Speed Precision Op Amps |
| LT1125AMJ | Dual/Quad Low Noise, High Speed Precision Op Amps |
| LT1125C | Dual/Quad Low Noise, High Speed Precision Op Amps |
| LT1125CJ | Dual/Quad Low Noise, High Speed Precision Op Amps |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1124IS8 | 功能描述:IC OPAMP DUAL PREC HS LN 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:73 系列:Over-The-Top® 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.07 V/µs 增益帶寬積:200kHz -3db帶寬:- 電流 - 輸入偏壓:1nA 電壓 - 輸入偏移:285µV 電流 - 電源:50µA 電流 - 輸出 / 通道:25mA 電壓 - 電源，單路/雙路(±):2 V ~ 44 V，±1 V ~ 22 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:16-DFN-EP（5x3） 包裝:管件 |
| LT1124IS8#PBF | 功能描述:IC OPAMP DUAL PREC HS LN 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:73 系列:Over-The-Top® 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.07 V/µs 增益帶寬積:200kHz -3db帶寬:- 電流 - 輸入偏壓:1nA 電壓 - 輸入偏移:285µV 電流 - 電源:50µA 電流 - 輸出 / 通道:25mA 電壓 - 電源，單路/雙路(±):2 V ~ 44 V，±1 V ~ 22 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:16-DFN-EP（5x3） 包裝:管件 |
| LT1124IS8#TR | 功能描述:IC OPAMP DUAL PREC HS LN 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)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 |
| LT1124IS8#TRPBF | 功能描述:IC OPAMP DUAL PREC HS LN 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)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 |
| LT1124IS8-1#PBF | 功能描述:IC OPAMP DUAL PREC HS LN 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)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 |
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