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參數(shù)資料
| 型號(hào)： | OP279GP |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Rail-to-Rail High Output Current Operational Amplifiers |
| 中文描述： | DUAL OP-AMP, 4000 uV OFFSET-MAX, 5 MHz BAND WIDTH, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁(yè)數(shù)： | 10/16頁(yè) |
| 文件大?。?/td> | 228K |
| 代理商： | OP279GP |
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OP179/OP279
–10–
REV. F
6.2V
6.2V
TRANSMIT
TXA
RECEIVE
RXA
C1
0.1
m
F
R1
10k
V
R2
9.09k
V
2k
V
P1
TX GAIN
ADJUST
A1
A2
A3
A4
A1, A2 = 1/2 OP279
A3, A4 = 1/2 OP279
R3
55
V
R4
55
V
1:1
T1
TO TELEPHONE
LINE
1
2
3
7
6
5
2
3
1
6
5
7
10
m
F
R7
10k
V
R8
10k
V
R5
10k
V
R6
10k
V
R9
10k
V
R14
9.09k
V
R10
10k
V
R11
10k
V
R12
10k
V
R13
10k
V
C2
0.1
m
F
P2
RX GAIN
ADJUST
2k
V
Z
O
110
V
+5V DC
Figure 31. A Single Supply Direct Access Arrangement for
Modems
A Single Supply, Remote Strain Gage Signal Conditioner
The circuit in Figure 32 illustrates a way by which the OP179/
OP279 can be used in a +12 V single supply, 350
strain gage
signal conditioning circuit. In this circuit, the OP179/OP279
serves two functions: (1) By servoing the output of the REF43’s
+2.5 V output across R1, it provides a 20 mA drive to the 350
strain gage. In this way, small changes in the strain gage pro-
duce large differential output voltages across the AMP04’s in-
puts. (2) To maximize the circuit’s dynamic range, the other
half of the OP179/OP279 is configured as a supply-splitter
connected to the AMP04’s REF terminal. Thus, tension or
compression in the application can be measured by the circuit.
REF43
AMP04
0.1
m
F
2
6
4
+2.5V
3
1
8
4
2
A1
7
1
8
6
3
2
4
C
X
C2
0.1
m
F
R4
1k
V
+12V
5
V
O
80mV/
V
V
COMMON
R1
124
0.1%, LOW TCR
100-ft TWISTED PAIR
BELDEN TYPE 9502
S+
S–
350
STRAIN GAGE
F–
F+
A2
+12V
R2
10k
V
R3
10k
V
C1
10
m
F
7
6
5
+6V
A1, A2 = 1/2 OP279
+12V
20mA DRIVE
Figure 32. A Single Supply, Remote Strain Gage Signal
Conditioner
The AMP04 is configured for a gain of 100, producing a circuit
sensitivity of 80 mV/
. Capacitor C2 is used across the AMP04’s
Pins 8 and 6 to provide a 16-Hz noise filter. If additional noise
filtering is required, an optional capacitor, C
X
, can be used
across the AMP04’s input to provide differential-mode noise
rejection.
A Single Supply, Balanced Line Driver
The circuit in Figure 33 is a unique line driver circuit topology
used in professional audio applications and has been modified
for automotive audio applications. On a single +12 V supply,
the line driver exhibits less than 0.02% distortion into a 600
load across the entire audio band (not shown). For loads greater
than 600
, distortion performance improves to where the cir-
cuit exhibits less than 0.002%. The design is a transformerless,
balanced transmission system where output common-mode
rejection of noise is of paramount importance. Like the trans-
former-based system, either output can be shorted to ground for
unbalanced line driver applications without changing the circuit
gain of 1. Other circuit gains can be set according to the equa-
tion in the diagram. This allows the design to be easily config-
ured for noninverting, inverting, or differential operation.
R
L
600
V
C1
22
m
F
A2
7
6
5
3
1
2
A1
+12V
R1
10k
V
R2
10k
V
R11
10k
V
R7
10k
V
6
7
5
A1
+12V
+12V
R8
100k
V
R9
100k
V
C2
1
m
F
R12
10k
V
R14
50
V
A2
1
2
3
R3
10k
V
R6
10k
V
R13
10k
V
C3
47
m
F
V
O1
V
O2
C4
47
m
F
A1, A2 = 1/2 OP279
GAIN =R2
SET: R7, R10, R11 = R2
SET: R6, R12, R13 = R3
V
IN
R5
50
V
Figure 33. A Single Supply, Balanced Line Driver for
Automotive Applications
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OP279GRU | 制造商:AD 制造商全稱:Analog Devices 功能描述:Rail-to-Rail High Output Current Operational Amplifiers |
| OP279GRU-REEL | 制造商:Analog Devices 功能描述:OP Amp Dual GP R-R I/O 制造商:Rochester Electronics LLC 功能描述:RAIL-RAIL HI OUTPUT OPAMP - Tape and Reel |
| OP279GRUZ-REEL | 功能描述:IC OPAMP GP R-R 5MHZ DUAL 8TSSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓(xùn)模塊:Differential Circuit Design Techniques for Communication Applications 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤(pán)，CSP 供應(yīng)商設(shè)備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
| OP279GS | 功能描述:IC OPAMP GP R-R 5MHZ DUAL 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:0.2 V/µs 增益帶寬積:- -3db帶寬:- 電流 - 輸入偏壓:100pA 電壓 - 輸入偏移:30µV 電流 - 電源:380µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):±2 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:管件 |
| OP279GS-REEL | 功能描述:IC OPAMP GP R-R 5MHZ DUAL 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR) |
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