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OPA2674IDR

更新时间： 2024-11-27 22:00:55
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30页 470K
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Dual Wideband, High Output Current Operational Amplifier with Current Limit

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OPA2674IDR 数据手册

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OPA2674  
SBOS270 − AUGUST 2003  
Dual Wideband, High Output Current  
Operational Amplifier with Current Limit  
FD EATURES  
DESCRIPTION  
WIDEBAND +12V OPERATION: 220MHz (G = +4)  
UNITY-GAIN STABLE: 250MHz (G = +1)  
HIGH OUTPUT CURRENT: 500mA  
The OPA2674 provides the high output current and low  
distortion required in emerging xDSL and Power Line  
Modem driver applications. Operating on a single +12V  
supply, the OPA2674 consumes a low 9mA/ch quiescent  
current to deliver a very high 500mA output current. This  
output current supports even the most demanding ADSL  
CPE requirements with > 380mA minimum output current  
(+25°C minimum value) with low harmonic distortion.  
Differential driver applications deliver < −85dBc distortion  
at the peak upstream power levels of full rate ADSL. The  
high 200MHz bandwidth also supports the most  
demanding VDSL line driver requirements.  
D
D
D
D
D
D
D
OUTPUT VOLTAGE SWING: 10V  
HIGH SLEW RATE: 2000V/µs  
LOW SUPPLY CURRENT: 18mA  
FLEXIBLE POWER CONTROL: SO-14 Only  
OUTPUT CURRENT LIMIT ( 800mA)  
PP  
AD PPLICATIONS  
POWER LINE MODEM  
Power control features are included in the SO-14 package  
version to allow system power to be minimized. Two logic  
control lines allow four quiescent power settings. These  
include full power, power cutback for short loops, idle state  
for no signal transmission but line match maintenance,  
and shutdown for power off with a high impedance output.  
D
D
D
D
D
D
xDSL LINE DRIVERS  
CABLE MODEM DRIVERS  
MATCHED I/Q CHANNEL AMPLIFIERS  
BROADBAND VIDEO LINE DRIVERS  
ARB LINE DRIVERS  
Specified on 6V supplies (to support +12V operation), the  
OPA2674 will also support a single +5V or dual 5V  
supply. Video applications will benefit from a very high  
output current to drive up to 10 parallel video loads (15Ω)  
with < 0.1%/0.1° dG/dP nonlinearity.  
HIGH CAP LOAD DRIVER  
OPA2674 RELATED PRODUCTS  
SINGLES  
OPA691  
DUALS  
OPA2691  
THS6042  
OPA2677  
TRIPLES  
OPA3691  
NOTES  
Single +12V Capable  
15V Capable  
Single +12V Capable  
+12V  
Ω
20  
1/2  
O PA2674  
Ω
Ω
17.4  
Ω
324  
1:1.7  
µ
1 F  
Ω
Ω
2k  
2k  
+6.0V  
Ω
100  
AFE  
Output  
2VPP  
17.7VPP  
17.4  
15VPP  
Twisted Pair  
Ω
82.5  
Ω
324  
1/2  
O PA2674  
Ω
20  
Single−Supply CPE Upstream Driver  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments  
semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
ꢀꢁ ꢂ ꢃꢄ ꢅ ꢆꢇ ꢂꢈ ꢃ ꢉꢆꢉ ꢊꢋ ꢌꢍ ꢎ ꢏꢐ ꢑꢊꢍꢋ ꢊꢒ ꢓꢔ ꢎ ꢎ ꢕꢋꢑ ꢐꢒ ꢍꢌ ꢖꢔꢗ ꢘꢊꢓ ꢐꢑꢊ ꢍꢋ ꢙꢐ ꢑꢕꢚ ꢀꢎ ꢍꢙꢔ ꢓꢑꢒ  
ꢓ ꢍꢋ ꢌꢍꢎ ꢏ ꢑꢍ ꢒ ꢖꢕ ꢓ ꢊ ꢌꢊ ꢓ ꢐ ꢑꢊ ꢍꢋꢒ ꢖ ꢕꢎ ꢑꢛꢕ ꢑꢕ ꢎ ꢏꢒ ꢍꢌ ꢆꢕꢜ ꢐꢒ ꢇꢋꢒ ꢑꢎ ꢔꢏ ꢕꢋꢑ ꢒ ꢒꢑ ꢐꢋꢙ ꢐꢎ ꢙ ꢝ ꢐꢎ ꢎ ꢐ ꢋꢑꢞꢚ  
ꢀꢎ ꢍ ꢙꢔꢓ ꢑ ꢊꢍ ꢋ ꢖꢎ ꢍ ꢓ ꢕ ꢒ ꢒ ꢊꢋ ꢟ ꢙꢍ ꢕ ꢒ ꢋꢍꢑ ꢋꢕ ꢓꢕ ꢒꢒ ꢐꢎ ꢊꢘ ꢞ ꢊꢋꢓ ꢘꢔꢙ ꢕ ꢑꢕ ꢒꢑꢊ ꢋꢟ ꢍꢌ ꢐꢘ ꢘ ꢖꢐ ꢎ ꢐꢏ ꢕꢑꢕ ꢎ ꢒꢚ  
Copyright 2003, Texas Instruments Incorporated  
www.ti.com  
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