參數(shù)資料
型號： OPA689P
元件分類： 運(yùn)動控制電子
英文描述： Wideband, High Gain VOLTAGE LIMITING AMPLIFIER
中文描述： 寬帶，高增益電壓限幅放大器
文件頁數(shù)： 1/16頁
文件大?。?/td> 175K
代理商： OPA689P
Printed in U.S.A. January, 2000
1997 Burr-Brown Corporation
PDS-1409D
OPA689
Wideband, High Gain
VOLTAGE LIMITING AMPLIFIER
FEATURES
G
HIGH LINEARITY NEAR LIMITING
G
FAST RECOVERY FROM OVERDRIVE: 2.4ns
G
LIMITING VOLTAGE ACCURACY:
±
15mV
G
–3dB BANDWIDTH (G = +6): 280MHz
G
STABLE FOR G
≥
+4
G
SLEW RATE: 1600V/
μ
s
G
±
5V AND +5V SUPPLY OPERATION
G
LOW GAIN VERSION: OPA688
OPA689
OPA689
APPLICATIONS
G
TRANSIMPEDANCE WITH FAST
OVERDRIVE RECOVERY
G
FAST LIMITING ADC INPUT DRIVER
G
LOW PROP DELAY COMPARATOR
G
NON-LINEAR ANALOG SIGNAL
PROCESSING
G
DIFFERENCE AMPLIFIER
G
IF LIMITING AMPLIFIER
G
AM SIGNAL GENERATION
DESCRIPTION
The OPA689 is a wideband, voltage feedback op amp
that offers bipolar output voltage limiting, and is stable
for gains
≥
+4. Two buffered limiting voltages take
control of the output when it attempts to drive beyond
these limits. This new output limiting architecture holds
the limiter offset error to
±
15mV. The op amp operates
linearly to within 30mV of the limits.
The combination of narrow nonlinear range and low
limiting offset allows the limiting voltages to be set within
100mV of the desired linear output range. A fast 2.4ns
recovery from limiting ensures that overdrive signals will
be transparent to the signal channel. Implementing the
limiting function at the output, as opposed to the input,
gives the specified limiting accuracy for any gain, and
allows the OPA689 to be used in all standard op amp
applications.
Non-linear analog signal processing circuits will benefit
from the OPA689’s sharp transition from linear operation
to output limiting. The quick recovery time supports high
speed applications.
The OPA689 is available in an industry-standard pinout
in PDIP-8 and SO-8 packages. For lower gain applica-
tions requiring output limiting with fast recovery, con-
sider the OPA688.
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
LIMITED OUTPUT RESPONSE
V
IN
V
O
Time (200ns/div)
I
G = +6
V
H
= 2.0V
V
L
= –2.0V
2.10
2.05
2.00
1.95
1.90
1.85
1.80
1.75
1.70
1.65
1.60
DETAIL OF LIMITED OUTPUT VOLTAGE
Time (50ns/div)
V
O
I
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111
Twx: 910-952-1111 Internet: http://www.burr-brown.com/ Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
For most current data sheet and other product
information, visit www.burr-brown.com
相關(guān)PDF資料
PDF描述
OPA689 Wideband, High Gain VOLTAGE LIMITING AMPLIFIER
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OPA693IDR Ultra-Wideband, Fixed Gain Video BUFFER AMPLIFIER with Disable
OPA693 Ultra-Wideband, Fixed Gain Video BUFFER AMPLIFIER with Disable
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
OPA689U 制造商:BB 制造商全稱:BB 功能描述:EVALUATION FIXTURE
OPA689U/2K5 制造商:Rochester Electronics LLC 功能描述:OP AMP WIDEBAND VOLT LIMITING - Bulk 制造商:Texas Instruments 功能描述:
OPA690 制造商:BB 制造商全稱:BB 功能描述:Low-Power, Single-Supply, Wideband Operational Amplifier
OPA690ID 功能描述:高速運(yùn)算放大器 Wideband Voltage Feeback RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
OPA690ID 制造商:Texas Instruments 功能描述:IC SM OP-AMP WIDEBAND VFB
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