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NJM2726
ULTRA HIGH SPEED SINGLE OPERATIONAL AMPLIFIER
GENERAL DESCRIPTION The NJM2726 is a high speed voltage feedback amplifier. It provides a very high slew rate at 500V/s. On a single 5V supply the output swings from 0.3V to 3.8V with a 500 load connect to 2.5V reference. It is suitable for high speed differential signal processing. NJM2726F PACKAGE OUTLINE
FEATURES Operating Voltage Operating Current High Slew Rate Unity Gain Bandwidth Input Offset Voltage Output Voltage Bipolar Technology Package Outline PIN CONFIGURATION NJM2726F (Top View)
(2.25 to 2.75V) (16mA typ. at V+/V-=2.5V) (500V/s typ.) (150MHz typ.) (2mV typ.) (VOH : +1.3V typ. at V+/V-=2.5V, RL=500) (VOL : -2.2V typ. at V+/V-=2.5V, RL=500) MTP-5
OUT V+INPUT
1 2 3
5
V+
4
-INPUT
PIN FUNCTION 1.OUTPUT 2.V3.+INPUT 4.-INPUT 5. V+
Ver.2003-11-17
-1-
NJM2726
ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Supply Voltage V+/V Differential Input Voltage VID Input Voltage VIC Power Dissipation PD Operating Temperature Range Topr Storage Temperature Range Tstg (Note) On glass epoxy board (76.2x114.3x1.6mm) RECOMMENDED OPERATING CONDITION PARAMETER SYMBOL Operating Voltage Range DC CHARACTERISTICS PARAMETER Operating Current Input Offset Voltage Input Bias Current Input Offset Current Open Loop Voltage Gain Input Common Mode Voltage Range Common Mode Rejection Supply Voltage Rejection Output Voltage AC CHARACTERISTICS PARAMETER Unity Gain Bandwidth Phase Margin SYMBOL fT M TEST CONDITION Av=40dB,Rg=20,Rf=1.98kRL =,CL=5pF Av=40dB,Rg=20,Rf=1.98kRL =,CL=5pF V /V
+ -
RATINGS 3 3 3 480(Note) -40 to +85 -50 to +150
(Ta=25C) UNIT V V V mW C C
TEST CONDITION
MIN 2.25
( Ta=25C) TYP MAX UNIT 2.5 2.75 V
SYMBOL ICC VIO IB IIO Av VICM CMR SVR VOH VOL
TEST CONDITION No Signal
( V+/V -=2.5V, Ta=25C) MIN TYP MAX UNIT 40 1.6 -1.2 16 2 15 200 50 1.8 -1.3 80 60 1.3 -2.2 24 16 50 950 mA mV A nA dB V dB dB V
RL=2k
-1VVCM+1V 2.25VV +/V-2.75V RL=500 RL=500
60 50 1.1 -2
( V+/V -=2.5V, Ta=25C) MIN TYP 150 60 MAX UNIT MHz deg
TRANSIENT CHARACTERISTICS PARAMETER Slew Rate SYMBOL SR TEST CONDITION Av=0dB,Rf=0,Rg= RL=500,CL=1.5pF
( V+/V -=2.5V, Ta=25C) MIN TYP 500 MAX UNIT V/s
-2-
Ver.2003-11-17
NJM2726
Note: Non-inverting amplifier 1.Unity gain follower application may cause the oscillation. Recommended the total load capacitance is less than 3pF. 2.When the closed gain is lower than 20dB, place a compensation capacitor (CF: recommended from 1pF to 5pF), in parallel with the feedback resistor RF to avoid oscillation. 3.Recommended feedback resistor is less than 2k-ohom to keep the flatness of the frequency response. 4.Minimize the load capacitor for the better performance. A large load capacitor CL reduces the frequency response and causes oscillation or ringing. Inverting amplifier 1.When the closed gain is lower than 20dB, place a compensation capacitor (CF; recommended more than 1pF), in parallel with the feedback resistor RF to avoid oscillation. 2.Minimize the feedback resistor to keep the frequency response and the slew rate. (Recommended about 2k-ohom) The proper compensation capacitor CF can counteract oscillation even with a large feedback resistor RF. 3.Total load capacitance should be not more than 10pF. The oscillation margin may be affected by the total load capacitance.
[CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.
Ver.2003-11-17
-3-

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