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Now downloading free:SGS-Thomson LM2904

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File name:lm2904.pdf
[preview LM2904]
Size:153 kB
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Mfg:SGS-Thomson
Model:LM2904 🔎
Original:LM2904 🔎
Descr:Low power dual operational amplifiers
Group:Electronics > Components > Integrated circuits
Uploaded:09-03-2004
User:plamensl
Multipart:No multipart

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File name lm2904.pdf

LM2904 LOW POWER DUAL OPERATIONAL AMPLIFIERS . . . . . . . . . INTERNALLY FREQUENCY COMPENSATED LARGE DC VOLTAGE GAIN : 100dB WIDE BANDWIDTH (unity gain) : 1.1MHz (temperature compensated) VERY LOW SUPPLY CURRENT/AMPLI (500µA) - ESSENTIALLY INDEPENDENT OF SUPPLY VOLTAGE LOW INPUT BIAS CURRENT : 20nA (temperature compensated) LOW INPUT OFFSET CURRENT : 2nA INPUT COMMON-MODE VOLTAGE RANGE INCLUDES GROUND DIFFERENTIAL INPUT VOLTAGE RANGE EQUAL TO THE POWER SUPPLY VOLTAGE LARGE OUTPUT VOLTAGE SWING 0V TO (VCC ­ 1.5V) N DIP8 (Plastic Package) D SO8 (Plastic Micropackage) ORDER CODES Part Number LM2904 Temperature Range ­40oC, +125oC Package · · 2904-01.TBL 2904-01.EPS N D DESCRIPTION This circuit consists of two independent, high gain, internally frequency compensated which were designed specifically to operate from a single power supply over a wide range of voltages. The low power supply drain is independent of the magnitude of the power supply voltage. Application areas include transducer amplifiers, dc gain blocks and all the conventionalop-amp circuits which now can be more easilyimplemented in single power supply systems. For example, these circuits canbe directly operatedoff the standard+ 5V power supply voltage which is used in logic systems and will easily provide the required interface electronics without requiring any additional power supply. In the linear mode the input common-mode voltage range includes ground and the output voltage can also swing to ground, even though operated from only a single power supply voltage. The gain-bandwidth product is temperature compensated. October 1994 Example : LM2904D PIN CONNECTIONS (top views) 1 2 3 4 + + 8 7 6 5 1 - Output 1 2 - Inverting input 1 3 - Non-inverting input 1 4 - V CC 5 6 7 8 - Non-inverting input 2 - Inverting input 2 - Ouput 2 - VCC+ 1/11 LM2904 SCHEMATIC DIAGRAM (1/2 LM2904) V CC 6µA 4µA CC 100µA Q5 Q6 Inverting input Q2 Q1 Q3 Q4 Q11 Output Q13 Q10 Q12 Q7 R SC Non-inverting input Q8 Q9 50µA GND ABSOLUTE MAXIMUM RATINGS Symbol VCC Vi Vid Ptot Iin Toper Tstg Supply Voltage Input Voltage Differential Input Voltage Output Short-circuit Duration - (note 2) Power Dissipation Input Current - (note 1) Operating Free-air Temperature Range Storage Temperature Range Parameter Value +32 ­0.3 to +32 +32 Infinite 500 50 ­40 to +125 ­65 to +150 mW mA o o Unit V V V C C 2/11 2904-02.TBL 2904-02.EPS LM2904 ELECTRICAL CHARACTERISTICS VCC+ = +5V, VCC­ = Ground, VO = 1.4V, Tamb = 25oC (unless otherwise specified) Symbol Vio Iio Iib Avd Parameter Input Offset Voltage - (note 3) Tamb = 25oC Tmin. Tamb Tmax. Input Offset Current o Tamb = 25 C Tmin. Tamb Tmax. Input Bias Current - (note 4) o Tamb = 25 C Tmin. Tamb Tmax. Large Signal Voltage Gain (VCC = +15V, RL = 2k, VO = 1.4V to 11.4V) o Tamb = 25 C Tmin. Tamb Tmax. Supply Voltage Rejection Ratio (R S = 10k) (VCC+ = 5 to 30V) Tamb = 25oC Tmin. Tamb Tmax. Supply Current, all Amp, no Load VCC = +5V, Tmin. Tamb Tmax

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