Ciencia

Solo disponible en BuenasTareas
  • Páginas : 5 (1133 palabras )
  • Descarga(s) : 0
  • Publicado : 10 de febrero de 2012
Leer documento completo
Vista previa del texto
www.fairchildsemi.com

LM741

Single Operational Amplifier
Features
• • • • • Short circuit protection Excellent temperature stability Internal frequency compensation High Input voltage range Null of offset

Description
The LM741 series are general purpose operational amplifiers. It is intended for a wide range of analog applications. The high gain and wide range of operating voltageprovide superior performance in intergrator, summing amplifier, and general feedback applications.
8-DIP

1

8-SOP

1

Internal Block Diagram

Rev. 1.0.1
©2001 Fairchild Semiconductor Corporation

LM741

Schematic Diagram

Absolute Maximum Ratings (TA = 25°C)
Parameter Supply Voltage Differential Input Voltage Input Voltage Output Short Circuit Duration Power Dissipation OperatingTemperature Range LM741C LM741I Storage Temperature Range Symbol VCC VI(DIFF) VI PD TOPR TSTG Value ±18 30 ±15 Indefinite 500 0 ~ + 70 -40 ~ +85 -65 ~ + 150 Unit V V V mW °C °C

2

LM741

Electrical Characteristics
(VCC = 15V, VEE = - 15V. TA = 25 °C, unless otherwise specified) Parameter Input Offset Voltage Input Offset Voltage Adjustment Range Input Offset Current Input Bias CurrentInput Resistance (Note1) Input Voltage Range Symbol VIO VIO(R) IIO IBIAS RI VI(R) RL≥2KΩ Large Signal Voltage Gain GV VCC =±20V VCC =±20V, VO(P-P) =±15V VCC =±15V, VO(P-P) =±10V VCC = ±20V Output Voltage Swing VO(P-P) VCC = ±15V RL≥10KΩ RL≥2KΩ RL≥10KΩ RL≥2KΩ Common Mode Rejection Ratio CMRR RS≤10KΩ, VCM = ±12V RS≤50Ω, VCM = ±12V VCC = ±15V to VCC = ±15V RS≤50Ω VCC = ±15V to VCC = ±15V RS≤10KΩ UnityGain Unity Gain RL= ∞Ω VCC = ±20V VCC = ±15V Conditions RS≤10KΩ RS≤50Ω VCC = ±20V LM741C/LM741I Min. 0.3 ±12 20 ±12 ±10 70 77 Typ. 2.0 ±15 20 80 2.0 ±13 200 25 ±14 ±13 90 96 0.3 10 0.5 1.5 50 Max. 6.0 200 500 V/mV dB 2.8 85 µs % MHz V/µs mA mW dB V mA Unit mV mV nA nA MΩ V

Output Short Circuit Current

ISC

Power Supply Rejection Ratio

PSRR

Transient Response Bandwidth Slew RateSupply Current

Rise Time Overshoot

TR OS BW SR ICC PC

Power Consumption
Note: 1. Guaranteed by design.

3

LM741

Electrical Characteristics
( 0°C ≤TA≤70 °C VCC = ±15V, unless otherwise specified) The following specification apply over the range of 0°C ≤ TA ≤ +70 °C for the LM741C; and the -40°C ≤ TA ≤ +85 °C for the LM741I Parameter Input Offset Voltage Input Offset Voltage DriftInput Offset Current Input Offset Current Drift Input Bias Current Input Resistance (Note1) Input Voltage Range Symbol VIO ∆VIO/∆T IIO ∆IIO/∆T IBIAS RI VI(R) VCC =±20V Output Voltage Swing VO(P-P) VCC =±15V Output Short Circuit Current Common Mode Rejection Ratio Power Supply Rejection Ratio ISC CMRR PSRR VCC = ±20V RS≥10KΩ RS≥2KΩ RS≥10KΩ RS≥2KΩ RS≤10KΩ, VCM = ±12V RS≤50Ω, VCM = ±12V VCC = ±20V to±5V RS≤50Ω RS≤10KΩ VCC = ±20V, VO(P-P) = ±15V Large Signal Voltage Gain GV RS≥2KΩ VCC = ±15V, VO(P.P) = ±10V VCC = ±15V, VO(P-P) = ±2V
Note : 1. Guaranteed by design.

Conditions RS≤50Ω RS≤10KΩ -

LM741C/LM741I Min. ±12 ±12 ±10 10 70 77 15 Typ. ±13 ±14 ±13 90 96 0.8 40 300 Max. 7.5

Unit mV µV/ °C nA nA/ °C µA MΩ V

V

mA dB dB

V/mV

4

LM741

Typical Performance CharacteristicsFigure 1. Output Resistance vs Frequency

Figure 2. Input Resistance and Input Capacitance vs Frequency

Figure 3. Input Bias Current vs Ambient Temperature

Figure 4. Power Consumption vs Ambient Temperature

Figure 5. Input Offset Current vs Ambient Temperature

Figure 6. Input Resistance vs Ambient Temperature

5

LM741

Typical Performance Characteristics (continued)Figure 7. Normalized DC Parameters vs Ambient Temperature

Figure 8. Frequency Characteristics vs Ambient Temperature

Figure 9. Frequency Characteristics vs Supply Voltage

Figure 10. Output Short Circuit Current vs Ambient Temperature

Figure 11. Transient Response

Figure 12. Common-Mode Rejection Ratio vs Frequency

6

LM741

Typical Performance Characteristics (continued)...
tracking img