TL084, TL084A, TL084B General purpose JFET quad operational amplifiers Datasheet — production data Features ■ Wide common-mode (up to VCC+) and differential voltage range ■ Low input bias and offset current ■ Output short-circuit protection ■ High input impedance JFET input stage ■ Internal frequency compensation ■ Latch up free operation ■ High slew rate: 16 V/µs (typical) N DIP14 (Plastic package) D TSSOP14 (Thin shrink small outline package) Description The TL084, TL084A, and TL084B are
Contents TL084, TL084A, TL084B Contents 1 Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 4 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 Parameter measurement information . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5 Typical applications . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TL084, TL084A, TL084B Schematic diagram 1 Schematic diagram Figure 1. Circuit schematics (for each amplifier) VC C N o n- inve r ting input I nverting input 1 0 0Ω 2 0 0Ω Output 1 0 0Ω 30k 8.2k 1.3k 35k 1.
Absolute maximum ratings and operating conditions 2 TL084, TL084A, TL084B Absolute maximum ratings and operating conditions Table 1.
TL084, TL084A, TL084B Table 2.
Electrical characteristics TL084, TL084A, TL084B 3 Electrical characteristics Table 3. VCC = ±15 V, Tamb = +25 °C (unless otherwise specified) TL084I/AI/AC/BI/BC Symbol Unit Min. Vio ΔVio/ΔT TL084C Parameter Input offset voltage (Rs = 50 Ω) Tamb = +25 °C TL084 Tamb = +25 °C TL084A Tamb = +25 °C TL084B Tmin ≤ Tamb ≤ Tmax TL084 Tmin ≤ Tamb ≤ Tmax TL084A Tmin ≤ Tamb ≤ Tmax TL084B Typ. Max. 3 3 1 10 6 3 13 7 5 Min. Typ. Max.
TL084, TL084A, TL084B Table 3. Electrical characteristics VCC = ±15 V, Tamb = +25 °C (unless otherwise specified) (continued) TL084I/AI/AC/BI/BC Symbol TL084C Parameter Unit Min. Typ. Max. Min. Typ. Max. tr Rise time Vin = 20 mV, RL = 2 kΩ, CL = 100 pF, unity gain 0.1 0.1 μs Kov Overshoot Vin = 20 mV, RL = 2 kΩ, CL = 100 pF, unity gain 10 10 % 4 MHz GBP Ri THD Gain bandwidth product Vin = 10 mV, RL = 2 kΩ, CL = 100 pF, F= 100 kHz 2.5 4 2.
Electrical characteristics TL084, TL084A, TL084B Maximum peak-to-peak output voltage vs. frequency (RL = 2 kΩ) Figure 3. Maximum peak-to-peak output voltage vs. frequency (RL = 10 kΩ) Figure 4. Maximum peak-to-peak output voltage vs. frequency and temp. Figure 5. Maximum peak-to-peak output voltage vs. free air temp. Figure 6. Maximum peak-to-peak output voltage vs. load resistance Figure 7. Maximum peak-to-peak output voltage vs.
TL084, TL084A, TL084B Figure 8. Electrical characteristics Input bias current vs. free air temp. Figure 9. 100 1000 15V DIFFERENTIAL VOLTAGE AMPLIFICATION (V/mV) INPUT BIAS C UR R E NT (nA) VCC = 10 1 0.1 0.01 -50 Large signal differential voltage amplification vs. free air temp. -25 0 25 50 75 100 400 200 100 40 20 10 V CC = 15V V O = 10V 4 2 1 125 R L = 2k Ω -75 -50 -25 TEMPERATURE (˚C ) 0 25 50 75 125 100 TEMPERATURE (˚C) Figure 11.
Electrical characteristics TL084, TL084A, TL084B Figure 14. Common mode rejection ratio vs. free air temp. Figure 15. Voltage follower large signal pulse response C OMMON MODE MODE R E JE C T ION R ATIO (dB) 89 R L = 1 0 kΩ V C C = 1 5V 88 87 86 85 84 83 -75 -50 -25 0 25 50 75 100 125 TEMPERATURE (˚C ) Figure 16. Output voltage vs. elapsed time Figure 17. Equivalent input noise voltage vs. frequency 70 28 20 90% 16 12 8 V C C = 15V 4 R L = 2k Ω Tamb = +25˚C 10% 0 tr -4 0 0.1 0.
TL084, TL084A, TL084B 4 Parameter measurement information Parameter measurement information Figure 19. Voltage follower Figure 20.
Typical applications 5 TL084, TL084A, TL084B Typical applications Figure 21. Audio distribution amplifier fO = 1 00 kH z 1M Ω 1 /4 T L 0 84 Output A 1 /4 T L084 Output B 1 /4 T L 0 84 Output C 1 /4 T L 0 84 1 μF - Input 100k Ω 100k Ω 100k Ω 1OO μF V C C+ - 100k Ω Figure 22. Positive feeback bandpass filter 16k Ω 16k Ω 2 2 0 pF 2 2 0 pF 43k Ω Input 43k Ω 43 k Ω 30k Ω 2 2 0 pF 1/4 T L 084 43k Ω 2 2 0 pF 43 k Ω 1/4 T L 084 1 .5 k Ω 1 .
TL084, TL084A, TL084B Figure 23. Output A Typical applications Figure 24.
Package information 6 TL084, TL084A, TL084B Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. 6.1 DIP14 package information Figure 25. DIP14 package mechanical drawing Table 4. DIP14 package mechanical data Dimensions Ref. Millimeters Min. a1 0.
TL084, TL084A, TL084B 6.2 Package information TSSOP14 package information Figure 26. TSSOP14 package mechanical drawing A A2 A1 K e b L c E D E1 PIN 1 IDENTIFICATION 1 Figure 27. TSSOP14 package mechanical data Millimeters Inches Ref. Min. Typ. A Max. Min. Typ. 1.2 A1 0.05 A2 0.8 b Max. 0.047 0.15 0.002 0.004 0.006 1.05 0.031 0.039 0.041 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0089 D 4.9 5 5.1 0.193 0.197 0.201 E 6.2 6.4 6.6 0.244 0.252 0.
Package information 6.3 TL084, TL084A, TL084B SO-14 package information Figure 28. SO-14 package mechanical drawing Table 5. SO-14 package mechanical data Dimensions Millimeters Inches Ref. Min. Typ. Max. Min. Max. A 1.35 1.75 0.05 0.068 A1 0.10 0.25 0.004 0.009 A2 1.10 1.65 0.04 0.06 B 0.33 0.51 0.01 0.02 C 0.19 0.25 0.007 0.009 D 8.55 8.75 0.33 0.34 E 3.80 4.0 0.15 0.15 e 1.27 0.05 H 5.80 6.20 0.22 0.24 h 0.25 0.50 0.009 0.02 L 0.40 1.27 0.
TL084, TL084A, TL084B 7 Ordering information Ordering information Table 6.
Revision history 8 TL084, TL084A, TL084B Revision history Table 7. Document revision history Date Revision 28-Mar-2001 1 Initial release. 30-Jul-2007 2 Added values for Rthja, Rthjc and ESD in Table 1: Absolute maximum ratings. Added Table 2: Operating conditions. Expanded Table 6: Order codes. Template update. 15-Jul-2008 3 Removed information concerning military temperature ranges (TL084Mx, TL084AMx, TL084BMx). Added automotive grade order codes in Table 6: Order codes.
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