LMV321L, LMV358L, LMV324L

Transcription

1 Low-power, general-purpose operational amplifiers Applications Datasheet - production data SC70-5 MiniSO8 TSSOP14 SOT23-5 SO8 TSSOP8 SO14 Battery-powered applications Portable devices Signal conditioning Active filtering Medical instrumentation Description The LMV321L, LMV358L, and LMV324L are single, dual, and quad operational amplifiers with rail-to-rail output capabilities. They are specifically designed to operate at low voltages (2.7 V to 5 V) with enhanced performances compared to the industry standard LM3xx series. The LMV321L, LMV358L, and LMV324L are offered in tiny packages, allowing the devices to be used in small portable electronic applications and to be placed closer to the actual signal. The LMV321L, LMV358L, and LMV324L are complete cost-effective solutions for application designs where cost is of primary importance. Features Low-power consumption: 250 µa max at 5 V Low offset voltage: 7 mv max at 25 C Industrial temperature range: -40 C to +125 C Low supply voltage: 2.7 V V Gain bandwidth product: 1.3 MHz Tiny packages December 2014 DocID Rev 3 1/21 This is information on a product in full production.

2 Contents LMV321L, LMV358L, LMV324L Contents 1 Package pin connections Absolute maximum ratings and operating conditions Electrical characteristics Application information Operating voltages Input common-mode range Rail-to-rail output Input offset voltage drift over temperature PCB layouts Macromodel Package information SC70-5 (SOT323-5) package information SOT23-5 package information MiniSO8 package information SO8 package information TSSOP8 package information TSSOP14 package information SO14 package information Ordering information Revision history /21 DocID Rev 3

3 Package pin connections 1 Package pin connections Figure 1. Pin connections for each package (top view) In+ 1 5 Vcc+ Out1 1 8 Vcc+ Out2 In2- Vcc- 2 In1- In In- 3 4 Out Vcc- 4 5 In2+ SC70-5/SOT23-5 MiniSO8/SO8/TSSOP8 Out Out In1- In4- In In4+ Vcc Vcc- In In In2- In3- Out2 7 8 Out3 TSSOP14/SO14 DocID Rev 3 3/21 21

4 Absolute maximum ratings and operating conditions LMV321L, LMV358L, LMV324L 2 Absolute maximum ratings and operating conditions Table 1. Absolute maximum ratings (AMR) Symbol Parameter Value Unit V CC Supply voltage (1) 6 V id Differential input voltage (2) ±V CC V V in Input pins (IN+ and IN- pins) voltage (3) V CC to V CC I in Input current (4) 10 ma T stg Storage temperature -65 to +150 C Thermal resistance junction to ambient (5)(6) SC SOT R thja MiniSO8 190 SO8 125 C/W TSSOP8 120 TSSOP SO T j Maximum junction temperature 150 C ESD HBM: human body model (7) 1. All voltage values, except differential voltage, are with respect to network ground terminal 2. Differential voltage is the non-inverting input terminal with respect to the inverting input terminal 3. V CC -V in must not exceed 6 V, V in must not exceed 6 V 4. Input current must be limited by a resistor in series with the inputs 5. Short-circuits can cause excessive heating and destructive dissipation 6. R th are typical values 4000 MM: machine model (8) 250 V CDM: charged device model (9) 1300 Latch-up immunity 200 ma 7. Human body model: 100 pf discharged through a 1.5 kω resistor between two pins of the device, done for all couples of pin combinations with other pins floating. 8. Machine model: a 200 pf cap is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (internal resistor < 5 Ω), done for all couples of pin combinations with other pins floating. 9. Charged device model: all pins plus package are charged together to the specified voltage and then discharged directly to the ground. Table 2. Operating conditions Symbol Parameter Value Unit V CC Supply voltage 2.7 to 5.5 V icm Common mode input voltage range (V CC- ) to (V CC+ ) - 1 V T oper Operating free-air temperature range -40 to +125 C 4/21 DocID Rev 3

5 Electrical characteristics 3 Electrical characteristics Table 3. Electrical characteristics at V CC+ = 2.7 V with V CC- = 0 V, V icm = V CC /2, T amb = 25 C, and R L connected to V CC /2 (unless otherwise specified) Symbol Parameter Conditions Min. Typ. Max. Unit DC performance V io Input offset voltage 1 7 mv ΔV io /ΔT Input offset voltage drift (1) -40 C < T< 125 C 5 μv/ C I io Input offset current V out = V cc /2 I ib Input bias current CMRR Common mode rejection ratio (1) Vic = 0 V to V cc -1 V, V out = V cc / db V O Output swing R L = 10 kω, high level V R L = 10 kω, low level mv I CC Supply current (per channel) No load, V out = V CC / µa AC performance GBP Gain bandwidth product Φ m Phase margin R L > 1 MΩ, C L = 200 pf 60 degrees na 1.3 MHz G m Gain margin 10 db SR e n Slew rate Equivalent input noise voltage R L > 1 MΩ, C L = 200 pf V out = 0.5 V to V CC - 0.5V f = 1 khz f = 10 khz i n Equivalent input noise current f = 1 khz CMRR (db) = 20 log (ΔV icm /ΔV io ) 0.6 V/μs nv Hz pa Hz DocID Rev 3 5/21 21

6 Electrical characteristics LMV321L, LMV358L, LMV324L Table 4. Electrical characteristics at V CC+ = 5 V with V CC- = 0 V, V icm = V CC /2, T amb = 25 C, and R L connected to V CC /2 (unless otherwise specified) Symbol Parameter Conditions Min. Typ. Max. Unit DC performance V io Input offset voltage C < T< 125 C 9 ΔV io /ΔT Input offset voltage drift (1) -40 C < T< 125 C 5 μv/ C I io I ib Input offset current Input bias current V out = V cc / C < T< 125 C 50 V out = V cc / C < T< 125 C 110 CMRR Common mode rejection ratio (2) Vic = 0 V to V cc -1 V,V out = V cc / SVRR Supply voltage rejection ratio V cc = 2.7 to 5 V A vd V OH V OL I out I CC AC performance Large signal voltage gain Output swing high level Output swing low level Output short circuit current Supply current (per channel) R L = 2 kω, V out = 0.5 V to (V CC -0.5 V) C < T< 125 C 80 R L = 10 kω R L = 10 kω, -40 C < T< 125 C 4.80 R L = 2 kω R L = 2 kω, -40 C < T< 125 C 4.60 R L = 10 kω R L = 10 kω, -40 C < T< 125 C 280 R L = 2 kω R L = 2 kω, -40 C < T< 125 C 400 Sinking, V out = V CC Sourcing, V out = 0 V No load, V out = V CC / C < T< 125 C 350 GBP Gain bandwidth product 1.3 MHz F u Unity gain frequency 1 R L > 1 MΩ, C L = 200 pf Φ m Phase margin 60 degrees G m Gain margin 10 db SR Slew rate R L > 1 MΩ, C L = 200 pf V out = 0.5 V to V CC - 0.5V mv na db V mv ma µa 0.7 V/μs 6/21 DocID Rev 3

7 Electrical characteristics Table 4. Electrical characteristics at V CC+ = 5 V with V CC- = 0 V, V icm = V CC /2, T amb = 25 C, and R L connected to V CC /2 (unless otherwise specified) (continued) Symbol Parameter Conditions Min. Typ. Max. Unit e n Equivalent input noise voltage f = 1 khz f = 10 khz i n Equivalent input noise current f = 1 khz See Section 4.4: Input offset voltage drift over temperature 2. CMRR (db) = 20 log (ΔV icm /ΔV io ) nv Hz pa Hz DocID Rev 3 7/21 21

8 Electrical characteristics LMV321L, LMV358L, LMV324L Figure 2. Supply current vs. supply voltage at V icm = V CC /2 Figure 3. Input offset voltage vs. input common mode voltage at V CC = 5 V Supply Current (ma) T=85 C Input Offset Voltage (mv) Vicm=Vcc/ Supply Voltage (V) Input Common Mode Voltage (V) Figure 4. Output current vs. output voltage at V CC = 2.7 V Figure 5. Output current vs. output voltage at V CC = 5 V Output Current (ma) Sink Vid=-1V Vcc=2.7V -20 Source -30 Vid=1V Output Voltage (V) Output Current (ma) 100 Sink 75 Vid=-1V Source Vid=1V Output Voltage (V) Figure 6. Output current vs. supply voltage at V icm = V CC /2 Figure 7. Voltage gain and phase with Cl = 200 pf Output Current (ma) 100 Sink 75 Vid=-1V T=85 C Vicm=Vcc/2-50 T=85 C -75 Source Vid=1V Supply Voltage (V) Gain (db) Gain Phase Vicm=2.5V -10 Rl=50kΩ Cl=200pF -225 Gain= k 100k 1M 10M Frequency (Hz) Phase ( ) 8/21 DocID Rev 3

9 Electrical characteristics Figure 8. Gain margin vs. load capacitor at V CC = 5 V Figure 9. Phase margin vs. load capacitor at V CC = 5 V Gain Margin (db) Rl=600Ω Rl=100kΩ Vicm=2.5V Vload=2.5V Load Capacitor (pf) Phase Margin ( ) Rl=600Ω Rl=100kΩ Load Capacitor (pf) Vicm=2.5V Vload=2.5V Figure 10. Closed-loop gain in voltage follower configuration for different capacitive loads Figure 11. Phase margin vs. output current at V CC = 5 V Gain (db) Vicm=2.5V Rl=10kΩ Cl=1000pF Cl=100pF Cl=45pF Cl=500pF Cl=200pF -15 1k 10k 100k 1M 10M Frequency (Hz) Phase Margin ( ) Sink Cl=200pF Source Cl=100pF Vicm=2.5V Vload=2.5V 10 Rl=10KΩ Output Current (ma) Figure 12. Positive and negative slew rate vs. supply voltage Figure 13. Positive slew rate at V CC = 5 V with Cl = 100 pf Slew rate (V/µs) Cl=100pF Rl=2kΩ Vicm=Vcc/2 Vload=Vcc/ Supply Voltage (V) Output Voltage (V) Vicm=Vcc/2 Cl=100pF -2.0 Rl=1MΩ Time (µs) DocID Rev 3 9/21 21

10 Electrical characteristics LMV321L, LMV358L, LMV324L Figure 14. Negative slew rate at V CC = 5 V with Cl = 100 pf Figure 15. Noise vs. frequency Output Voltage (V) Vicm=Vcc/2 Cl=100pF Rl=1MΩ Time (µs) Equivalent Input Noise Voltage Density (nv/vhz) Vcc=2.7V Vicm=Vcc/ Frequency (Hz) Figure 16. Distortion + noise vs. frequency Figure 17. Distortion + noise vs. output voltage THD + N (%) 10-1 BW=80kHz Vin=1Vpp Gain=1 Vicm=Vcc/ Rl=2kΩ Rl=10kΩ Frequency (Hz) THD + N (%) Gain=1 BW=22kHz Vicm=Vcc/2 Rl=10kΩ Rl=2kΩ Output Voltage (Vpp) 10/21 DocID Rev 3

11 Application information 4 Application information 4.1 Operating voltages The LMV321L, LMV358L, and LMV324L can operate from 2.7 to 5.5 V. The devices parameters are fully specified for 2.7 V and 5 V power supplies. Additionally, the main specifications are guaranteed in extended temperature ranges from -40 C to 125 C. 4.2 Input common-mode range The LMV321L, LMV358L, and LMV324L have an input common-mode range that includes ground. The input common-mode range is extended from (V CC- ) V to (V CC+ ) - 1 V, with no output phase reversal. 4.3 Rail-to-rail output The operational amplifiers output levels can go close to the rails: 180 mv maximum above and below the rail when connected to a 10 kω resistive load to V CC / Input offset voltage drift over temperature The maximum input voltage drift over the temperature variation is defined as follows. for T min < T < Tmax. ΔVio = max Vio ( T ) Vio ( 25 C ) ΔT T 25 C 4.5 PCB layouts For correct operation, it is advised to add 10 nf decoupling capacitors as close as possible to the power supply pins. 4.6 Macromodel Accurate macromodels of the LMV321L, LMV358L, and LMV324L are available on STMicroelectronics web site at These models are a trade-off between accuracy and complexity (that is, time simulation) of the LMV321L, LMV358L, and LMV324L operational amplifiers. They emulate the nominal performances of a typical device within the specified operating conditions mentioned in the datasheet. They also help to validate a design approach and to select the right operational amplifier, but they do not replace onboard measurements. DocID Rev 3 11/21 21

12 Package information LMV321L, LMV358L, LMV324L 5 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: ECOPACK is an ST trademark. 12/21 DocID Rev 3

13 Package information 5.1 SC70-5 (SOT323-5) package information Figure 18. SC70-5 (SOT323-5) package mechanical drawing DIMENSIONS IN MM SIDE VIEW GAUGE PLANE COPLANAR LEADS SEATING PLANE TOP VIEW Table 5. SC70-5 (or SOT323-5) package mechanical data Dimensions Ref Millimeters Inches Min Typ Max Min Typ Max A A A b c D E E e e L < DocID Rev 3 13/21 21

14 Package information LMV321L, LMV358L, LMV324L 5.2 SOT23-5 package information Figure 19. SOT23-5 package mechanical drawing GAMS CB Table 6. SOT23-5 package mechanical data Dimensions Ref. Millimeters Inches Min. Typ. Max. Min. Typ. Max. A A A B C D D e E F L K /21 DocID Rev 3

15 Package information 5.3 MiniSO8 package information Figure 20. MiniSO8 package mechanical drawing Table 7. MiniSO8 package mechanical data Dimensions Ref. Millimeters Inches Min. Typ. Max. Min. Typ. Max. A A A b c D E E e L L L k ccc DocID Rev 3 15/21 21

16 Package information LMV321L, LMV358L, LMV324L 5.4 SO8 package information Figure 21. SO8 package mechanical drawing Table 8. SO8 package mechanical data Dimensions Ref. Millimeters Inches Min. Typ. Max. Min. Typ. Max. A A A b c D E E e h L L k ccc /21 DocID Rev 3

17 Package information 5.5 TSSOP8 package information Figure 22. TSSOP8 package mechanical drawing Table 9. TSSOP8 package mechanical data Dimensions Ref. Millimeters Inches Min. Typ. Max. Min. Typ. Max. A A A b c D E E e k L L aaa DocID Rev 3 17/21 21

18 Package information LMV321L, LMV358L, LMV324L 5.6 TSSOP14 package information Figure 23. TSSOP14 package mechanical drawing Table 10. TSSOP14 package mechanical data Dimensions Ref. Millimeters Inches Min. Typ. Max. Min. Typ. Max. A A A b c D E E e L L k aaa /21 DocID Rev 3

19 Package information 5.7 SO14 package information Figure 24. SO14 package mechanical drawing Table 11. SO14 package mechanical data Dimensions Ref. Millimeters Inches Min. Typ. Max. Min. Typ. Max. A A A B C D E e H h L k 8 (max.) ddd DocID Rev 3 19/21 21

20 Ordering information LMV321L, LMV358L, LMV324L 6 Ordering information Table 12. Order codes for devices without shutdown feature Order code Temperature range Package Packing Marking LMV321LICT SC70-5 K25 LMV321LILT SOT23-5 K170 LMV358LIST MiniSO8 K170 LMV358LIPT -40 C to +125 C TSSOP8 Tape and reel V358L LMV358LIDT SO8 LMV358L LMV324LIPT TSSOP14 LMV324L LMV324LIDT SO14 LMV324L 7 Revision history Table 13. Document revision history Date Revision Changes 04-May Initial release. 19-Dec New template 09-Dec Added TSSOP8 package Table 6: updated some of the inches dimensions Table 12: added new order code LMV358LIPT 20/21 DocID Rev 3

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