LMV321
1 /17Pages

LMV321

LMV321
1 /17Pages

Catalog excerpts

LMV321-1

LMV321, LMV358, LMV324 Low cost, low power, input/output rail-to-rail operational amplifiers Datasheet - production data Features • Operating range from VCc = 2.7 to 6 V • Rail-to-rail input and output • Extended Vicm (VDD - 0.2 V to VCc + 0.2 V) • Low supply current (145 pA) • Gain bandwidth product (1 MHz) Related products • See LMV321L, LMV358L, LMV324L for newer technological version • See TSV851, TSV852, TSV854 for enhanced performances Applications • Battery powered electronic equipment • Personal medical care (glucose meters) • Laptops Description The LMV321/358/324 family (single, dual, and quad) answers the need for low cost, general-purpose operational amplifiers. They operate with voltages as low as 2.7 V and feature both input and output rail-to-rail, 145 pA consumption current, and 1 MHz gain bandwidth product (GBP). With such a low consumption and a sufficient GBP for many applications, these op amps are well suited for any kind of battery supplied and portable equipment application. The LMV321 device is housed in the spacesaving 5-pin SOT23-5 package, which simplifies board design. The SOT23-5 has two pinning configurations to answer all application requirements. This is information on a product in full production. www.st.com

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LMV321-3

Absolute maximum ratings and operating conditions Table 1: Absolute maximum ratings Notes: ( 'All voltage values, except differential voltage are with respect to network terminal. (2) The differential voltage is the non-inverting input terminal with respect to the inverting input terminal. If Vid > ±1 V, the maximum input current must not exceed ±1 mA. In this case (Vid > ±1 V), an input series resistor must be added to limit input current. (3) (3)Short-circuits can cause excessive heating. Destructive dissipation can result from simultaneous short-circuits on all amplifiers. All values are typical....

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LMV321-4

Absolute maximum ratings and operating conditions Table 2: Operating conditions Notes: (1)At 25 °C, for 2.7 < Vcc < 6 V, Vicm is extended to Vdd - 0.2 V, Vcc + 0.2 V. In full temperature range, both rails can be reached when Vccdoes not exceed 5.5 V.

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LMV321-5

Table 3: Electrical characteristics at VCC = 2.7 V, VDD = 0 V, CL and RL connected to VCC/2, Tamb = 25 °C (unless otherwise specified) Notes: Maximum values include unavoidable inaccuracies of the industrial tests.

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LMV321-6

Table 4: Electrical characteristics at VCC = 5 V, VDD = 0 V, CL and RL connected to VCC/2, Tamb = 25 °C (unless otherwise specified) Notes: ( 'Maximum values include unavoidable inaccuracies of the industrial tests.

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LMV321-7

Electrical characteristics Figure 1: Supply current/amplifier vs. supply voltage Figure 2: Input bias current vs. temperature (VCC = 3 V, Vicm = 1.5 V) Figure 3: Input bias current vs. temperature (VCC = 5 V, Vicm = 2.5 V) Figure 4: Common mode rejection vs. temperature (VCC = 3 V) Figure 5: Common mode rejection vs. temperature (VCC = 5 V) Figure 6: Supply voltage rejection vs. temperature (VCC = 5 V, Vicm = 2.5 V)

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LMV321-8

Electrical characteristics Figure 7: Open loop gain vs. temperature (VCC = 3 V, RL = 10/2 kW) Figure 8: Open loop gain vs. temperature (VCC = 5 V, RL = 10/2 kW) Figure 9: Supply voltage rejection vs. temperature (VCC = 3 V, Vicm = 1.5 V) Figure 10: Output current vs. output voltage (VCC = 3 V, Vid = 0.1 V, Vicm = 1.5 V) Figure 11: Output current vs. output voltage (VCC = 5 V, Vid = 0.1 V, Vicm = 2.5 V) Figure 12: Noise versus frequency

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LMV321-9

Package information 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.

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LMV321-10

Table 5: SOT23-5 mechanical data

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LMV321-11

SO8 package information Figure 14: SO8 package outline Table 6: SO8 mechanical data

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LMV321-12

Table 7: TSSOP8 mechanical data

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LMV321-13

SO14 package information Figure 16: SO14 package outline

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LMV321-14

TSSOP14 package information Figure 17: TSSOP14 package outline

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LMV321-15

Table 10: Order codes Notes: Qualified and characterized according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 and Q 002 or equivalent.

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LMV321-16

Table 11: Document revision history

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LMV321-17

LMV321, LMV358, LMV324 IMPORTANT NOTICE – PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for...

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