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MAX4230AXK+T Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX4230AXK+T Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 27 page Detailed Description Rail-to-Rail Input Stage The MAX4230–MAX4234 CMOS operational amplifiers have parallel-connected n- and p-channel differential input stages that combine to accept a common-mode range extending to both supply rails. The n-channel stage is active for common-mode input voltages typi- cally greater than (VSS + 1.2V), and the p-channel stage is active for common-mode input voltages typi- cally less than (VDD - 1.2V). Applications Information Package Power Dissipation Warning: Due to the high output current drive, this op amp can exceed the absolute maximum power-dissi- pation rating. As a general rule, as long as the peak cur- rent is less than or equal to 40mA, the maximum package power dissipation is not exceeded for any of the package types offered. There are some exceptions to this rule, however. The absolute maximum power-dissipation rating of each package should always be verified using the fol- lowing equations. The equation below gives an approxi- mation of the package power dissipation: where: VRMS = RMS voltage from VDD to VOUT when sourcing current and RMS voltage from VOUT to VSS when sink- ing current. IRMS = RMS current flowing out of or into the op amp and the load. θ = phase difference between the voltage and the cur- rent. For resistive loads, COS θ = 1. P V I COS IC DISS RMS RMS () ≅θ High-Output-Drive, 10MHz, 10V/µs, Rail-to-Rail I/O Op Amps with Shutdown in SC70 8 _______________________________________________________________________________________ PIN MAX4230 SOT23/ SC70 MAX4231 SOT23/ SC70/Thin µDFN MAX4231 UCSP MAX4232 SOT23/ µMAX MAX4233 µMAX MAX4233 UCSP MAX4234 TSSOP/ SO NAME FUNCTION 1 1 B1 — — — — IN+ Noninverting Input 2 2 A1 4 4 B4 11 VSS Negative Supply Input. Connect to ground for single-supply operation. 3 3 B2 — — — — IN- Inverting Input 4 4 A2 — — — — OUT Amplifier Output 5 6 A3 8 10 B1 4 VDD Positive Supply Input — 5 B3 — 5, 6 C4, A4 — SHDN, SHDN1, SHDN2 Shutdown Control. Tie to high for normal operation. — — — 3 3 C3 3 IN1+ Noninverting Input to Amplifier 1 — — — 2 2 C2 2 IN1- Inverting Input to Amplifier 1 — — — 1 1 C1 1 OUT1 Amplifier 1 Output — — — 5 7 A3 5 IN2+ Noninverting Input to Amplifier 2 — — — 6 8 A2 6 IN2- Inverting Input to Amplifier 2 — — — 7 9 A1 7 OUT2 Amplifier 2 Output — — — — — — 10, 12 IN3+, Noninverting Input to Amplifiers 3 and 4 — — — — — — 9, 13 IN3-, IN4- Inverting Input to Amplifiers 3 and 4 — — — — — — 8, 14 OUT3, OUT4 Amplifiers 3 and 4 Outputs Pin Description |
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