MAX40100ANT+

Click here to ask about the production status of specific part numbers. MAX40100 Precision, Low-Power and Low-Noise Op Amp with RRIO General Description Benefits and Features The MAX40100 is a low-power, zero-drift operational amplifier available in a space-saving, 6-bump, wafer-level package (WLP). ● Low 66μA Quiescent Current ● Low Input Noise: • 42nV/√Hz at 1kHz • 0.42μVP-P from 0.1Hz to 10Hz Designed for use in portable consumer, medical, and industrial applications, the MAX40100 features rail-to-rail CMOS inputs and outputs, a 1.5MHz GBW at just 66μA supply current, and 10μV (max) “zero-drift” input voltage offset over time and temperature. The zero-drift feature of the MAX40100 reduces the high 1/f noise typically found in CMOS input operational amplifiers, making it useful for a wide variety of low-frequency measurement applications. ● ● ● ● ● ● ● Rail-to-Rail Inputs and Outputs (RRIO) 1.5MHz GBW Ultra-Low 10pA Input Bias Current Single 1.6V to 5.5V Supply Voltage Range Unity Gain Stable Power-Saving Shutdown Mode Tiny, 1.1mm x 0.76mm, 6-bump WLP Ordering Information appears at end of data sheet. The MAX40100 is available in a space-saving, 1.1 x 0.76mm, 6-bump WLP with 0.35mm bump pitch. The MAX40100 is specified over the -40°C to +125°C extended automotive operating temperature range. Applications ● ● ● ● ● Cell Phones Sensor Interfaces Loop-Powered Systems Portable Medical Devices Battery-Powered Devices Typical Application Circuit VCC = 1.8V TO 5.5V MAX40100 VIN+ VIN- MAX40100 VOUT R1 R2 R3 R4 HIGH INPUT IMPEDANCE 2-OP AMP INSTRUMENTATION AMPLIFIER IF R1 = R4, R2 = R3, VOUT = (VIN+ - VIN-) X (1 + R4/R3) R1, R2, R3, R4 ARE LOWER TOLERANCE (0.01%) FOR BETTER CMRR PERFORMANCE 19-8539; Rev 5; 2/21 MAX40100 Precision, Low-Power and Low-Noise Op Amp with RRIO Absolute Maximum Ratings IN+, IN-, Supply Voltage, SHDN (VDD to GND) ....... -0.3V to +6V OUT ................................................(GND - 0.3V) to (VDD + 0.3V) Short-Circuit Duration to Either Supply Rail, OUT, OUTA, OUTB .............................................................10s Continuous Input Current (Any Pins)................................. ±20mA Continuous Power Dissipation (TA = +70°C)................................ 6-Bump WLP (Derate 10.19mW/°C above +70°C)........... 816mW Package Thermal Characteristics (multilayer board) Junction-to-Ambient Thermal Resistance (θJA) ...... 98.06°C/W Operating Temperature Range ...........................-40°C to +125°C Junction Temperature ....................................................... +150°C Storage Temperature Range .............................. -65ºC to +150ºC Lead Temperature (soldering 10s).................................... +300ºC Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Package Information 6 WLP Package Code N60D1+1 Outline Number 21-100086 Land Pattern Number Refer to Application Note 1891 For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/ thermal-tutorial. www.maximintegrated.com Maxim Integrated | 2 MAX40100 Precision, Low-Power and Low-Noise Op Amp with RRIO Package Outline Drawing www.maximintegrated.com Maxim Integrated | 3 MAX40100 Precision, Low-Power and Low-Noise Op Amp with RRIO Electrical Characteristics (VDD = +3.3V, GND = 0, AV = 1V/V, VOUT = VDD/2, CL = 20pF, RL = 100kΩ to VDD/2, VSHDN = VDD, TA = -40°C to +125°C unless otherwise noted. Typical values are at +25°C) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX Guaranteed by PSRR, 0°C ≤ TA ≤ +70°C 1.6 5.5 Guaranteed by PSRR, -40°C ≤ TA ≤ +125°C 1.8 5.5 UNITS POWER SUPPLY Supply Voltage Range VDD Quiescent Supply Current IDD Power-Supply Rejection Ratio PSRR TA = +25°C 66 -40°C ≤ TA ≤ +125°C VDD = 1.8V to 5.5V 124 TA = +25°C 116 -40°C ≤ TA ≤ +125°C 107 0°C ≤ TA ≤ +70°C, VDD = 1.6V to 5.5V Power-Up Time tON Shutdown Supply Current ISHDN Turn-On Time from Shutdown tOSD 92 V μA 135 dB 107 VDD = 0 to 3V step, AV = 1V/V 20 μs 300 VDD = 3.3V, VSHDN = 0 to 3.3V step in < 1μs 50 TA = +25°C 0.8 nA μs DC SPECIFICATIONS Input Offset Voltage Input Offset Voltage Drift Input Bias Current (Note 3) Input Offset Current Input Common-Mode Range Common-Mode Rejection Ratio Open-Loop Gain Input Resistance www.maximintegrated.com VOS -40°C ≤ TA ≤ +125°C 25 ∆VOS 5 TA = +25°C IB ±0.031 CMRR AVOL RIN nV/°C ±4.6 -40°C ≤ TA ≤ +125°C ±28 ±0.005 Guaranteed by CMRR test TA = +25°C -0.1 -40°C ≤ TA ≤ +125°C -0.1 VDD + 0.05 122 -0.1 ≤ VCM ≤ VDD + 0.05, -40°C ≤ TA ≤ +125°C 116 20mV ≤ VOUT ≤ VDD - 20mV, RL = 100kΩ to VDD/2 120 150mV ≤ VOUT ≤ VDD - 150mV, RL = 5kΩ to VDD/2 123 nA nA VDD + 0.1 -0.1 ≤ VCM ≤ VDD + 0.1, TA = +25°C μV ±0.160 -40°C ≤ TA ≤ +85°C IOS VCM 10 V 135 dB 138 dB 160 Differential 50 Common-mode 200 MΩ Maxim Integrated | 4 MAX40100 Precision, Low-Power and Low-Noise Op Amp with RRIO Electrical Characteristics (continued) (VDD = +3.3V, GND = 0, AV = 1V/V, VOUT = VDD/2, CL = 20pF, RL = 100kΩ to VDD/2, VSHDN = VDD, TA = -40°C to +125°C unless otherwise noted. Typical values are at +25°C) (Note 2) PARAMETER SYMBOL VOH CONDITIONS VDD - VOUT MIN VOL VOUT RL = 50kΩ to VDD/2 22 UNITS 50 mV RL = 100kΩ to VDD/2 11 RL = 50kΩ to VDD/2 18 RL = 600Ω to VDD/2 Short-Circuit Current MAX 12 RL = 600Ω to VDD/2 Output Voltage Swing TYP RL = 100kΩ to VDD/2 50 ISC 50 mA AC SPECIFICATIONS Gain-Bandwidth Product 1.5 MHz Slew Rate GBWP SR 0 ≤ VOUT ≤ 2V 0.7 V/µs Input Voltage Noise Density En fSW = 1kHz 42 nV/√Hz Input Voltage Noise 0.1Hz ≤ fSW ≤ 10Hz 0.42 μVP-P Input Current Noise Density fSW = 1kHz 100 fA/√Hz Phase Margin CL = 20pF 60 ° No sustained oscillation, AV = 1V/V 400 pF Capacitive Loading CL LOGIC INPUT Shutdown Input Low VIL Shutdown Input High VIH Shutdown Input Leakage Current IIL/IIH 0.5 1.3 V V 100 nA Note 2: Specifications are 100% tested at TA = +25°C (exceptions noted). All temperature limits are guaranteed by design. Note 3: Guaranteed by design. www.maximintegrated.com Maxim Integrated | 5 MAX40100 Precision, Low-Power and Low-Noise Op Amp with RRIO Typical Operating Characteristics (VDD = +3.3V, GND = 0, AV = 1V/V, VOUT = VDD/2, CL = 20pF, RL = 100kΩ to VDD/2, VSHDN = VDD, TA = -40°C to +125°C unless otherwise noted. Typical values are at +25°C) www.maximintegrated.com Maxim Integrated | 6 MAX40100 Precision, Low-Power and Low-Noise Op Amp with RRIO Typical Operating Characteristics (continued) (VDD = +3.3V, GND = 0, AV = 1V/V, VOUT = VDD/2, CL = 20pF, RL = 100kΩ to VDD/2, VSHDN = VDD, TA = -40°C to +125°C unless otherwise noted. Typical values are at +25°C) 140 A C PSRR v s . FREQUENCY toc10 120 AC PSRR (dB) 100 80 60 40 20 0 0.0001 0.001 0.01 0.1 1 10 100 1000 10000 INPUT FREQUENCY (kHz) OPEN-L OOP GA IN v s . FREQUENCY toc14 160 OPEN-LOOP GAIN (dB) 140 120 100 80 60 40 20 0 -20 0.001 0.1 10 1000 100000 10000000 INPUT FREQUENCY (Hz) www.maximintegrated.com Maxim Integrated | 7 MAX40100 Precision, Low-Power and Low-Noise Op Amp with RRIO Typical Operating Characteristics (continued) (VDD = +3.3V, GND = 0, AV = 1V/V, VOUT = VDD/2, CL = 20pF, RL = 100kΩ to VDD/2, VSHDN = VDD, TA = -40°C to +125°C unless otherwise noted. Typical values are at +25°C) Bump Configuration TOP VIEW MAX40100 2 3 A VSS VDD SHDN B IN+ IN- OUT + 1 WLP Bump Descriptions PIN NAME FUNCTION A1 VSS Negative Supply Voltage A2 VDD Positive Supply Voltage. Bypass to GND with a 0.1μF capacitor. A3 SHDN www.maximintegrated.com Shutdown. Pull to VSS to activate shutdown mode. Maxim Integrated | 8 MAX40100 Precision, Low-Power and Low-Noise Op Amp with RRIO Bump Descriptions (continued) PIN NAME B1 IN+ Positive Input B2 IN- Negative Input B3 OUT www.maximintegrated.com FUNCTION Output Maxim Integrated | 9 MAX40100 Precision, Low-Power and Low-Noise Op Amp with RRIO Detailed Description The MAX40100 is a precision, low-power op-amps ideal for signal processing applications. This device use an innovative auto-zero technique that allows precision and low-noise with a minimum amount of power. The low input offset voltage, CMOS inputs, and the absence of 1/f noise allows for optimization of active-filter designs. The MAX40100 achieves rail-to-rail performance at the input through the use of a low-noise charge pump. This ensures a glitch-free, common-mode input voltage range extending from the negative supply rail up to the positive supply rail, eliminating cross over distortion common to traditional N-channel/P-channel CMOS pair inputs, reducing harmonic distortion at the output. The device features a shutdown mode that greatly reduces quiescent current while the device is not operational. Auto-Zero The MAX40100 features an auto-zero circuit that allows the device to achieve less than 10μV of input offset voltage and eliminates the 1/f noise. Internal Charge Pump An internal charge pump provides an internal supply typically 1V beyond the upper rail. This internal rail allows the MAX40100 to achieve true rail-to-rail inputs and outputs, while providing excellent common-mode rejection, powersupply rejection ratios, and gain linearity. The charge pump requires no external components, and in most applications is entirely transparent to the user. The operating frequency is well beyond the unity-gain frequency of the amplifier, avoiding aliasing or other signal integrity issues in sensitive applications. Shutdown Operation The device features an active-low shutdown mode that lowers the quiescent current to less than 1µA. In shutdown mode the inputs and output are high impedance. This allows multiple devices to be multiplexed onto a single line without the use of external buffers. Pull SHDN high for normal operation. The shutdown high (VIH) and low (VIL) threshold voltages are designed for ease of integration with digital controls like microcontroller outputs. These thresholds are independent of supply, eliminating the need for external pulldown circuitry. www.maximintegrated.com Maxim Integrated | 10 MAX40100 Precision, Low-Power and Low-Noise Op Amp with RRIO Applications Information The MAX40100 is a low-power, low-noise, precision operational amplifier designed for applications in the portable medical (such as ECG and Pulse Oximetry), portable consumer, and industrial markets. The MAX40100 is also ideal for loop-powered systems that interface with pressure sensors or strain-gauges. Capacitive Load Stability Driving large capacitive loads can cause instability in many op amps. MAX40100 is stable with capacitive loads up to 400pF. Stability with higher capacitive loads can be improved by adding an isolation resistor in series with the opamp output. This resistor improves the circuit’s phase margin by isolating the load capacitor from the amplifier’s output. The graph in the Typical Operating Characteristics gives the stable operation region for capacitive load versus isolation resistors. Power Supplies and Layout The MAX40100 operate either with a single supply from +1.6V to +5.5V with respect to ground or with dual supplies from ±0.8V to ±2.75V. When used with dual supplies, bypass both supplies with their own 0.1μF capacitor to ground. When used with a single supply, bypass VDD with a 0.1μF capacitor to ground. Careful layout technique helps optimize performance by decreasing the amount of stray capacitance at the op amp’s inputs and outputs. To decrease stray capacitance, minimize trace lengths by placing external components close to the op amp’s pins. Typical Application Circuit VCC = 1.8V TO 5.5V MAX40100 VIN+ VIN- MAX40100 VOUT R1 R2 R3 R4 HIGH INPUT IMPEDANCE 2-OP AMP INSTRUMENTATION AMPLIFIER IF R1 = R4, R2 = R3, VOUT = (VIN+ - VIN-) X (1 + R4/R3) R1, R2, R3, R4 ARE LOWER TOLERANCE (0.01%) FOR BETTER CMRR PERFORMANCE Ordering Information PART MAX40100ANT+ TEMP RANGE PIN-PACKAGE -40°C to +125°C 6 WLP +Denotes lead(Pb)-free/RoHS compliant package. www.maximintegrated.com Maxim Integrated | 11 MAX40100 Precision, Low-Power and Low-Noise Op Amp with RRIO Revision History REVISION NUMBER REVISION DATE 0 5/16 Initial release 1 6/17 Updated units in Electrical Characteristics table 2 3/18 Updated Absolute Maximum Ratings sections 2 3 3/20 Updated TOC02 4 4 1/21 Updated Benefits and Features, added Package Outline Drawing 5 2/21 Added Typical Application Circuit DESCRIPTION PAGES CHANGED — 2, 3 1, 3 1 For pricing, delivery, and ordering information, please visit Maxim Integrated’s online storefront at https://www.maximintegrated.com/en/storefront/storefront.html. Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance. Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc. © 2021 Maxim Integrated Products, Inc.