MAXIM Manuals

The MAX4040-MAX4044 micropower op amps operate from a single +2.4V to +5.5V supply or dual ±1.2V to ±2.75V supplies and have rail-to-rail input and output capabilities. They provide a 90kHz gain-bandwidth product while using only 10µA of supply current per amplifier. These devices are ideal for any portable/battery-powered system.

The MAX9614/MAX9616 are low-power precision op amps that feature precision MOS inputs. These devices are ideal for a large number of signal processing applications such as photodiode transimpedance amplifiers and filtering/amplification of a wide variety of signals in industrial equipment. The devices also feature excellent RF immunity, making them ideal for portable applications.

The MAX9613/MAX9615 are low-power precision op amps with rail-to-rail inputs and rail-to-rail outputs. They feature precision MOS inputs powered from an internal charge pump to eliminate crossover distortion that is common to complementary input-pair type amplifier architectures. These devices are ideal for a large number of signal pro- cessing applications such as photodiode transimped- ance amplifiers and filtering/amplification of a wide variety of signals in industrial equipment.

MAX9617-MAX9620 is a low-power, zero-drift operational amplifier with 1.5MHz GBW and 10µV zero-drift input offset voltage. The device is available in SC70 package and suitable for portable consumer, medical and industrial applications.

The MAX9943/MAX9944 family of high-voltage amplifiers offers precision, low drift, and low-power consumption

MAX4238/MAX4239 are low-noise, low-drift, ultra- high precision amplifiers that offer near-zero DC offset and drift through the use of patented autocorrelating zeroing techniques. This method constantly measures and compensates the input offset, eliminating drift over time and temperature and the effect of 1/f noise. Both devices feature rail-to-rail outputs, operate from a single 2.7V to 5.5V supply, and consume only 600µA. An active- low shutdown mode decreases supply current to 0.1µA. The MAX4238 is unity-gain stable with a gain-band- width product of 1MHz, while the decompensated MAX4239 is stable with AV ≥ 10V/V and a GBWP of 6.5MHz. The MAX4238/MAX4239 are available in 8-pin narrow SO, 6-pin TDFN and SOT23 packages.

The MAX9636/MAX9637/MAX9638 are single-supply, CMOS input op amps featuring wide bandwidth at low quiescent current, making them suitable for a broad range of battery-powered applications such as portable medical instruments, portable media players, and smoke detectors.

MAX4480-MAX4483 Series Single/Dual/Quad Low Power Operational Amplifiers

The MAX9647/MAX9648 comparators are general-purpose, low-voltage, tiny pack comparators with advantages of low supply voltage, small package, and low cost. They also offer a wide supply voltage range, wide operating temperature range, competitive CMRR and PSRR, response time characteristics, input offset, low noise, output saturation voltage, input bias current, and RF immunity.

MAX9107/MAX9108/MAX9109 25ns, Dual/Quad/Single, Low-Power, TTL Comparators are high-speed, low-power voltage comparators designed for use in systems powered from a single +5V supply. Their 25ns propagation delay (with 10mV input overdrive) is achieved with a power consumption of only 1.75mW per comparator. The wide input common-mode range extends from 200mV below ground to within 1.5V of the positive supply rail. The MAX9107/MAX9108/MAX9109 outputs are TTL-compatible, requiring no external pullup circuitry. These easy-to-use comparators incorporate internal hysteresis to ensure clean output switching even when the devices are driven by a slow-moving input signal. The MAX9107/MAX9108/MAX9109 are higher-speed, lower-power, lower-cost upgrades to industry-standard comparators MAX907/MAX908/MAX909. The MAX9109 features an output latch but does not have complementary outputs. The dual MAX9107 is available in both 8-pin SO and SOT23 packages. The quad MAX9108 is available in TSSOP and SO packages.

The MAX985/MAX986/MAX989/MAX990/MAX993/MAX994 single/dual/quad micropower comparators feature low-voltage operation and rail-to-rail inputs and outputs. Their operating voltages range from 2.5V to 5.5V, making them ideal for both 3V and 5V systems. These comparators also operate with ±1.25V to ±2.75V dual supplies. They consume only 11µA of supply cur- rent while achieving a 300ns propagation delay. Input bias current is typically 1.0pA, and input offset voltage is typically 0.5mV. Internal hysteresis ensures clean output switching, even with slow-moving input signals. The output stage’s unique design limits supply-current surges while switching, virtually eliminating the supply glitches typical of many other comparators. The MAX985/MAX989/MAX993 have a push-pull output stage that sinks as well as sources current. Large inter- nal output drivers allow rail-to-rail output swing with loads up to 8mA. The MAX986/MAX990/MAX994 have an open-drain output stage that can be pulled beyond VCC to 6V (max) above VEE. These open-drain versions are ideal for level translators and bipolar to single- ended converters. The single MAX985 is available in a chip-scale pack- age (UCSP™), significantly reducing the required PC board area. The single MAX985/MAX986 are available in 5-pin SC70 packages and the dual MAX989/MAX990 are available in 8-pin SOT23 packages.

The MAX9021/MAX9022/MAX9024 is a low-power comparator that operates from a single supply from 2.5V to 5.5V, and consumes 2.8µA of supply current per comparator. It has a 3µs propagation delay and 4mV of built-in hysteresis to provide noise immunity and prevent oscillations.

The MAX9025-MAX9028 ultra-low-power comparators are integrated circuits in a space-saving chip-scale (UCSP) package with Beyond-the-Rails inputs that are guaranteed to operate down to +1.8V. The MAX9025/MAX9026 feature an on-board 1.236V ±1% reference and draw an ultra-low supply current of only 1µA, while the MAX9027/MAX9028 (without reference) require just 0.6µA of supply current. These features make the MAX9025-MAX9028 family of comparators ideal for all 2-cell battery-monitoring/management applications. The unique design of the output stage limits supply-current surges while switching, virtually eliminating the supply glitches typical of many other comparators. This design also minimizes overall power consumption under dynamic conditions. The MAX9025/MAX9027 have a push-pull output stage that sinks and sources current. Large internal-output drivers allow rail-to-rail output swing with loads up to 5mA. The MAX9026/MAX9028 have an open-drain output stage that makes them suitable for mixed-voltage system design. All devices are available in the miniature 6-bump UCSP packages. For similar comparators in 5-pin SC70 packages, refer to the MAX9117 data sheet, and for similar dual comparators in 8-pin SOT23 packages, refer to the MAX9017 data sheet. Applications include 2-cell battery monitoring/management, ultra-low-power systems, mobile communications, notebooks and PDAs, sensing at ground or supply line, telemetry and remote systems, and medical instruments.

MAX9060 series products are a kind of miniature single comparators produced by Texas Instruments. They are very suitable for a wide range of portable electronic applications such as cell phones, media players and notebooks which have extremely tight board space and power constraints. The series products provide ultra-miniature 4-bump UCSP package with a 1mm x 1mm footprint (as small as two 0402 resistors); and also provide 5-pin SOT23 package. The series products feature an input voltage range of -0.3V to +5.5V independent of supply voltage. These devices maintain high impedance at the inputs even when powered down (VCC or VREF = 0V). They also feature internal filtering to provide high RF immunity. MAX9060 and MAX9061 have open-drain outputs and draw quiescent supply current from a user-supplied reference voltage, VREF, between 0.9V and 5.5V. These devices consume only 100nA (max) supply current and operate over the extended -40°C to +85°C temperature range. MAX9062, MAX9063 and MAX9064 are single com- parators with an internal 0.2V reference. These devices feature either a push-pull or an open-drain output. They consume only 700nA (max) supply current. The MAX9062, MAX9063, and MAX9064 operate down to VCC = 1V over the extended -40°C to +85°C temperature range.