New CCII Current Conveyor - Maxim [Open results in new window]
... The current conveyor (CCII+) using an unbuffered amplifier. ... Dual/Quad, 400MHz,
Low-Power,
Current Feedback Amplifiers, ... MAX477, 300MHz High-Speed Op Amp, Full Data ...
www.maxim-ic.com/appnotes.cfm/appnote_number/4198 - 32k
How to Create a Precision Current Source Using a DS4303 or DS4305 ... [Open results in new window]
... parts available, the additional circuitry converts the DS4303/DS4305's output voltage
into an independent
current source by utilizing op amp feedback. ...
www.maxim-ic.com/appnotes.cfm/appnote_number/3748 - 28k
Using the DS4303 to Bias LDMOS RF Power Amps - Maxim [Open results in new window]
... exist for biasing LDMOS RF power amps, including Dallas ... measure the quiescent current
using the current sense amplifier ... 2. DS4303 LDMOS RF power-amp bias circuit ...
www.maxim-ic.com/appnotes.cfm/appnote_number/3617 - 27k
Why Drive White LEDs with Constant Current? - Maxim [Open results in new window]
... Keywords: White LED, constant current, backlight. Related Parts. APP 3256: Aug 24,
2004. ...
APPLICATION NOTE 3256. Why Drive White LEDs with Constant Current? ...
www.maxim-ic.com/appnotes.cfm/appnote_number/3256 - 34k
PWM Outputs Enhance Sensor-Signal Conditioners - Maxim [Open results in new window]
... Like its current-loop counterpart, the PWM output has good noise immunity and is ...
In Figure
2, an op amp generates the triangular waveform and a comparator ...
www.maxim-ic.com/appnotes.cfm/appnote_number/1860 - 35k
Estimating Super Capacitor Backup Time on Trickle-Charger Real ... [Open results in new window]
... I BACKUPMAX is the maximum datasheet V BACKUP current in amps Given that C =
0.2F, V BACKUPSTART
= 3.3V, V BACKUPMIN = 1.3V, and I BACKUPMAX = 1000nA, then ...
www.maxim-ic.com/appnotes.cfm/appnote_number/3517 - 34k
Switch-Mode, Linear, and Pulse Charging Techniques for Li+ Battery ... [Open results in new window]
... the MAX1898's minimum prequalification voltage is 2.375V. Thus the worst-case power
dissipation of the
pass transistor is 3.125W per Amp of charging current. ...
www.maxim-ic.com/appnotes.cfm/appnote_number/913 - 36k
Making the MAX1452/MAX1455 Signal Conditioners Tolerant of Supply ... [Open results in new window]
... In applications where a V DD supply with adequate current capability is
selected, none of these issues
will be present. Background. ...
www.maxim-ic.com/appnotes.cfm/appnote_number/4207 - 31k
Telecom Hot-Swap Reference Design Is Immune to Overvoltage and ... [Open results in new window]
... Additional features include -32V to -72V operation, two-diode OR-ing input, and
an inrush current that
is ≤ 1.5 times the full-load current. ...
www.maxim-ic.com/appnotes.cfm/appnote_number/4163 - 41k
High-Speed ADC Sets Input Common-Mode Range - Maxim [Open results in new window]
... For single-supply circuits, the input signal that feeds the drive amplifier and
ADC should be biased
at a DC level well within the V CM range. ...
www.maxim-ic.com/appnotes.cfm/appnote_number/2771 - 30k
Simplify the Design of 1-Cell Li+ Battery-Operated Devices - Maxim [Open results in new window]
... integrated voltage regulators (three 2MHz switch-mode step-down regulators with
up to 96% efficiency and two
low-quiescent-current linear regulators ...
www.maxim-ic.com/appnotes.cfm/appnote_number/4181 - 37k
Adding Thermal Protection to the DS2784 Stand-Alone Fuel Gauge ... [Open results in new window]
... The DS2784 stand-alone fuel gauge provides precision voltage, temperature, and current
measurements,
as well as a built-in SHA-1 authentication algorithm. ...
www.maxim-ic.com/appnotes.cfm/appnote_number/4192 - 28k
Estimating Switching Speed for the DS2715 NiMH Battery Charger ... [Open results in new window]
... In some cases, the speed under various conditions should be known to account for
noise sensitivity, peak-to-peak
charge current, and inductor selection ...
www.maxim-ic.com/appnotes.cfm/appnote_number/4214 - 34k
Optimizing the Load-Switch Function of the DS2715 Battery-Charger ... [Open results in new window]
... When the charge source is disconnected, the charge current ceases, and the battery
supplies power to
the DS2715 through the parasitic diode of Q1. ...
www.maxim-ic.com/appnotes.cfm/appnote_number/4180 - 37k
Estimating Switching Speed for the DS2712 NiMH Battery Charger ... [Open results in new window]
... Abstract: In switch mode, the switching speed of the DS2712 battery charger varies
based on inductor selection,
charge current, and battery voltage. ...
www.maxim-ic.com/appnotes.cfm/appnote_number/4215 - 34k
Charging Batteries from USB - Maxim [Open results in new window]
... influence charger performance. R7 is the current-sense resistor for the sense
amplifier of the
current regulator. The reference voltage ...
www.maxim-ic.com/appnotes.cfm/appnote_number/3607 - 43k
Using a DS1802 Push-Button Digital Potentiometer to Create an ... [Open results in new window]
... a high input impedance, it does not load down the potentiometer and it is capable
of providing a reasonable
amount of drive current to the next amplifier stage ...
www.maxim-ic.com/appnotes.cfm/appnote_number/161 - 42k
Understanding Li+ Battery Operation Lessens Charging Safety ... [Open results in new window]
... schemes to ensure that the cells are properly charged using constant-current,
constant-voltage ...
As a reference point, a typical Li+ 4-cell, 2-Ampere-hour (Ah ...
www.maxim-ic.com/appnotes.cfm/appnote_number/4169 - 43k
High-Speed Op Amp Enables Infrared (IR) Proximity Sensing - Maxim [Open results in new window]
... By varying the LED current you control the level of transmitted ... no input IR signal
present,
the op amp is biased at ... µs, Rail-to-Rail I/O Op Amps with Shutdown ...
www.maxim-ic.com/appnotes.cfm/an_pk/4622 - 21k
Current Sensing on a Negative Voltage Supply Rail, using a ... [Open results in new window]
... An additional op-amp buffer can be used at V OUT if the ADC ... By using the following
straightforward
steps, one can design a current-sense amplifier for a ...
www.maxim-ic.com/appnotes.cfm/an_pk/4050 - 26k
