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MAX44264 Schematic ( PDF Datasheet ) - Maxim Integrated Products

Teilenummer MAX44264
Beschreibung Ultra-Low Power Op Amp
Hersteller Maxim Integrated Products
Logo Maxim Integrated Products Logo 




Gesamt 10 Seiten
MAX44264 Datasheet, Funktion
www.DataSheet.co.kr
19-5708; Rev 0; 12/10
Ultra-Low Power Op Amp in
a Tiny 6-Bump WLP
General Description
The MAX44264 is an ultra-small (6-bump WLP) op amp
that draws only 750nA of supply current. It operates
from a single +1.8V to +5.5V supply and features
ground-sensing inputs and rail-to-rail output. The ultra-
low supply current, low-operating voltage, and rail-to-
rail output capabilities make these operational
amplifiers ideal for use in single lithium ion (Li+), or two-
cell NiCd or alkaline battery systems. The rail-to-rail out-
put stage of the MAX44264 is capable of driving the
output voltage to within 4mV of the rail with a 100k
load, and can sink and source 11mA with a +5V sup-
ply. The IC is unity-gain stable and available in a
space-saving 0.9mm x 1.3mm, 6-bump WLP package.
Applications
Cell Phones
Tablet/Notebook Computers
Mobile Accessories
Battery-Powered Devices
Features
Ultra-Low 750nA Supply Current per Amplifier
Ultra-Low +1.8V Supply Voltage Operation
Ground-Sensing Input Common-Mode Range
Outputs Swing Rail-to-Rail
Outputs Source and Sink 11mA of Load Current
No Phase Reversal for Overdriven Inputs
High 120dB Open-Loop Voltage Gain
Low 500µV Input Offset Voltage
9kHz Gain-Bandwidth Product
250pF (min) Capacitive Load Capability
Available in a Tiny, 0.9mm x 1.3mm, 6-Bump WLP
Package
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
MAX44264EWT+ -40°C to +85°C
6 WLP
+Denotes a lead(Pb)-free/RoHS-compliant package.
TOP
MARK
+CB
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Datasheet pdf - http://www.DataSheet4U.net/






MAX44264 Datasheet, Funktion
www.DataSheet.co.kr
Ultra-Low Power Op Amp in
a Tiny 6-Bump WLP
Typical Operating Characteristics (continued)
(VDD = +5V, VSS = 0V, VCM = 0V, RL = 100kto VDD/2, TA = +25°C, unless otherwise noted.)
INPUT
500mV/div
SMALL-SIGNAL STEP RESPONSE
MAX44264 toc19
VDD = +5V
AV = +1V/V
RL = 1M
CL = 12pF
INPUT
50mV/div
SMALL-SIGNAL STEP RESPONSE
MAX44264 toc20
VDD = +5V
AV = +1V/V
RL = 1M
CL = 250pF
INPUT
50mV/div
SMALL-SIGNAL STEP RESPONSE
MAX44264 toc21
VDD = +5V
AV = +1V/V
RL = 1M
CL = 1000pF
OUTPUT
500mV/div
OUTPUT
50mV/div
OUTPUT
50mV/div
500µs/div
500µs/div
INPUT
500mV/div
LARGE-SIGNAL STEP RESPONSE
MAX44264 toc22
VDD = +5V
AV = +1V/V
RL = 1M
CL = 12pF
INPUT
500mV/div
LARGE-SIGNAL STEP RESPONSE
MAX44264 toc23
VDD = +5V
AV = +1V/V
RL = 1M
CL = 1000pF
OUTPUT
500mV/div
500µs/div
OUTPUT
500mV/div
500µs/div
500µs/div
PERCENT OVERSHOOT
vs. CAPACITIVE LOAD
30
25 RL = 1M
20
15 RL = 100k
10
RL = 10k
5
0
0 50 100 150 200 250 300
CLOAD (pF)
SMALL-SIGNAL GAIN vs. FREQUENCY
3
RL = 10k
2 VOUT = 100mVP-P
1 CL = 12pF
0
AV = 1
-1
-2
-3
-4
-5
-6
-7
100
1k
FREQUENCY (Hz)
10k
SMALL-SIGNAL GAIN vs. FREQUENCY
3
RL = 100k
2 VOUT = 100mVP-P
1 CL = 12pF
0 AV = 1
-1
-2
-3
-4
-5
-6
-7
100
1k 10k
FREQUENCY (Hz)
100k
6 _______________________________________________________________________________________
Datasheet pdf - http://www.DataSheet4U.net/

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