MAX9634EVKIT+ Maxim Integrated Products, MAX9634EVKIT+ Datasheet

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MAX9634EVKIT+

Manufacturer Part Number
MAX9634EVKIT+
Description
KIT EVALUATION FOR MAX9634
Manufacturer
Maxim Integrated Products
Datasheets
1.MAX9634EVKIT.pdf (11 pages)
2.MAX9634EVKIT.pdf (4 pages)

Specifications of MAX9634EVKIT+

Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX9634 high-side current-sense amplifier offers
precision accuracy specifications of V
250µV (max) and gain error less than 0.5% (max).
Quiescent supply current is an ultra-low 1µA. The
MAX9634 fits in a tiny, 1mm x 1mm UCSP™ package
size or a 5-pin SOT23 package, making the part ideal for
applications in notebook computers, cell phones, PDAs,
and all battery-operated portable devices where accura-
cy, low quiescent current, and small size are critical.
The MAX9634 features an input common-mode voltage
range from 1.6V to 28V. These current-sense amplifiers
have a voltage output and are offered in four gain versions:
25V/V (MAX9634T), 50V/V (MAX9634F), 100V/V
(MAX9634H), and 200V/V (MAX9634W).
The four gain selections offer flexibility in the choice of
the external current-sense resistor. The very low 250µV
(max) input offset voltage allows small 25mV to 50mV
full-scale V
full-current measurement.
The MAX9634 is offered in tiny 4-bump UCSP (1mm x
1mm x 0.6mm footprint) and 5-pin SOT23 packages
specified for operation over the -40°C to +85°C extend-
ed temperature range.
19-5021; Rev 2; 8/10
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.
Cell Phones
PDAs
Power-Management Systems
Portable/Battery-Powered Systems
Notebook Computers
SENSE
________________________________________________________________ Maxim Integrated Products
voltage for very low voltage drop at
DRAWINGS NOT TO SCALE
GND
RS+
General Description
(BUMPS ON BOTTOM)
MAX9634T/F/H/W
A1
B1
TOP VIEW
UCSP
Precision Current-Sense Amplifier
Applications
A2
B2
OS
RS-
OUT
less than
1µA, 4-Bump UCSP/SOT23,
o Ultra-Low Supply Current of 1µA (max)
o Low 250µV (max) Input Offset Voltage
o Low < 0.5% (max) Gain Error
o Input Common Mode: +1.6V to +28V
o Voltage Output
o Four Gain Versions Available
o Tiny 1mm x 1mm x 0.6mm, 4-Bump UCSP or
+ Denotes a lead(Pb)-free/RoHS-compliant package.
Note: All devices are specified over the -40°C to +85°C
extended temperature range.
UCSP is a trademark of Maxim Integrated Products, Inc.
MAX9634TERS+
MAX9634FERS+
MAX9634HERS+
MAX9634WERS+
MAX9634TEUK+
MAX9634FEUK+
MAX9634HEUK+
MAX9634WEUK+
25V/V (MAX9634T)
50V/V (MAX9634F)
100V/V (MAX9634H)
200V/V (MAX9634W)
5-Pin SOT23 Packages
PART
GND
RS+
5
1
MAX9634T/F/H/W
SOT23
Ordering Information
GND
PIN-
PACKAGE
4 UCSP
4 UCSP
4 UCSP
4 UCSP
5 SOT23
5 SOT23
5 SOT23
5 SOT23
2
Pin Configurations
RS-
OUT
4
3
GAIN
(V/V)
100
200
100
200
25
50
25
50
Features
+AFHG
+AFHH
MARK
+AFHJ
+AFHI
+ACA
+ABX
+ABY
+ABZ
TOP
1

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MAX9634EVKIT+ Summary of contents

Page 1

... MAX9634FERS+ MAX9634HERS+ MAX9634WERS+ MAX9634TEUK+ Applications MAX9634FEUK+ MAX9634HEUK+ MAX9634WEUK+ + Denotes a lead(Pb)-free/RoHS-compliant package. Note: All devices are specified over the -40°C to +85°C extended temperature range. UCSP is a trademark of Maxim Integrated Products, Inc. A2 RS- B2 OUT Features Ordering Information PIN- GAIN PACKAGE (V/V) ...

Page 2

UCSP/SOT23, Precision Current-Sense Amplifier ABSOLUTE MAXIMUM RATINGS RS+, RS- to GND....................................................-0.3V to +30V OUT to GND .............................................................-0.3V to +6V RS+ to RS- ...........................................................................±30V Short-Circuit Duration: OUT to GND ..........................Continuous Continuous Input Current (any pin) ..................................±20mA Continuous Power Dissipation ...

Page 3

Precision Current-Sense Amplifier ELECTRICAL CHARACTERISTICS (continued 3.6V RS+ RS- SENSE RS+ RS- PARAMETER SYMBOL OUT High Voltage V Small-Signal Bandwidth (Note 5) Output Settling Time Note 1: All devices are 100% ...

Page 4

UCSP/SOT23, Precision Current-Sense Amplifier ( 3.6V +25°C, unless otherwise noted.) RS+ RS- A INPUT OFFSET vs. COMMON-MODE VOLTAGE -30 -35 -40 -45 -50 - COMMON-MODE VOLTAGE (V) ...

Page 5

V = 3.6V +25°C, unless otherwise noted.) RS+ RS- A SMALL-SIGNAL PULSE RESPONSE (GAIN = 100) MAX9634 toc13a V SENSE V OUT 20µs/div LARGE-SIGNAL PULSE RESPONSE (GAIN = 100) MAX9634 toc14a V SENSE V OUT 20µs/div ...

Page 6

UCSP/SOT23, Precision Current-Sense Amplifier I LOAD V = 1.6V TO 28V BATT Detailed Description The MAX9634 unidirectional high-side, current-sense amplifier features a 1.6V to 28V input common-mode range. This feature allows the monitoring of current out of a ...

Page 7

Precision Current-Sense Amplifier OUT Swing vs. V The MAX9634 is unique because the supply voltage is the input common-mode voltage (the average voltage at RS+ and RS-). There is no separate V age pin. Therefore, the OUT voltage swing is ...

Page 8

UCSP/SOT23, Precision Current-Sense Amplifier I LOAD 1.6V TO 28V BATT RS 10kΩ OUT GND Figure 1. Bidirectional Application Bidirectional Application Battery-powered systems may require a precise bidi- rectional current-sense amplifier to ...

Page 9

Precision Current-Sense Amplifier For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a "+", "#", or "-" in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the ...

Page 10

UCSP/SOT23, Precision Current-Sense Amplifier For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a "+", "#", or "-" in the package code indicates RoHS status only. Package drawings may show a different suffix ...

Page 11

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11 © 2010 Maxim Integrated Products 1µ ...

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