MAX34406 Maxim, MAX34406 Datasheet - Page 10

• Manufacturer Part Number: MAX34406
• Description: The MAX34406 is a quad, high-side, unidirectional, current-sense amplifier that offers precision accuracy
• Manufacturer: Maxim

R
is typically 0.2FA.
Placing R
gain error of the device because the gain is given by the
ratio between R
Some systems can require a precise bidirectional cur-
rent-sense amplifier to accurately monitor currents.
Figure 3. Bidirectional Application
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
*Future product—contact factory for availability.
**EP = Exposed pad.
For the latest package outline information and land patterns (footprints), go to 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 drawing pertains
to the package regardless of RoHS status.
MAX34406TETG+*
MAX34406TETG+T*
MAX34406FETG+*
MAX34406FETG+T*
MAX34406HETG+
MAX34406HETG+T
MAX34406WETG+*
MAX34406WETG+T*
IN
x I
BIAS
PACKAGE TYPE
GND
24 TQFN-EP
IN
OUT1
IN1+
contributes to the input voltage offset. I
PART
at the INx- input voltage does not affect the
R
I
LOAD
SENSE
OUTx
MAX34406
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IN1-
and R1 at INx+.
with Overcurrent Threshold Comparators
IN2+
Bidirectional Application
OUT2
IN2-
PACKAGE CODE
GAIN (V/V)
T2444+4
V
DD
100
100
200
200
25
25
50
50
µC
= 3.3V
ADC
INPUTS
Quad Current-Sense Amplifier
BIAS
Measurement of the two separate outputs with respect
to GND yields an accurate measure of the bidirectional
currents
The SHTDN output asserts upon overcurrent detection
on any of the 4 channels. OC1 to OC4 are logically ORed
together; SHTDN latches the output after some delay.
SHTDN latch delay is determined by the following equation:
Example C
Characteristics
-40NC to +85NC
-40NC to +85NC
-40NC to +85NC
-40NC to +85NC
-40NC to +85NC
-40NC to +85NC
-40NC to +85NC
-40NC to +85NC
TEMP RANGE
OUTLINE NO.
21-0139
(Figure
CDLY
t
DLY
table.
3).
and t
= C
Choosing the Delay Capacitor
DLY
CDLY
Ordering Information
Package Information
pairs are given in the
× (V
PIN-PACKAGE
24 TQFN-EP**
24 TQFN-EP**
24 TQFN-EP**
24 TQFN-EP**
24 TQFN-EP**
24 TQFN-EP**
24 TQFN-EP**
24 TQFN-EP**
DD
MAX34406
LAND PATTERN NO.
÷ 10µA)
90-0022
Electrical