MAX13326GUI/V+T Maxim Integrated Products, MAX13326GUI/V+T Datasheet - Page 20

• Manufacturer Part Number: MAX13326GUI/V+T
• Description: IC AUD LINE DVR DL AUTO 28TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Line Driver, Transmitterr

Specifications of MAX13326GUI/V+T

• Applications: Automotive Audio
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PROCESS: BCD
Dual Automotive, Audio Line Drivers
with I
The power-supply bypass capacitor (see the Typical
Operating Circuit) lowers the output impedance of the
power supply, and reduces the impact of the MAX13325/
MAX13326 charge-pump switching transients. Bypass
V
cally close to the V
With minimal external components, the MAX13325/
MAX13326 can be protected against automotive load-
dump conditions. See the Typical Operating Circuit.
Q1 should be selected to withstand the full-voltage expo-
sure (BV
should be chosen to be less than V
startup. Using an external nMOS, RTR020N05, 300ms
duration component provides 50V load-dump protection.
20
DD
_____________________________________________________________________________________
with C3, the same value as C2, and place it physi-
DSS
> 45V). The gate-source turn-on voltage
2
C Control and Diagnostic
Power-Supply Bypass Capacitor (C3)
DD
and PGND pins.
Load-Dump Protection
Chip Information
CPS
nMOSFET (Q1)
to ensure initial
During short-to-battery condition, OUT_ lifts up CHOLD
using an internal diode. In order not to violate the maxi-
mum gate-source voltage of Q1, a zener diode of appro-
priate clamping voltage should be added between the
gate and source terminals.
Normally, a series resistor for current limitation is needed
during short-to-battery condition. R1 should be chosen
according to (18V - V
excessive current is being drawn from CHOLD.
Proper layout and grounding are essential for optimum
performance. Connect the EP and GND together at a
single point on the PCB. Ensure ground return resistance
is minimized for optimum crosstalk performance.
For the latest package outline information and land pat-
terns, 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 suf-
fix character, but the drawing pertains to the package
regardless of RoHS status.
28 TSSOP-EP
PACKAGE
TYPE
PACKAGE
U28E+5
CODE
DD(min)
Package Information
Layout and Grounding
OUTLINE
21-0108
- V
NO.
ZENER
Series Resistor (R1)
Zener Diode (D1)
)/1mA so that no
LAND PATTERN
90-0147
NO.