
4
Maxim Integrated
Dual Automotive, Audio Line Drivers
with I2C Control and Diagnostic
MAX13325/MAX13326
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 14.4V, VL = 5V, RL = J, load impedance from OUT_+ to OUT_-, TA = TJ = -40NC to +105NC, typical values are TA = +25NC,
unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
UNITS
CHARGE PUMP
Charge-Pump Overdrive Voltage,
VCHOLD – VDD (Hard Mode)
VCPH
VDD = 4.5V, ISOURCE = 6.6mA
3.2
4.0
V
VDD = 18V, ISOURCE = 6.6mA
4.5
5.5
VCHOLD - VDD (Soft Mode)
VCPS
VDD unconnected, ISOURCE = 40FA,
VL = 3.3V
2.1
V
VL = 5V
3.9
Charge-Pump Frequency
fCP
CPOFF = 0
CPF[1:0] = 00
333
kHz
CPF[1:0] = 01
190
CPF[1:0] = 10
426
CPF[1:0] = 11
260
DIAGNOSTICS
Output Current Limit
Short to GND or battery
580
mA
Current-Limit Warning Threshold
230
mA
Open-Load Detection
10
kI
Output Offset Detection
Valid when muted
Q
250
mV
Thermal Warning Threshold
135
N
C
Thermal Shutdown Threshold
165
N
C
Thermal Shutdown Hysteresis
15
N
C
ESD PROTECTION
Air Gap IEC 61000-4-2
OUT_ pins
Q
15
kV
Contact Discharge IEC 61000-4-2
OUT_ pins
Q
8
kV
HBM
All pins
Q
2
kV