MAX13301 Datasheet, PDF (5/37 Pages) Maxim Integrated Products – 4-Channel, Automotive Class D Audio Amplifier Feedback After the Filter

4-Channel, Automotive Class D Audio Amplifier
ELECTRICAL CHARACTERISTICS (continued)
(VPVDD = 14.4V, VDD = VDD5 = 5V, VGND = VPGND = 0V, fSW = 500kHz, MAP.COMP[2:0] = (see Table 20 for applicable setting),
TA = -40NC to +125NC; typical values are at TA = +25NC, unless otherwise noted.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
Short-to-Ground/PVDD
OUT__ shorted
to ground/PVDD,
CTRL1.CL_TH = 1
OUT__ shorted
to ground/PVDD,
CTRL1.CL_TH = 0
CTRL3.HCL = 0
CTRL3.HCL = 1
CTRL3.HCL = 0
CTRL3.HCL = 1
1.03
1.28
A
3.09
3.86
Level 1 Output Current Limit
ILIM1 CTRL3.HCL = 0
5.5
7
A
Level 2 Output Current Limit
THERMAL PROTECTION
ILIM2 CTRL3.HCL = 1
7
8.75
A
Thermal Warning Range 1
Guaranteed monotonic
110
NC
Thermal Warning Range 2
Guaranteed monotonic
120
NC
Thermal Warning Range 3
Guaranteed monotonic
130
NC
Thermal Warning Range 4
Guaranteed monotonic
140
NC
Thermal Shutdown Level
Guaranteed monotonic
150
165
NC
Thermal Warning Hysteresis
5
NC
Thermal Shutdown Hysteresis
15
NC
CHARGE PUMP
Switching Frequency
fCP = fSW
300
750
kHz
Soft-Start Time
100
Fs
Charge-Pump Output
Impedance
Guaranteed by FET RDS(ON)
measurement
1.8
I
Output Voltage
INTERNAL OSCILLATOR
VPVDD + 5
V
SYNC I/O Frequency Range
2x switching frequency
0.6
1.5
MHz
Frequency
Spread-spectrum disabled
17.1
18
18.9 MHz
DIGITAL INTERFACE (SCL, SDA, ADDR, CL0, MUTE_CL1, EN, SYNC, FLT_OT)
SYNC High
SYNC Low
CTRL1.CM[1:0] = 01, ISOURCE = 3mA
4.5
CTRL1.CM[1:0] = 01, ISINK = 3mA
V
0.4
V
Input Voltage High
Input Voltage Low
VINH
VINL
2.0
V
0.8
V
Input Voltage Hysteresis
300
mV
Input Leakage Current
Output Low Voltage
SDA, SCL, CL0, MUTE_CL1, FLT_OT
SDA, CL0, MUTE_CL1, ISINK = 3mA,
FLT_OT
Q10
FA
0.4
V
Pulldown Current
MUTE_CL1
EN
5
13
FA
10
18
5