Operating Temperature Range ........................ -40NC to +105NC
Storage Temperature Range............................ -65NC to +150NC
Junction Temperature .....................................................+150NC
Lead Temperature (soldering, 10s) ................................+300NC
Soldering Temperature (reflow) ......................................+260NC
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
PACKAGE THERMAL CHARACTERISTICS (Note 1)
Junction-to-Ambient Thermal Resistance (q
JA
) ..........37°C/W
Junction-to-Case Thermal Resistance (q
JC
) .................2°C/W
Note 1:
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to
www.maximintegrated.com/thermal-tutorial.
ELECTRICAL CHARACTERISTICS
(V
DD
= 14.4V, V
L
= 5V, R
L
=
J,
load impedance from OUT_+ to OUT_-, T
A
= T
J
= -40NC to +105NC, typical values are T
A
= +25NC,
unless otherwise noted.) (Note 2)
PARAMETER
Transient Supply Voltage
(Load Dump)
Operating Supply Voltage Range
V
DD
OVLO Threshold
V
DD
UVLO Threshold
V
L
UVLO Threshold
Supply Current
Logic Supply Current
Shutdown Supply Current
Turn-On Time (from Shutdown)
Turn-On Time (from Mute)
Differential Input Resistance
Single-Ended Input Impedance
Signal-Path Gain (Note 3)
R
INDIF
R
IN
A
V
SYMBOL
CONDITIONS
Using external nMOS-RTR020N05, 300ms
duration
4.5
2.7
Rising edge
Falling edge
Falling edge
T
A
= +25NC, no load
T
A
= -40NC to +105NC, no load
V
L
= 5V
I
DD
I
L
MUTE
= V
L
SHDN
= V
L
, C
CSS
= 220nF
Measure across input
Each input to ground (MAX13325)
Each input to ground (MAX13326)
MAX13325
MAX13326
18
15
12
11.8
-0.2
T
A
= +25NC
T
A
= -40NC to +105NC
1.7
0.5
0.5
< 0.1
220
6
24
20
16
12
0
30
25
20
12.2
+0.2
2
10
18.5
3.3
2.2
19.2
3.5
2.4
39
50
MIN
TYP
MAX
UNITS
AMPLIFIER DC CHARACTERISTICS
V
DDMAX
V
DD
V
L
V
DDOV
V
DDUV
V
LUV
I
DD
I
L
I
SHDN
50
18
5.5
V
V
V
V
V
mA
mA
mA
FA
FA
ms
ms
kI
kI
dB
2
Maxim Integrated
MAX13325/MAX13326
Dual Automotive, Audio Line Drivers
with I
2
C Control and Diagnostic
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 14.4V, V
L
= 5V, R
L
=
J,
load impedance from OUT_+ to OUT_-, T
A
= T
J
= -40NC to +105NC, typical values are T
A
= +25NC,
unless otherwise noted.) (Note 2)
PARAMETER
Channel-to-Channel Gain
Tracking
Differential Mode Output Balance
OUT_+ to OUT_- (Note 4)
Output Offset Voltage
(OUT_+ to OUT_-)
BIAS Voltage
BIAS Impedance
Output-Voltage Swing Differential
V
OOS
V
BIAS
Z
BIAS
MUTE
= GND, T
A
= +25NC
MUTE
= V
L
, T
A
= +25NC
Relative to V
DD
I
BIAS
=
Q10FA
V
DD
= 14.4V, V
IN
=
Q14.4V,
R
L
= 1kI
V
DD
= 5.0V, V
IN
=
Q5V,
R
L
= 1kI
V
DD
= 4.5V to 18V
Power-Supply Rejection Ratio
Common-Mode Rejection Ratio
AMPLIFIER AC CHARACTERISTICS
V
OUT
= 4V
RMS
, R
L
= 2.7kI
Total Harmonic Distortion Plus
Noise (Note 5)
THD+N
V
OUT
= 4V
RMS
, R
L
= 1kI
V
OUT
= 4V
RMS
, R
L
= 100I, V
DD
= 8V
V
OUT
= 7V
RMS
, R
L
= 1kI
Total Harmonic Distortion Plus
Noise at V
DD
= 5V (Note 5)
Capacitive-Load Stability
Capacitive-Load Drive Capability
No sustained
oscillation
C
LOAD
to GND
C
LOAD
differential
112
dB
122
3
2.5
A-weighted, MAX13325
A-weighted, MAX13326
V
IN
= 1V
RMS
, 1kHz
To achieve soft mute, C
CSS
= 220nF
V
IN
= 1V
RMS
, 1kHz
K
CP
K
CP
Into and out of mute
Into and out of shutdown, 1kI
10
3
-110
4
-75
-70
-45
MHz
V/Fs
FV
dB
ms
dB
dBV
dBV
V
OUT
= 1V
RMS
, R
L
= 2.7kI
THD+N
V
OUT
= 1V
RMS
, R
L
= 1kI
V
OUT
= 2V
RMS
, R
L
= 1kI
0.002
0.004
0.03
0.2
0.01
0.02
0.8
3
4
3
nF
nF
%
%
PSRR
CMRR
V
DD
= 14.5V, +500mV
P-P
ripple at 1kHz
V
DD
= 14.5V, +500mV
P-P
ripple at 10kHz
V
IN
= 1V
RMS
, 100Hz to 10kHz
-48
69
Q12.5
Q4.2
-80
-96
-95
-80
-80
dB
dB
-40
Q0.5
Q0.2
50
92
Q10
Q3
52.5
115
SYMBOL
CONDITIONS
MIN
TYP
MAX
Q0.4
UNITS
dB
dB
mV
%
kI
V
Signal-to-Noise Ratio (Note 5)
SNR
MAX13325, gain = 12dB, V
OUT
= 4V
RMS
,
A-weighted
MAX13326, gain = 0dB, V
OUT
= 4V
RMS
,
A-weighted
Unity-Gain Bandwidth
Output Slew Rate
Output-Voltage Noise
Crosstalk
Mute Time
Mute Attenuation
Click-and-Pop Level (Note 6)
Click-and-Pop Level (Note 6)
Maxim Integrated
3
MAX13325/MAX13326
Dual Automotive, Audio Line Drivers
with I
2
C Control and Diagnostic
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 14.4V, V
L
= 5V, R
L
=
J,
load impedance from OUT_+ to OUT_-, T
A
= T
J
= -40NC to +105NC, typical values are T
A
= +25NC,
unless otherwise noted.) (Note 2)
PARAMETER
CHARGE PUMP
Charge-Pump Overdrive Voltage,
V
CHOLD
– V
DD
(Hard Mode)
V
CHOLD
- V
DD
(Soft Mode)
V
CPH
V
DD
= 4.5V, I
SOURCE
= 6.6mA
V
DD
= 18V, I
SOURCE
= 6.6mA
V
DD
unconnected, I
SOURCE
= 40FA,
V
L
= 3.3V
V
L
= 5V
CPF[1:0] = 00
Charge-Pump Frequency
f
CP
CPOFF = 0
CPF[1:0] = 01
CPF[1:0] = 10
CPF[1:0] = 11
DIAGNOSTICS
Output Current Limit
Current-Limit Warning Threshold
Open-Load Detection
Output Offset Detection
Thermal Warning Threshold
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
ESD PROTECTION
Air Gap IEC 61000-4-2
Contact Discharge IEC 61000-4-2
HBM
OUT_ pins
OUT_ pins
All pins
Q15
Q8
Q2
kV
kV
kV
Valid when muted
10
Q250
135
165
15
Short to GND or battery
580
230
mA
mA
kI
mV
NC
NC
NC
3.2
4.5
2.1
3.9
333
190
426
260
kHz
4.0
5.5
V
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
CPS
V
4
Maxim Integrated
MAX13325/MAX13326
Dual Automotive, Audio Line Drivers
with I
2
C Control and Diagnostic
DIGITAL CHARACTERISTICS
(V
DD
= 14.4V, V
L
= 3.3V, T
A
= T
J
= -40NC to +105NC, typical values are T
A
= +25NC, unless otherwise noted.) (Note 2)
PARAMETER
DIGITAL INTERFACE
Input-Voltage High
Input-Voltage Low
Input-Voltage Hysteresis
Input Leakage Current
Output Low Voltage
Output Leakage Current
Stand-Alone
FLAG
Pulse Width
Stand-Alone Fault Retry Time
I
2
C TIMING
Serial-Clock Frequency
Bus Free Time
Hold Time
SCL Low Time
SCL High Time
Data Hold Time
Data Setup Time
Bus Capacitance
Receiving Rise Time
Receiving Fall Time
Transmitting Fall Time
STOP Condition Setup Time
Pulse Width of Suppressed Spike
f
SCL
t
BUF
t
HD:STA
t
LOW
t
HIGH
t
HD:DAT
t
SU:DAT
C
B
t
R
t
F
t
F
t
SU:STO
t
SP
Per bus line
SCL, SDA
SCL, SDA
SDA, V
L
= 3.6V
20 + 0.1C
B
20 + 0.1C
B
20 + 0.05C
B
0.6
0
50
Between START and STOP conditions
Repeated START condition
0
1.3
0.6
1.3
0.6
0
100
400
300
300
250
900
400
kHz
Fs
Fs
Fs
Fs
ns
ns
pF
ns
ns
ns
Fs
ns
FLAG,
SDA, I
SINK
= 3mA
FLAG,
SDA = 5.5V
ADD0, ADD1 = GND
ADD0, ADD1 = GND
100
500
V
INH
V
INL
V
L
= 2.7V to 5.5V
V
L
= 2.7V to 5.5V
50
Q100
0.4
2
0.75 x V
L
0.25 x V
L
V
V
mV
FA
V
FA
ms
ms
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Note 2:
All devices are 100% tested at T
A
= +25NC. Limits over temperature are guaranteed by design.
(V
OUT_
+
)
−
(V
OUT_
−
)
Note 3:
Signal path gain is defined as:
20
×
log
.
(V
IN_
+
)
−
(V
IN
_
−
)
Note 3:
Signal Path Gain is defined as
Note 4:
Measured in differential output mode, differential input voltage 4V
P-P
(for 0dB gain), 1V
P-P
(for 12dB gain) 1kHz.
Common-mode output balance is defined as:
20
×
log
( | V
OUT_
+
)
−
( V
OUT_
−
)
.
)
×
2
_
−
Common-Mode Output Balance is defined as
Note 5:
22Hz to 22kHz measurement bandwidth.
Note 6:
KCP level is calculated as 20log[(peak voltage during mode transition, no input signal)/1V
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