
7
Maxim Integrated
Dual Automotive, Audio Line Drivers
with I2C Control and Diagnostic
MAX13325/MAX13326
Typical Operating Characteristics (continued)
(
VDD = 14.4V, VL = 5V, RL = 1kI, gain = 12dB, TA = +25NC, unless otherwise noted.)
OUTPUT VOLTAGE vs. CHARGE-PUMP
OVERDRIVE VOLTAGE
MAX13325
toc12
(VCHOLD - VDD) (V)
OUTPUT
VOLTAGE
(V)
4.0 4.5
3.5
2.5 3.0
0.5 1.0 1.5 2.0
7.5
8.0
8.5
9.0
9.5
10.5
10.0
7.0
0
5.0
THDN = 1%
fIN = 1kHz
VDD = 14.4
RL = 1kI
CPOFF = 1
GAIN vs. TEMPERATURE
MAX13325
toc14
TEMPERATURE (°C)
GAIN
(dB)
95
80
-25 -10 5
35 50
20
65
-0.15
-0.10
-0.05
0
0.05
0.10
0.15
0.20
-0.20
-40
MAX13326 (0dB)
VOUT = 1VRMS
RIGHT CHANNEL
LEFT CHANNEL
GAIN ERROR vs. TEMPERATURE
MAX13325
toc10
TEMPERATURE (°C)
GAIN
ERROR
(dB)
95
80
-25 -10 5
35 50
20
65
-0.015
-0.010
-0.005
0
0.005
0.010
0.015
0.020
-0.020
-40
LEFT CHANNEL
RIGHT CHANNEL
OUTPUT-NOISE VOLTAGE vs. FREQUENCY
MAX13325
toc13
FREQUENCY (kHz)
OUTPUT
NOISE
VOLTAGE
(dBV)
18
16
12 14
4
6
8 10
2
-130
-140
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-150
020
MAX13326 (0dB)
GAIN ERROR vs. FREQUENCY
MAX13325
toc12
FREQUENCY (Hz)
GAIN
ERROR
(dB)
10k
1k
100
-0.040
-0.035
-0.030
-0.025
-0.020
-0.015
-0.010
-0.005
0
0.005
0.010
0.015
0.020
0.050
0.045
0.025
0.030
0.035
0.040
-0.050
-0.045
10
100k
1VRMS OUTPUT
GAIN ERROR vs. FREQUENCY
MAX13325
toc15
FREQUENCY (Hz)
GAIN
ERROR
(dB)
10k
1k
100
-0.040
-0.030
-0.020
-0.010
0
0.010
0.015
0.020
0.025
0.030
0.035
0.040
0.045
0.050
-0.050
-0.045
-0.035
-0.025
-0.015
-0.005
0.005
10
100k
MAX13326 (0dB)
1VRMS OUTPUT