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MAX13330_09 Datasheet, PDF (5/15 Pages) Maxim Integrated Products – Automotive DirectDrive Headphone Amplifiers with Output Protection and Diagnostics
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Automotive DirectDrive Headphone Amplifiers
with Output Protection and Diagnostics
Typical Operating Characteristics (continued)
(VDD = VCPVDD = 5V, VSGND = VPGND = 0, C1 = C2 = 1µF, RL = ∞, gain = -1.5V/V, THD+N measurement bandwidth = 22Hz to 22kHz,
TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
VDD = 5V
RL = 16Ω
1
fIN = 10kHz
fIN = 1kHz
0.1
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
VDD = 4V
RL = 32Ω
1
fIN = 10kHz
0.1
fIN = 1kHz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
VDD = 5V
RL = 32Ω
1
fIN = 10kHz
0.1
fIN = 1kHz
0.01
0.01
0.01
0.001
0
fIN = 100Hz
25 50 75 100 125 150 175
OUTPUT POWER (mW)
0.001
0
fIN = 100Hz
25
50
75
100 125
OUTPUT POWER (mW)
0.001
0
fIN = 100Hz
25 50 75 100 125 150 175
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
VDD = 5V
RL = 1kΩ
0.1
VOUT_ = 2VRMS
0.01 VOUT_ = 1VRMS
0.001
0.0001
0.01
0.1
1
10
100
FREQUENCY (kHz)
OUTPUT POWER vs. SUPPLY VOLTAGE
180
160
fIN = 1kHz
1% THD+N
140
120
RL = 32Ω
100
80
RL = 16Ω
60
RL = 8Ω
40
20
0
4.00 4.25 4.50 4.75 5.00 5.25 5.50
SUPPLY VOLTAGE (V)
OUTPUT POWER vs. LOAD RESISTANCE
200
180 fIN = 1kHz
160
10% THD+N
VDD = 5V
140 1% THD+N
120 VDD = 5V
100
10% THD+N
VDD = 4V
80
60
40
1% THD+N
20
VDD = 4V
0
0
10
100
1000
LOAD RESISTANCE (Ω)
POWER DISSIPATION vs.
OUTPUT POWER PER CHANNEL
800
VDD = 4V
700
fIN = 1kHz
600 RL = 8Ω
500
RL = 16Ω
400
300
200
RL = 32Ω
100
0
0 20 40 60 80 100 120
OUTPUT POWER PER CHANNEL (mW)
POWER DISSIPATION vs.
OUTPUT POWER PER CHANNEL
1200
VDD = 5V
1000
fIN = 1kHz
RL = 8Ω
800
RL = 16Ω
600
400
200
RL = 32Ω
0
0 20 40 60 80 100 120 140 160 180
OUTPUT POWER PER CHANNEL (mW)
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