80mW, DirectDrive Stereo Headphone Driver
with Shutdown
Typical Operating Characteristics (continued)
(C1 = C2 = 2.2µF, THD + N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
100
VDD = 1.8V
AV = -1V/V
10 RL = 16Ω
fIN = 1kHz
OUTPUTS IN
PHASE
1
0.1
0.01
0.001
0
OUTPUTS
180° OUT OF
PHASE
ONE
CHANNEL
10 20 30 40 50 60
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
100
VDD = 1.8V
AV = -2V/V
10 RL = 16Ω
fIN = 1kHz
1 OUTPUTS IN
PHASE
0.1
0.01
OUTPUTS
180° OUT OF
PHASE
ONE
CHANNEL
0.001
0
10 20 30 40 50 60
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
100
VDD = 1.8V
AV = -1V/V
10 RL = 32Ω
fIN = 1kHz
1
OUTPUTS IN
PHASE
0.1
OUTPUTS
180° OUT OF
PHASE
0.01
0.001
0
ONE
CHANNEL
10
20
30
40
50
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
100
VDD = 1.8V
AV = -1V/V
10 RL = 16Ω
fIN = 10kHz
1
OUTPUTS IN
PHASE
0.1
0.01
OUTPUTS
180° OUT OF
PHASE
ONE
CHANNEL
0.001
0
10 20 30 40 50 60
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
100
VDD = 1.8V
AV = -2V/V
10 RL = 16Ω
fIN = 10kHz
1
0.1
0.01
0.001
0
OUTPUTS IN
PHASE
OUTPUTS
180° OUT OF
PHASE
ONE
CHANNEL
10 20 30 40 50 60
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
100
VDD = 1.8V
AV = -1V/V
10 RL = 32Ω
fIN = 10kHz
1
OUTPUTS IN
PHASE
0.1
OUTPUTS
180° OUT OF
PHASE
ONE
0.01
CHANNEL
0.001
0
10
20
30
40
50
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
100
VDD = 1.8V
AV = -2V/V
10 RL = 16Ω
fIN = 20Hz
1 OUTPUTS IN
PHASE
0.1
0.01
OUTPUTS
180° OUT OF
PHASE
ONE
CHANNEL
0.001
0
10 20 30 40 50 60
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
100
VDD = 1.8V
AV = -1V/V
10 RL = 32Ω
fIN = 20Hz
1 OUTPUTS IN
PHASE
0.1
OUTPUTS
180° OUT OF
PHASE
0.01
0.001
0
ONE
CHANNEL
10
20
30
40
50
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
100
VDD = 1.8V
AV = -2V/V
10 RL = 32Ω
fIN = 20Hz
1
OUTPUTS IN
PHASE
0.1
OUTPUTS
180° OUT OF
PHASE
0.01
0.001
0
ONE
CHANNEL
10
20
30
40
50
OUTPUT POWER (mW)
6 _______________________________________________________________________________________