max9758etjt Maxim Integrated Products, Inc., max9758etjt Datasheet - Page 6
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max9758etjt
Manufacturer Part Number
max9758etjt
Description
2.3w Stereo Speaker Amplifiers And Directdrive Headphone Amplifiers With Automatic Level Control
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX9758ETJT.pdf
(31 pages)
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
(V
1µF, C
22kHz, T
6
DD
0.001
0.001
0.01
0.01
_______________________________________________________________________________________
100
0.1
0.1
3.0
2.5
2.0
1.5
1.0
0.5
10
10
= PV
1
1
0
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
PVSS
10
vs. LOAD RESISTANCE (SPEAKER MODE)
0
1
vs. OUTPUT POWER (SPEAKER MODE)
A
vs. FREQUENCY (HEADPHONE MODE)
V
R
V
R
DD
= +25°C, unless otherwise noted.)
DD
L
DD
L
f
IN
= 3Ω
= 3Ω
0.5
= 1µF, C1 = C2 = 1µF, PREF = unconnected, GAIN1 = 1, GAIN2 = GAIN3 = VOL = 0V, measurement BW = 22Hz to
= 5V
= 1kHz
= 5V
= HPV
THD+N = 1%
OUTPUT POWER = 500mW
100
f
IN
1.0
LOAD RESISTANCE (Ω)
= 10kHz
OUTPUT POWER (W)
OUTPUT POWER
OUTPUT POWER = 1.8W
FREQUENCY (Hz)
DD
1.5
= CPV
1k
10
f
THD+N = 10%
IN
2.0
= 100Hz
DD
2.5
10k
V
f = 1kHz
= IN = +5.0V, GND = PGND = CPGND = 0V, SHDN = V
DD
3.0
= 5V
100k
100
3.5
0.001
0.001
0.01
0.01
100
0.1
3.0
2.5
2.0
1.5
1.0
0.5
0.1
10
10
1
0
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
POWER DISSIPATION vs. OUTPUT POWER
10
0
0
vs. OUTPUT POWER (SPEAKER MODE)
vs. FREQUENCY (HEADPHONE MODE)
V
R
V
R
DD
L
f = 1kHz
P
f
DD
L
IN
0.5
= 4Ω
OUT
0.5
= 4Ω
= 5V
= 1kHz
= 5V
= P
OUTPUT POWER = 500mW
100
1.0
f
IN
1.0
OUTL
(SPEAKER MODE)
OUTPUT POWER (W)
OUTPUT POWER (W)
= 10kHz
OUTPUT POWER = 1.5W
FREQUENCY (Hz)
1.5
R
+ P
L
1.5
R
= 8Ω
OUTR
L
2.0
= 4Ω
1k
f
IN
2.0
Typical Operating Characteristics
= 100Hz
2.5
2.5
10k
3.0
3.0
3.5
100k
3.5
4.0
DD
0.001
0.001
0.01
0.01
-100
-110
-120
, REGEN = DR = SET = GND, C
100
0.1
0.1
-10
-20
-30
-40
-50
-60
-70
-80
-90
10
10
1
1
0
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
10
0
vs. OUTPUT POWER (SPEAKER MODE)
vs. FREQUENCY (HEADPHONE MODE)
V
R
V
R
V
R
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (SPEAKER MODE)
DD
L
DD
L
RIPPLE
L
f
= 8Ω
= 8Ω
= 8Ω
IN
= 5V
= 5V
= 1kHz
OUTPUT POWER = 500mW
100
= 200mV
100
0.5
f
IN
OUTPUT POWER (W)
OUTPUT POWER = 1W
= 10kHz
FREQUENCY (Hz)
FREQUENCY (Hz)
P-P
1.0
1k
1k
f
IN
= 100Hz
10k
10k
1.5
BIAS
100k
100k
2.0
=