max9758etjt Maxim Integrated Products, Inc., max9758etjt Datasheet - Page 7

• Manufacturer Part Number: max9758etjt
• Description: 2.3w Stereo Speaker Amplifiers And Directdrive Headphone Amplifiers With Automatic Level Control
• Manufacturer: Maxim Integrated Products, Inc.

0.001
0.001
-100
-110
0.01
0.01
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.1
(V
1µF, C
22kHz, T
0.1
10
10
1
0
1
Headphone Amplifiers with Automatic Level Control
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
DD
10
10
10
vs. FREQUENCY (HEADPHONE MODE)
vs. FREQUENCY (HEADPHONE MODE)
V
R
V
R
= PV
DD
L
DD
L
PVSS
= 16Ω
RIGHT TO LEFT
= 32Ω
= 5V
CROSSTALK vs. FREQUENCY
= 3.3V
OUTPUT POWER = 50mW
A
OUTPUT POWER = 100mW
100
DD
= +25°C, unless otherwise noted.)
OUTPUT POWER = 40mW
100
100
OUTPUT POWER = 20mW
2.3W Stereo Speaker Amplifiers and DirectDrive
= 1µF, C1 = C2 = 1µF, PREF = unconnected, GAIN1 = 1, GAIN2 = GAIN3 = VOL = 0V, measurement BW = 22Hz to
(SPEAKER MODE)
= HPV
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
LEFT TO RIGHT
1k
1k
1k
DD
_______________________________________________________________________________________
= CPV
V
IN
10k
= 200mV
10k
10k
DD
P-P
= IN = +5.0V, GND = PGND = CPGND = 0V, SHDN = V
100k
100k
100k
0.001
0.001
0.01
0.01
100
0.1
0.1
10
10
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
10
0
TURN-ON RESPONSE (SPEAKER MODE)
vs. FREQUENCY (HEADPHONE MODE)
f
V
R
HPV
R
IN
20
DD
L
L
Typical Operating Characteristics (continued)
= 100Hz
= 32Ω
= 16Ω
DD
= 5V
40
OUTPUT POWER = 20mW
= 5V
OUTPUT POWER = 60mW
100
OUTPUT POWER (mW)
60
f
IN
FREQUENCY (Hz)
f
= 10kHz
IN
80
10ms/div
= 1kHz
100
1k
120
140
10k
160
MAX9756 toc11
180
100k
200
OUT_+
2V/div
OUT_-
2V/div
OUT_+ - OUT_-
50mV/div
SHDN
5V/div
0.001
0.001
0.01
0.01
100
0.1
0.1
10
10
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
vs. OUTPUT POWER (HEADPHONE MODE)
0
TURN-OFF RESPONSE (SPEAKER MODE)
DD
vs. FREQUENCY (HEADPHONE MODE)
V
R
HPV
R
f
DD
L
10
, REGEN = DR = SET = GND, C
IN
L
= 16Ω
= 32Ω
= 10kHz
= 3.3V
DD
OUTPUT POWER = 80mW
20
= 5V
OUTPUT POWER = 20mW
100
30
OUTPUT POWER (mW)
FREQUENCY (Hz)
f
IN
f
IN
40
= 100Hz
10ms/div
= 1kHz
1k
50
60
70
10k
80
MAX9756 toc12
90
100k
100
OUT_+
2V/div
OUT_-
2V/div
OUT_+ - OUT_-
50mV/div
SHDN
5V/div
BIAS
=
7