max9724c Maxim Integrated Products, Inc., max9724c Datasheet - Page 5

• Manufacturer Part Number: max9724c
• Description: Low Rf Susceptibility Directdrive Stereo Head- Phone Amplifier With 1.8v Compatible Shutdown
• Manufacturer: Maxim Integrated Products, Inc.

(V
THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, T
phone Amplifier with 1.8V Compatible Shutdown
0.001
0.001
0.001
0.01
0.01
0.01
DD
0.1
0.1
0.1
1
1
1
Low RF Susceptibility DirectDrive Stereo Head-
10
= 5V, PGND = SGND = 0V, SHDN = V
10
10
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
R
V
R
V
R
DD
L
DD
L
DD
L
= 16Ω
= 16Ω
NOISE vs. FREQUENCY (UCSP)
= 32Ω
NOISE vs. FREQUENCY (UCSP)
NOISE vs. FREQUENCY (TQFN)
= 3V
= 5V
= 5V
100
100
100
P
OUT
P
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
P
P
= 20mW
OUT
OUT
OUT
P
OUT
= 37mW
= 45mW
_______________________________________________________________________________________
= 5mW
1k
1k
1k
= 10mW
P
OUT
= 20mW
10k
10k
10k
100k
100k
100k
DD
0.001
0.001
0.01
, C1 = C2 = 1µF, R
0.01
0.1
0.1
60
50
40
30
20
10
0
Typical Operating Characteristics (continued)
1
1
2.5
10
10
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
R
f
R
V
R
IN
DD
L
L
DD
L
P
= 16Ω
= 1kHz
= 16Ω
NOISE vs. FREQUENCY (UCSP)
= 32Ω
NOISE vs. FREQUENCY (TQFN)
OUT
= 5V
P
OUTPUT POWER vs. SUPPLY
3.0
= 3V
OUT
= 8mW
100
100
= 20mW
10% THD+N
SUPPLY VOLTAGE (V)
VOLTAGE (TQFN)
3.5
FREQUENCY (Hz)
FREQUENCY (Hz)
P
P
OUT
OUT
L
= 32mW
4.0
1k
= 15mW
1k
= ∞, gain = -1.5V/V (R
1% THD+N
4.5
10k
10k
5.0
100k
100k
5.5
A
= +25°C, unless otherwise noted.)
IN
0.001
0.001
0.01
0.01
= 20kΩ, R
0.1
70
60
50
40
30
20
10
0.1
0
1
1
2.5
10
10
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
R
V
R
f
R
IN
DD
L
DD
L
L
= 32Ω
NOISE vs. FREQUENCY (UCSP)
P
= 32Ω
= 1kHz
= 16Ω
NOISE vs. FREQUENCY (TQFN)
= 3V
OUTPUT POWER vs. SUPPLY
3.0
OUT
= 5V
F
100
= 8mW
100
= 30kΩ for the MAX9724C),
10% THD+N
SUPPLY VOLTAGE (V)
P
VOLTAGE (UCSP)
3.5
OUT
P
FREQUENCY (Hz)
FREQUENCY (Hz)
OUT
= 30mW
P
OUT
= 13mW
4.0
1k
1k
= 50mW
1% THD+N
4.5
10k
10k
5.0
100k
100k
5.5
5