max9738 Maxim Integrated Products, Inc., max9738 Datasheet - Page 5

• Manufacturer Part Number: max9738
• Description: 16vp-p Class G Amplifier With Inverting Boost Converter
• Manufacturer: Maxim Integrated Products, Inc.

(V
C2 = 10μF, C3 = 0.1μF, C4 = 0.1μF, T
DD
0.001
0.001
0.01
0.01
0.1
0.1
17
15
13
11
10
10
9
7
5
1
1
= V
10
2
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
BAT
V
V
DD
DD
TOTAL QUIESCENT CURRENT
1
NOISE vs. OUTPUT VOLTAGE
= 2.7V
= 2.7V
= SHDN =+3.6V, GND = 0V, R
vs. SUPPLY VOLTAGE
NOISE vs. FREQUENCY
100
OUTPUT VOLTAGE (V
3
2
SUPPLY VOLTAGE (V)
FREQUENCY (Hz)
f
IN
V
_______________________________________________________________________________________
= 5kHz
3
OUT
f
V
IN
OUT
1k
4
= 10kHz
= 1.2V
f
IN
= 3.5V
4
= 1kHz
I
RMS
Q
RMS
RMS
= I
5
10k
VDD
5
)
+ I
6
VBAT
A
= +25°C, Typical Application Circuit .)
100k
6
7
ISET
0.001
0.001
= 100kΩ, R
0.01
0.01
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.1
0.1
10
10
0
16V
1
1
2.0
10
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
V
DD
DD
2.5
1
NOISE vs. OUTPUT VOLTAGE
= 3.6V
= 3.6V
IN+
f
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
3.0
NOISE vs. FREQUENCY
100
IN
OUTPUT VOLTAGE (V
P-P
Inverting Boost Converter
SUPPLY VOLTAGE (V)
= 10kHz
2
= R
FREQUENCY (Hz)
3.5
V
OUT
IN-
V
3
OUT
4.0
= 2V
1k
= 10kΩ, R
f
IN
= 5.5V
Typical Operating Characteristics
= 1kHz
Class G Amplifier with
4
RMS
f
4.5
IN
= 5kHz
RMS
RMS
5
5.0
10k
)
FB+
5.5
6
= R
100k
6.0
7
FB-
= 10kΩ, C
0.001
0.001
0.01
0.01
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.1
0.1
10
10
1
1
0
10
10
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
V
POWER-SUPPLY REJECTION RATIO
V
DD
DD
RIPPLE
L
1
= 1.6μF, R
NOISE vs. OUTPUT VOLTAGE
= 4.2V
= 4.2V
f
= 100mV
NOISE vs. FREQUENCY
100
100
IN
OUTPUT VOLTAGE (V
= 10kHz
2
FREQUENCY (Hz)
FREQUENCY (Hz)
V
P-P
OUT
V
3
L
OUT
= 20Ω, C1 = 10μF,
1k
1k
= 2.4V
f
IN
f
= 5.5V
IN
4
= 5kHz
= 1kHz
RMS
RMS
RMS
5
10k
10k
)
6
100k
100k
7
5