MAX9730ETI+T Maxim Integrated Products, MAX9730ETI+T Datasheet - Page 6

• Manufacturer Part Number: MAX9730ETI+T
• Description: IC AMP AUDIO PWR 2.4W G 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class Gr

Specifications of MAX9730ETI+T

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 2.4W x 1 @ 8 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Differential Inputs, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

OUT+ - OUT-
2.4W, Single-Supply, Class G Power Amplifier
(V
10µF, R
unless otherwise noted. Typical values are at T
6
6
2, 5, 6, 8, 11, 17,
CC
10V/div
19, 23, 25, 28
5V/div
5V/div
OUT+
OUT-
_______________________________________________________________________________________
_______________________________________________________________________________________
= V
TQFN
14, 22
15, 21
L
10
12
13
16
18
20
24
26
27
EP
CPVDD
1
3
4
7
9
= 8Ω; speaker load resistors (R
CLASS G OUTPUT WAVEFORM
= V
PIN
SHDN
200μs/div
= 3.6V, V
D1, D5
C2, C4
WLP
B2
A2
A3
A4
A5
B5
B4
C5
D4
D3
D2
C1
B1
A1
—
—
1% THD+N
GND
MAX9730 toc17
= V
L
) are terminated between OUT+ and OUT-, unless otherwise stated; T
CPGND
A
CPGND
CPV
NAME
SHDN
OUT+
OUT-
20
18
16
14
12
10
SV
PV
GND
Typical Operating Characteristics (continued)
N.C.
C1N
= +25°C.) (Notes 1, 2)
C1P
FB+
V
IN+
8
6
4
2
0
FB-
IN-
EP
FS
CC
= 0V, R
10
SS
SS
DD
IN+
FREQUENCY RESPONSE
100
Shutdown
No Connection. No internal connection.
Charge-Pump Flying Capacitor, Positive Terminal. Connect a 4.7µF
capacitor between C1P and C1N.
Charge-Pump Positive Supply
Negative Amplifier Feedback
Negative Amplifier Input
Positive Amplifier Input
Positive Amplifier Feedback
Charge-Pump Frequency Set. Connect a 100kΩ resistor from FS to
GND to set the charge-pump switching frequency.
Supply Voltage. Bypass with a 10µF capacitor to GND.
Amplifier Negative Power Supply. Connect to PV
Negative Amplifier Output
Ground
Positive Amplifier Output
Charge-Pump Output. Connect a 10µF capacitor between PV
CPGND.
Charge-Pump Flying Capacitor, Negative Terminal. Connect a 4.7µF
capacitor between C1N and C1P.
Charge-Pump Ground. Connect to GND.
Exposed Pad. Connect the TQFN EP to GND.
= R
FREQUENCY (Hz)
IN-
1k
= 10kΩ, R
10k
P
OUT
FB+
= 1W
= R
100k
FB-
= 10kΩ, R
FUNCTION
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-40
PACKAGE THERMAL DISSIPATION AND
OUTPUT POWER vs. TEMPERATURE
-30
OUTPUT POWER
-20
PACKAGE THERMAL
DISSIPATION
FS
-10
= 100kΩ, C1 = 4.7µF, C2 =
0
TEMPERATURE (°C)
Pin Description
10
SS
20
A
.
30
= T
40
MIN
50
60
to T
V
MAX9730 toc19
CC
70
SS
= 5V
MAX
80
and
90
,
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0