MAX9788ETI+T Maxim Integrated Products, MAX9788ETI+T Datasheet - Page 6
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MAX9788ETI+T
Manufacturer Part Number
MAX9788ETI+T
Description
IC AMP AUDIO PWR 2.4W G 28TQFN
Manufacturer
Maxim Integrated Products
Type
Class Gr
Datasheet
1.MAX9788ETI.pdf
(13 pages)
Specifications of MAX9788ETI+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
14V
(V
10µF, Z
Typical values are at T
6
2, 5, 6, 8, 11, 17,
CC
19, 23, 25, 28
_______________________________________________________________________________________
= V
8
7
6
5
4
3
2
1
0
14, 22
15, 21
TQFN
L
10
EP
10
12
13
16
18
20
24
26
27
CPVDD
= 1µF + 10Ω; load terminated between OUT+ and OUT-, unless otherwise stated; T
1
3
4
7
9
P-P
V
V
CC
CC
= 3.6V
100
= 2.7V
OUTPUT AMPLITUDE
= V
vs. FREQUENCY
PIN
FREQUENCY (Hz)
, Class G Ceramic Speaker Driver
SHDN
A
= +25°C.) (Notes 1, 2)
1k
= 3.6V, V
D1, D5
C2, C4
WLP
C5
D4
D3
D2
C1
B2
A2
A3
A4
A5
B5
B4
B1
A1
—
—
V
CC
10k
= 5V
GND
100k
= V
CPGND
CPGND
CPV
NAME
SHDN
OUT+
OUT-
SV
GND
PV
N.C.
C1P
FB+
V
C1N
Typical Operating Characteristics (continued)
FB-
IN+
IN-
FS
EP
20
18
16
14
12
10
CC
8
6
4
2
0
SS
SS
= 0V, R
DD
10
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
V
OUT
10k
= 2V
FB+
RMS
= R
100k
FB-
A
FUNCTION
= 10kΩ, R
= T
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
MIN
-40
AND OUTPUT POWER vs. TEMPERATURE
WLP PACKAGE THERMAL DISSIPATION
-30
to T
OUTPUT POWER
FS
-20
PACKAGE THERMAL
DISSIPATION
MAX
-10
= 100kΩ, C1 = 4.7µF, C2 =
Pin Description
0
TEMPERATURE (°C)
, unless otherwise noted.
SS
10
.
20
30
40
50
SS
60
V
MAX9788 toc19
CC
70
and
= 5V
80
90
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0