MAX9709ETN+TD Maxim Integrated Products, MAX9709ETN+TD Datasheet - Page 11

• Manufacturer Part Number: MAX9709ETN+TD
• Description: IC AMP AUDIO PWR 50W STER 56TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class Dr

Specifications of MAX9709ETN+TD

• Output Type: 1-Channel (Mono) or 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 50W x 1 @ 4 Ohm; 29W x 2 @ 8 Ohm
• Voltage - Supply: 10 V ~ 22 V
• Features: Depop, Differential Inputs, Mute, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 56-TQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 2. Typical Application and Functional Diagram in Mono Mode
AUDIO
INPUT
V
V
DIGITAL
DIGITAL
+
-
CONFIGURATION: TQFN MONO MODE, SSM, INTERNAL OSCILLATOR, GAIN = 22dB, THERMAL SETTING = +120°C
*ADDITIONAL BULK CAPACITANCE
V
1μF
1μF
DIGITAL
______________________________________________________________________________________
Typical Application Circuits/Functional Diagrams (continued)
15
14
13
27
26
30
31
28
29
18
25W/50W, Filterless, Spread-Spectrum,
FS1
FS2
SYNCIN
INR+
INR-
SHDN
MUTE
G1
G2
MONO
35
TH0
R
R
IN
IN
34
22, 23
TH1
V
GND
DIGITAL
CONTROL
CONTROL
0.1μF
TH2
33
GAIN
Stereo/Mono, Class D Amplifier
R
R
V
V
F
F
DD
DD
THERMAL SENSOR
25
V
BIAS
MAX9709
5–7, 36–38
MUX
PV
PV
DD
DD
0.1μF
47μF*
AND H-BRIDGE
AND H-BRIDGE
MODULATOR
MODULATOR
REGULATOR
CLASS D
CLASS D
CHARGE
PGND
PUMP
24
PV
PV
SS
2–4, 39–41, 49–50
DD
DD
C
0.47μF
SS
SYNCOUT
OUTR+
CPV
OUTL+
OUTR-
OUTL-
TEMP
C1P
C1N
REG
DD
11
53, 54
51, 52
47, 48
45, 46
10
9
8
19, 20, 21
32
V
V
DIGITAL
DIGITAL
1μF
10kΩ
C2
10kΩ
C1
0.1μF
C
0.01μF
PV
REG
DD
11