MAX9708ETN+TD Maxim Integrated Products, MAX9708ETN+TD Datasheet - Page 8

• Manufacturer Part Number: MAX9708ETN+TD
• Description: IC AMP AUDIO PWR 42W STER 56TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class Dr

Specifications of MAX9708ETN+TD

• Output Type: 1-Channel (Mono) or 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 42W x 1 @ 4 Ohm; 21W x 2 @ 8 Ohm
• Voltage - Supply: 10 V ~ 18 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

20W/40W, Filterless, Spread-Spectrum,
Mono/Stereo, Class D Amplifier
(PV
= low, MUTE = high, G1 = low, G2 = high, FS1 = FS2 = high (SSM), SYNCIN = low. All load resistors (R
OUT_-, T
8
17, 32, 33, 41,
48, 49, 50, 55,
2, 3, 4, 45, 46,
1, 8, 13, 16,
58, 63, 64
47, 56, 57
42, 43, 44
DD
_______________________________________________________________________________________
-100
-105
-110
5, 6, 7,
-60
-65
-70
-75
-80
-85
-90
-95
TQFP
= V
10
A
INPUT REFERRED
DD
COMMON-MODE REJECTION RATIO
= +25°C, unless otherwise stated.)
= +18V, PGND = GND = 0V, C
PIN
40
35
25
20
15
10
30
100
5
0
MAXIMUM STEADY-STATE OUTPUT POWER
30
40, 41, 49, 50
1, 12, 42, 43,
vs. FREQUENCY
2, 3, 4, 39,
FREQUENCY (Hz)
44, 55, 56
36, 37, 38
MEASURED WITH THE EV KIT (TQFN
PACKAGE), JUNCTION TEMPERATURE
MAINTAINED AT +110°C
5, 6, 7,
TQFN
1k
AMBIENT TEMPERATURE (°C)
40
vs. TEMPERATURE
10k
50
PV
STEREO MODE, 1kHz,
FS1 = FS2 = 1
TH0 = TH1 = 1
TH2 = 0
NAME
PGND
PV
N.C.
DD
DD
= 18V, 8Ω
100k
60
SS
No Connection. Not internally connected.
Power Ground
Positive Power Supply. Bypass to PGND with a 0.1µF and a 47µF capacitor with the
smallest capacitor placed as close to pins as possible.
= 0.47µF, C
-100
-110
Typical Operating Characteristics (continued)
-30
-40
-50
-60
-70
-80
-90
70
10
POWER-SUPPLY REJECTION RATIO
REG
100
vs. FREQUENCY
FREQUENCY (Hz)
= 0.01µF, C1 = 0.1µF, C2 = 1µF, R
1k
10k
FUNCTION
30
20
100k
70
60
50
40
10
0
MAXIMUM STEADY-STATE OUTPUT POWER
30
MEASURED WITH THE EV KIT (TQFN
PACKAGE), JUNCTION TEMPERATURE
MAINTAINED AT +110°C
-100
-110
-120
-40
-50
-60
-70
-80
-90
AMBIENT TEMPERATURE (°C)
40
vs. TEMPERATURE
10
LOAD
CROSSTALK vs. FREQUENCY
L
50
) are between OUT_+ and
= ∞, SHDN = high, MONO
100
PV
MONO MODE, 1kHz,
FS1 = FS2 = 1
TH0 = TH1 = 1
TH2 = 0
Pin Description
DD
FREQUENCY (Hz)
= 18V, 4Ω
60
1k
70
10k
100k