MAX9709ETN+TD Maxim Integrated Products, MAX9709ETN+TD Datasheet - Page 5

• 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

(PV
= low, MUTE = high, G1 = low, G2 = high, FS1 = FS2 = high (SSM), SYNCIN = low. All load resistors (R
OUT_-, T
0.01
100
100
0.1
DD
10
90
80
70
60
50
40
30
20
10
1
0
TOTAL HARMONIC DISTORTION PLUS NOISE
0
0
= V
f
vs. OUTPUT POWER (STEREO MODE)
IN
A
EFFICIENCY vs. OUTPUT POWER
= 1kHz
DD
= +25°C, unless otherwise stated.)
5
5
= +20V, PGND = GND = 0V, C
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
0
OUTPUT POWER (W)
(STEREO MODE)
OUTPUT POWER (W)
10
10
SHDN = 0
15
_______________________________________________________________________________________
SHUTDOWN SUPPLY CURRENT
15
12
20
25W/50W, Filterless, Spread-Spectrum,
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
20
14
25
25
16
30
35
30
18
SS
20
Stereo/Mono, Class D Amplifier
0.01
= 0.47µF, C
100
0.1
10
35
30
25
20
15
10
1
5
0
TOTAL HARMONIC DISTORTION PLUS NOISE
22
10
0
OUTPUT POWER vs. SUPPLY VOLTAGE
PV
vs. OUTPUT POWER (STEREO MODE)
DD
12
R
= 12V
LOAD
5
THD+N = 10%
REG
14
= 8Ω
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
(STEREO MODE)
= 0.01µF, C1 = 0.1µF, C2 = 1µF, R
10
16
18
R
Typical Operating Characteristics
15
LOAD
THD+N = 1%
20
= 4Ω
20
22
0.01
100
0.1
10
1
TOTAL HARMONIC DISTORTION PLUS NOISE
25
24
0
R
f
vs. OUTPUT POWER (MONO MODE)
IN
LOAD
= 1kHz
10
= 4Ω
0.01
24
22
20
18
16
14
12
10
0.1
OUTPUT POWER (W)
20
1
TOTAL HARMONIC DISTORTION PLUS NOISE
10
10
vs. SUPPLY VOLTAGE (STEREO MODE)
P
LOAD
T
OUT
30
A
vs. FREQUENCY (STEREO MODE)
= +85°C
NO-LOAD SUPPLY CURRENT
12
= 12W
100
= 8Ω, SHDN = high, MONO
L
40
SUPPLY VOLTAGE (V)
) are between OUT_+ and
14
T
FREQUENCY (Hz)
A
= -40°C
T
A
50
= +25°C
16
1k
60
18
10k
20
100k
22
5