MAX9706ETX+ Maxim Integrated Products, MAX9706ETX+ Datasheet - Page 6

• Manufacturer Part Number: MAX9706ETX+
• Description: IC AMP AUDIO 2.3W STER+1 36TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class Dr

Specifications of MAX9706ETX+

• Output Type: 2-Channel (Stereo) with Stereo Headphones and Subwoofer
• Max Output Power X Channels @ Load: 2.3W x 3 @ 4 Ohm; 95mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 36-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3-Channel, 2.3W, Filterless Class D Amplifiers
with Active Crossover
(V
MGAIN = float (-6dB), SYNC_IN = V
Headphone load R
T
6
A
DD
0.001
0.001
= T
0.01
0.01
100
_______________________________________________________________________________________
0.1
0.1
10
10
= PV
1
1
MIN
10
0
V
R
V
R
OUTPUT POWER = 1.5W
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
DD
L
DD
L
DD
to T
= 8Ω
= 4Ω
= 5V
= 5V
0.3
NOISE vs. OUTPUT POWER
= HPV
MAX
f
f
NOISE vs. FREQUENCY
100
IN
IN
= 2kHz
= 200Hz
0.6
OUTL AND OUTR
OUTPUT POWER (W)
, unless otherwise noted. Typical values at T
LH
FREQUENCY (Hz)
DD
OUTM
0.9
connected between HPR/HPL to GND. C
= 5V, GND = PGND = CPGND = 0V, SHDN = V
1k
1.2
f
IN
= 10kHz
10k
1.5
DD
1.8
(SSM), speaker load R
100k
Typical Operating Characteristics—Speaker Mode
0.001
0.001
0.01
0.01
100
0.1
0.1
10
10
1
1
10
0
SYNC_IN = V
V
R
OUTPUT POWER = 900mW
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
R
f
IN
DD
L
DD
L
= 8Ω
= 8Ω
= 1kHz
= 5V
SYNC_IN = FLOAT
= 5V
NOISE vs. OUTPUT POWER
NOISE vs. FREQUENCY
100
0.5
A
L
BIAS
= +25°C.)
DD
OUTPUT POWER (W)
connected between OUT+ and OUT-, unless otherwise noted, R
FREQUENCY (Hz)
OUTL AND OUTR
SYNC_IN = GND
OUTM
= 1µF to GND, 1µF capacitor between C1P and C1N, C
1.0
1k
DD
, GAIN1 = GAIN2 = GND (+9dB), FS0 = FS1 = GND (800Hz),
1.5
10k
100k
2.0
0.001
0.001
0.01
0.01
100
100
0.1
0.1
10
10
1
1
0
0
V
R
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
R
f
SYNC_IN = 0.8MHz
IN
DD
L
DD
L
= 4Ω
= 8Ω
= 1kHz
SYNC_IN = 2MHz
= 5V
= 5V
0.5
f
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
IN
= 200Hz
0.5
OUTPUT POWER (W)
OUTPUT POWER (W)
1.0
f
IN
f
IN
1.5
1.0
SYNC_IN = 1.4MHz
= 2kHz
= 10kHz
2.0
1.5
VSS
2.5
= 1µF.
L
= ∞.
3.0
2.0