MAX9706ETX+T Maxim Integrated Products, MAX9706ETX+T Datasheet - Page 10

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

Specifications of MAX9706ETX+T

• 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
10
A
DD
0.001
= T
0.01
140
120
100
100
0.1
80
60
40
20
10
______________________________________________________________________________________
= PV
0
1
MIN
10
0
HPV
R
TOTAL HARMONIC DISTORTION PLUS
THD+N = 1%
L
DD
to T
= 16Ω
DD
20
NOISE vs. OUTPUT POWER
= HPV
f
Typical Operating Characteristics—Headphone Mode (continued)
= 5V
MAX
IN
vs. LOAD RESISTANCE
= 10kHz
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
OUTPUT POWER
THD+N = 10%
, unless otherwise noted. Typical values at T
40
LH
DD
connected between HPR/HPL to GND. C
= 5V, GND = PGND = CPGND = 0V, SHDN = V
100
60
f
IN
= 1kHz
f
IN
80
= 200Hz
HPV
f = 1kHz
DD
100
DD
= 5V
(SSM), speaker load R
1000
120
0.001
0.01
130
110
100
0.1
90
70
50
30
10
1
3.0
0
HPV
R
TOTAL HARMONIC DISTORTION PLUS
THD+N = 1%
L
vs. HEADPHONE SUPPLY VOLTAGE
f
IN
= 32Ω
DD
= 10kHz
10
NOISE vs. OUTPUT POWER
3.5
= 5V
A
L
20
BIAS
= +25°C.)
OUTPUT POWER (mW)
OUTPUT POWER
connected between OUT+ and OUT-, unless otherwise noted, R
R
R
4.0
L
L
HPV
= 16Ω
f
30
= 32Ω
IN
= 1µF to GND, 1µF capacitor between C1P and C1N, C
f
= 1kHz
IN
DD
DD
= 200Hz
(V)
40
4.5
, GAIN1 = GAIN2 = GND (+9dB), FS0 = FS1 = GND (800Hz),
50
5.0
60
5.5
70
-100
-120
-20
-40
-60
-80
140
120
100
80
60
40
20
0
0
10
10
V
INPUTS AC-GROUNDED
POWER-SUPPLY REJECTION RATIO
RIPPLE
THD+N = 1%
ON V
100
vs. LOAD RESISTANCE
LOAD RESISTANCE (Ω)
OUTPUT POWER
DD
vs. FREQUENCY
FREQUENCY (Hz)
THD+N = 10%
AND HPV
LEFT
100
1k
DD
= 100mV
HPV
f = 1kHz
10k
RIGHT
VSS
P-P
DD
= 3.3V
= 1µF.
L
= ∞.
100k
1000