MAX9750AETI+ Maxim Integrated Products, MAX9750AETI+ Datasheet - Page 3

• Manufacturer Part Number: MAX9750AETI+
• Description: IC AMP AUDIO PWR 2.6W AB 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9750AETI+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.6W x 2 @ 3 Ohm; 110mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
terminated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, V
T
Output Power (Note 4)
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Noise
Capacitive-Load Drive
Crosstalk
Off-Isolation
Slew Rate
Gain (Maximum Volume Setting)
Gain (MAX9751/MAX9755)
A
DD
= T
= PV
MIN
to T
DD
PARAMETER
MAX
= CPV
, unless otherwise noted. Typical values are at T
2.6W Stereo Audio Power Amplifiers and
DD
_______________________________________________________________________________________
= HPV
DD
= 5V, V
A
VMAX(SPKR)
SYMBOL
THD+N
DirectDrive Headphone Amplifiers
P
SNR
SR
OUT
V
C
A
GND
n
V
L
= V
THD+N = 1%,
f = 1kHz,
T
R
R
R
22kHz
BW = 22Hz to 22kHz, A-weighted
No sustained oscillations
L to R, R to L, f = 10kHz
Any unselected input to any active input,
f = 10kHz (MAX9751), input referred
MAX9750A
MAX9750B
MAX9750C
GAIN = 1
GAIN = 0
PGND
A
L
L
L
= +25°C
= 8Ω, P
= 4Ω, P
= 8Ω, P
= V
CPGND
OUT
OUT
OUT
A
CONDITIONS
= 500mW, f = 1kHz
= 1W, f = 1kHz
= 500mW, BW = 22Hz to
= +25°C.) (Note 1)
GAIN1 = 0, GAIN2 = 0
GAIN1 = 1, GAIN2 = 0
GAIN1 = 0, GAIN2 = 1
GAIN1 = 1, GAIN2 = 1
GAIN1 = 0, GAIN2 = 0
GAIN1 = 1, GAIN2 = 0
GAIN1 = 0, GAIN2 = 1
GAIN1 = 1, GAIN2 = 1
GAIN1 = 0, GAIN2 = 0
GAIN1 = 1, GAIN2 = 0
GAIN1 = 0, GAIN2 = 1
GAIN1 = 1, GAIN2 = 1
R
R
R
= 0V, SHDN = V
L
L
L
= 8Ω
= 4Ω
= 3Ω
MAX9750A/
MAX9750B/
MAX9751/
MAX9755
MAX9750C
MAX9750A/
MAX9750B/
MAX9751/
MAX9755
MAX9750C
MAX9750A/
MAX9750B/
MAX9751/
MAX9755
MAX9750C
DD
, C
BIAS
= 1µF, C1 = C2 = 1µF, speaker load
GAIN1
0.65
MIN
0.9
1.2
= V
GAIN2
TYP
0.01
0.02
10.5
13.5
16.5
19.5
10.5
10.5
200
1.4
0.8
2.3
1.5
2.6
2.2
1.4
7.5
96
22
75
75
12
15
18
9
6
9
9
= V
VOL
MAX
= V
GAIN
UNITS
µV
V/µs
dB
dB
dB
dB
pF
W
%
RMS
= 0V,
3