MAX9750CETI+ Maxim Integrated Products, MAX9750CETI+ Datasheet - Page 4

• Manufacturer Part Number: MAX9750CETI+
• Description: IC AMP AUDIO PWR 2.6W AB 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9750CETI+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.2W 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

2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(V
terminated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, V
T
4
HEADPHONE AMPLIFIER (HPS = V
Output Offset Voltage
Power-Supply Rejection Ratio
(Note 3)
Output Power
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Noise
Capacitive-Load Drive
Crosstalk
Off-Isolation
Slew Rate
ESD
Gain
CHARGE PUMP
Charge-Pump Frequency
VOLUME CONTROL (MAX9750_)
VOL Input Impedance
VOL Input Hysteresis
Full Mute Input Voltage
Channel Matching
BEEP INPUT (MAX9750_)
Beep Signal Minimum Amplitude
Beep Signal Minimum Frequency
A
DD
= T
_______________________________________________________________________________________
= PV
MIN
to T
PARAMETER
DD
MAX
= CPV
, unless otherwise noted. Typical values are at T
DD
= HPV
DD
= 5V, V
SYMBOL
DD
THD+N
V
PSRR
P
f
R
f
SNR
V
ESD
BEEP
)
OSC
BEEP
C
SR
OUT
V
A
VOL
OS
GND
n
V
L
= V
T
HPV
f = 1kHz, V
f = 10kHz, V
THD+N = 1%,
f = 1kHz, T
R
R
R
22kHz
BW = 22Hz to 22kHz
No sustained oscillations
L to R, R to L, f = 10kHz
Any unselected input to any active input,
f = 10kHz (MAX9751), input referred
IEC air discharge
GAIN2 = GAIN = 0, GAIN1 = X
GAIN2 = GAIN = 1, GAIN1 = X
(Note 5)
A
R
PGND
A
L
L
L
V
B
= +25°C
= 32Ω, P
= 16Ω, P
= 32Ω, P
= -25dB to +13.5dB
= 33kΩ (Note 6)
DD
= V
= 3V to 5.5V, T
CPGND
A
RIPPLE
OUT
OUT
OUT
RIPPLE
= +25°C
A
CONDITIONS
= +25°C.) (Note 1)
= 20mW, f = 1kHz
= 75mW, f = 1kHz
= 50mW, BW = 22Hz to
= 0V, SHDN = V
= 200mV
= 200mV
A
= +25°C
P-P
P-P
R
R
L
L
= 32Ω
= 16Ω
DD
, C
BIAS
= 1µF, C1 = C2 = 1µF, speaker load
GAIN1
MIN
500
300
0.8
60
40
= V
0.858 x
HPV
GAIN2
0.007
TYP
0.03
±0.2
110
101
200
550
100
0.4
±2
75
73
63
50
11
88
74
±8
10
3
0
DD
= V
VOL
MAX
600
±7
= V
GAIN
UNITS
µV
V
V/µs
mW
kHz
MΩ
mV
mV
dB
dB
dB
dB
dB
pF
Hz
kV
%
P-P
RMS
V
= 0V,