MAX9758ETJ+ Maxim Integrated Products, MAX9758ETJ+ Datasheet - Page 3
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MAX9758ETJ+
Manufacturer Part Number
MAX9758ETJ+
Description
IC AMP AUDIO PWR 2.3W AB 32TQFN
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class ABr
Datasheet
1.MAX9756ETX.pdf
(31 pages)
Specifications of MAX9758ETJ+
Output Type
2-Channel (Stereo) with Stereo Headphones
Max Output Power X Channels @ Load
2.3W x 2 @ 3 Ohm; 130mW 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
32-TQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ELECTRICAL CHARACTERISTICS (continued)
(V
= 1µF, C
terminated between HP_ and GND, GAIN1 = GAIN2 = GAIN3 = VOL = 0 (A
otherwise noted. Typical values are at T
Noise
Capacitive-Load Drive
Crosstalk
Slew Rate
Gain (Maximum Volume Settings)
(Note 4)
Click-and-Pop Level
HEADPHONE AMPLIFIERS (HPS = V
Output Offset Voltage
Power-Supply Rejection Ratio
(Note 2)
Output Power (Note 3)
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Noise
Capacitive-Load Drive
Crosstalk
Slew Rate
Gain (Maximum Volume Settings)
(Note 6)
Click-and-Pop Level
Headphone Amplifiers with Automatic Level Control
DD
= PV
PVSS
DD
PARAMETER
2.3W Stereo Speaker Amplifiers and DirectDrive
= HPV
= 1µF, C1 = C2 = 1µF, PREF = unconnected, speaker loads terminated between OUT_+ and OUT_-, headphone load
DD
_______________________________________________________________________________________
= CPV
DD
= IN = +5.0V, GND = PGND = CPGND = 0, SHDN = V
A
SYMBOL
V
THD+N
VMAX(HP)
A
(SPKR)
DD
PSRR
A
OS(HP)
P
SNR
K
K
VMAX
SR
SR
V
C
OUT
V
C
= +25°C.) (Note 1)
CP
CP
)
n
n
L
L
BW = 22Hz to 22kHz, unweighted,
measured at output, input at AC GND
No sustained oscillations
L to R, R to L, f = 10kHz
Measured between OUT_+ and OUT_-
GAIN3 = 0
GAIN3 = 0
GAIN3 = 0
GAIN3 = 0
GAIN3 = 1
GAIN3 = 1
GAIN3 = 1
GAIN3 = 1
Peak voltage, 32
samples/second,
A weighted (Note 5)
T
HPV
f = 1kHz, V
f = 10kHz, V
THD+N = 1%, f = 1kHz
(T
R
R
R
BW = 22Hz to 22kHz, unweighted
R
BW = 22Hz to 22kHz, A weighted
BW = 22Hz to 22kHz
No sustained oscillations
L to R, R to L, f = 10kHz
GAIN2 = 0, HPS = 1
GAIN2 = 1, HPS = 1
Peak voltage, 32
samples/second,
A weighted (Note 4)
A
L
L
L
L
A
= +25°C
= 32Ω, V
= 16Ω, V
= 32Ω, BTL P
= 32Ω, BTL P
= +25°C)
DD
= 3V to 5.5V, T
RIPPLE
OUT
OUT
RIPPLE
CONDITIONS
GAIN2 = 1
GAIN2 = 0
GAIN2 = 0
GAIN2 = 1
GAIN2 = 1
GAIN2 = 0
GAIN2 = 0
GAIN2 = 1
= 1V
= 1V
OUT
OUT
= 200mV
= 200mV
RMS
RMS
= 65mW,
= 65W,
A
= +25°C
, f = 1kHz
, f = 1kHz
V(SP)
P-P
R
R
Into shutdown
Out of shutdown
P-P
L
L
GAIN1 = 0
GAIN1 = 1
GAIN1 = 0
GAIN1 = 1
GAIN1 = 0
GAIN1 = 1
GAIN1 = 0
GAIN1 = 1
Into
shutdown
Out of
shutdown
= 32Ω
= 16Ω
= 15dB, A
DD
V(HP)
, REGEN = V
= 0dB), T
MIN
70
40
DD
A
TYP
16.5
19.5
22.5
24.0
25.5
38.5
0.02
0.04
20.4
, DR = SET = GND, C
200
130
100
200
1.3
1.4
3.0
±2
71
80
15
18
21
65
90
72
70
68
97
60
62
50
= -40°C to +85°C, unless
0
MAX
±7
UNITS
µV
µV
V/µs
V/µs
dBV
dBV
mW
mV
dB
dB
dB
dB
dB
dB
pF
pF
%
RMS
RMS
BIAS
3