max9758etjt Maxim Integrated Products, Inc., max9758etjt Datasheet - Page 3
max9758etjt
Manufacturer Part Number
max9758etjt
Description
2.3w Stereo Speaker Amplifiers And Directdrive Headphone Amplifiers With Automatic Level Control
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX9758ETJT.pdf
(31 pages)
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