MAX9722AETE+G Maxim Integrated Products, MAX9722AETE+G Datasheet - Page 3
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MAX9722AETE+G
Manufacturer Part Number
MAX9722AETE+G
Description
IC AMP AUDIO .13W STER AB 16TQFN
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class ABr
Datasheet
1.MAX9722AETET.pdf
(21 pages)
Specifications of MAX9722AETE+G
Output Type
Headphones, 2-Channel (Stereo)
Max Output Power X Channels @ Load
130mW x 2 @ 32 Ohm
Voltage - Supply
2.4 V ~ 5.5 V
Features
Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
Mounting Type
Surface Mount
Package / Case
16-TQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MAX9722AETE+G47
MAX9722AETE+G47
MAX9722AETE+G47
ELECTRICAL CHARACTERISTICS (continued)
(PV
MAX9722A gain = -1V/V (R
Typical values are at T
(MAX9722A, PV
THD+N measurement bandwidth = 22Hz to 22kHz, T
Note 1: All specifications are 100% tested at T
Note 2: Gain for the MAX9722A is adjustable.
Note 3: The amplifier inputs are AC-coupled to ground through C
Note 4: Measurement bandwidth is 22Hz to 22kHz.
Total Harmonic Distortion Plus
Noise (Note 4)
Signal-to-Noise Ratio
Noise
Slew Rate
Maximum Capacitive Load
Charge-Pump Oscillator
Frequency
Crosstalk
ESD Protection
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
0.0001
0.001
DD
0.01
0.1
10
1
= SV
10
Stereo Headphone Amplifiers with Shutdown
TOTAL HARMONIC DISTORTION PLUS
PARAMETER
P
DD
OUT
NOISE vs. FREQUENCY
P
100
= 15mW
= +5V, PGND = SGND = 0V, SHDN = SV
OUT
DD
5V, Differential Input, DirectDrive, 130mW
= 30mW
FREQUENCY (Hz)
= SV
_______________________________________________________________________________________
A
P
OUT
1k
= +25°C, unless otherwise noted.) (Note 1)
DD
= 5mW
IN
= +5V, PGND = SGND = 0V, SHDN = SV
= R
10k
F
V
A
R
DD
V
L
= 10kΩ), for MAX9722B gain = -2V/V (internally set), T
= 16Ω
= -1V/V
SYMBOL
= 3V
THD+N
f
SNR
OSC
SR
C
V
100k
n
L
R
R
R
22Hz to 22kHz bandwidth, input AC grounded
No sustained oscillation
R
Human Body Model (OUTR and OUTL)
A
0.0001
0.001
L
L
L
L
0.01
= +25°C; temperature limits are guaranteed by design.
0.1
10
= 16Ω, P
= 32Ω, P
= 32Ω, P
= 32Ω, V
1
10
A
TOTAL HARMONIC DISTORTION PLUS
= +25°C, unless otherwise noted.)
P
OUT
OUT
OUT
OUT
IN
= 20mW
NOISE vs. FREQUENCY
100
DD
= 200mV
P
OUT
, C1 = C2 = 1µF, R
= 55mW, f = 1kHz
= 125mW, f = 1kHz
= 20mW, f = 22Hz to 22kHz
FREQUENCY (Hz)
= 40mW
CONDITIONS
IN
P
_.
OUT
1k
DD
P-P
Typical Operating Characteristics
= 5mW
, C1 = C2 = 1µF, R
, f = 10kHz, A
10k
V
A
R
DD
V
L
= -1V/V
= 32Ω
= 3V
L
100k
= ∞, resistive load referenced to ground, for
V
A
= 1
= -40°C to +85°C, unless otherwise noted.
0.0001
L
0.001
0.01
= ∞, gain = -1V/V, single-ended input,
0.1
10
1
10
TOTAL HARMONIC DISTORTION PLUS
P
MIN
505
OUT
= 60mW
NOISE vs. FREQUENCY
100
P
0.009
FREQUENCY (Hz)
TYP
0.03
OUT
100
200
600
145
0.5
78
±8
6
5
= 40mW
P
OUT
1k
= 5mW
MAX
800
10k
V
A
R
DD
V
L
= 16Ω
= -1V/V
UNITS
µV
= 5V
V/µs
kHz
dB
dB
pF
°C
°C
kV
%
RMS
100k
3