MAX9790AETJ+ Maxim Integrated Products, MAX9790AETJ+ Datasheet - Page 3

• Manufacturer Part Number: MAX9790AETJ+
• Description: IC AMP AUDIO 2W STER AB 32TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9790AETJ+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2W x 2 @ 4 Ohm; 100mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• For Use With: MAX9789AEVKIT+ - EVALUATION KIT FOR MAX9789A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
I
A
LDO_OUT
Voltage Gain
Input Impedance
Output Offset Voltage
Click-and-Pop Level
Signal-to-Noise Ratio
Noise
Capacitive-Load Drive
Crosstalk
Slew Rate
HEADPHONE AMPLIFIER
Output Power
Total Harmonic Distortion Plus
Noise
VHP
DD
= PV
= 3.5dB), T
Windows Vista-Compliant, Stereo Class AB Speaker
(MAX9789A only) = 0, C1 = C2 = C
DD
PARAMETER
Amplifiers and DirectDrive Headphone Amplifiers
= CPV
A
= T
DD
_______________________________________________________________________________________
MIN
= HPV
to T
MAX
DD
= LDO_EN (MAX9789A only) = +5V, GND = PGND = CPGND = LDO_SET (MAX9789A only) = 0V,
, unless otherwise noted. Typical values are at T
SYMBOL
THD+N
P
SNR
V
K
R
A
SR
V
C
OUT
OS
CP
IN
V
n
L
BIAS
Measured at speaker amplifier inputs
Measured between OUT_+ and OUT_-,
T
R
A-weighted, 32 samples
per second (Notes 2, 3)
R
BW = 22Hz to 22kHz
No sustained oscillations
L to R, R to L, R
V
BW = 20Hz to 20kHz
THD+N = 1%, f =
1kHz, T
R
V
BW = 20Hz to 20kHz
R
R
R
V
BW = 20Hz to 20kHz
= 1µF. R
A
OUT
OUT
OUT
L
L
L
L
L
L
= +25°C
= 8Ω, peak voltage,
= 8Ω, P
= 32Ω, FS = 0.300V
= 32Ω, P
= 16Ω, P
= 10kΩ, FS = 0.707V
= 70.7nV
= 210mV
= 500mV
GAIN1
GAIN1
A
= +25°C
L
0
0
1
1
0
0
1
1
OUT
= ∞, unless otherwise specified, GAIN1 = 0, GAIN2 = 5V (A
OUT
OUT
RMS
RMS
RMS
CONDITIONS
= 1W
L
= 40mW, f = 1kHz
= 60mW, f = 1kHz
= 8Ω, FS = 0.707V
, 20kHz AES17,
, 20kHz AES17,
, 20kHz AES17,
RMS
R
R
RMS
L
L
Into shutdown
Out of shutdown
A-weighted
f = 22Hz to 22kHz
= 16Ω
= 32Ω
,
,
GAIN2
GAIN2
A
0
1
0
1
0
1
0
1
= +25°C.) (Note 1)
RMS
,
MIN
TYP
15.6
21.6
0.02
0.03
102
200
100
-50
-50
-70
-77
-94
1.4
10
±1
80
65
45
25
99
30
55
6
MAX
±15
VSP
UNITS
µV
= 10dB,
dB FS
dB FS
V/µs
dBV
mW
mV
dB
kΩ
dB
dB
pF
%
RMS
3