MAX9789CETJ+T Maxim Integrated Products, MAX9789CETJ+T Datasheet - Page 3

• Manufacturer Part Number: MAX9789CETJ+T
• Description: IC AMP AUDIO 2W STER AB 32TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9789CETJ+T

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
(MAX9789 only) = 0V, I
V
Windows Vista-Compliant, Stereo Class AB Speaker
Power-Supply Rejection Ratio
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
GAIN2
DD
= PV
Amplifiers and DirectDrive Headphone Amplifiers
= 5V (A
DD
PARAMETER
= CPV
VSP
= 10dB, A
DD
_______________________________________________________________________________________
= HPV
LDO_OUT
VHP
DD
= 3.5dB), T
(MAX9789 only) = 0, C1 = C2 = C
= HP_EN = V
SYMBOL
THD+N
PSRR
P
SNR
V
K
R
A
C
SR
V
OUT
OS
CP
IN
V
n
L
A
= T
LDO_EN
V
f = 1kHz, 200mV
f = 10kHz, 200mV
Measured at speaker amplifier inputs
Measured between
OUT_+ and OUT_-,
T
R
A-weighted, 32 samples
per second (Notes 3, 4)
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
MIN
A
DD
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
= 4.5V to 5.5V, T
to T
= 70.7nV
= 210mV
= 500mV
(MAX9789 only) = +5V, V
GAIN1
GAIN1
A
MAX
= +25°C
0
0
1
1
0
0
1
1
OUT
OUT
OUT
, unless otherwise noted. Typical values are at T
RMS
RMS
RMS
CONDITIONS
= 1W
L
P-P
= 40mW, f = 1kHz
= 60mW, f = 1kHz
= 8Ω, FS = 0.707V
P-P
, 20kHz AES17,
, 20kHz AES17,
, 20kHz AES17,
(Note 4)
BIAS
A
(Note 4)
RMS
MAX9789C
R
R
= +25°C
RMS
L
L
= 1µF. R
Into shutdown
Out of shutdown
A-weighted
f = 22Hz to 22kHz
= 16Ω
= 32Ω
,
,
GAIN2
GAIN2
GND
0
1
0
1
0
1
0
1
L
RMS
= ∞, unless otherwise specified, V
= V
,
PGND
= V
MIN
72
CPGND
TYP
15.6
21.6
0.02
0.03
102
200
100
-50
-50
-70
-77
-94
1.4
90
70
50
10
±1
±1
80
65
45
25
99
30
55
= SPKR_EN = V
6
A
= +25°C.) (Note 2)
MAX
±15
±25
GAIN1
LDO_SET
UNITS
µV
dB FS
dB FS
V/µs
dBV
mW
mV
dB
dB
kΩ
dB
dB
pF
%
RMS
= 0,
3