MAX9879 Maxim Integrated Products, MAX9879 Datasheet - Page 3

• Manufacturer Part Number: MAX9879
• Description: Stereo Class D Audio Subsystem
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS (continued)
(V
0dB, BYPASS = 0, SHDN = 1. Speaker loads connected between OUT_+ and OUT_-. Headphone loads connected from HPL or HPR to
GND. R
(Notes 3, 4)
Common-Mode Rejection Ratio
Input DC Voltage
Bias Voltage
SPEAKER AMPLIFIER
Output Offset Voltage
Click-and-Pop Level
Power-Supply Rejection Ratio
(Note 5)
Output Power
Total Harmonic Distortion + Noise
Signal-to-Noise Ratio
Output Frequency
DD
= V
SPK
PVDDL
PARAMETER
= ∞, R
= V
HP
PVDDR
_______________________________________________________________________________________
= ∞. C1 = C2 = C
= 3.7V, V
with DirectDrive Headphone Amplifier
CCIO
SYMBOL
THD+N
CMRR
V
PSRR
P
SNR
V
K
= 1.8V, V
BIAS
BIAS
OUT
OS
CP
Stereo Class D Audio Subsystem
= 1µF. T
f
input mode)
IN__ inputs
T
T
E N B = 0 or E N B = 1 and E N A = 0, ΔIN _ = 0)
Peak voltage,
T
A-weighted, 32 samples
per second, volume at
mute (Note 5)
T
THD+N ≤ 1%, R
8Ω
f = 1kHz, P
R
A-weighted, ENA = 1
and ENB = 0 or ENB = 1
and ENA = 0
A-weighted ENA =
ENB = 1
GND
IN
A
A
A
A
SPK
= 1kHz (differential
= +25°C (volume at mute)
= + 25° C ( vol um e at 0d B, E N A = 1 and
= +25°C
= +25°C
A
= V
= 8Ω
= T
PGNDL
MIN
OUT
to T
CONDITIONS
= 350mW, T
= V
SPK
MAX
PGNDR
=
, unless otherwise noted. Typical values are at T
= 0. Single-ended inputs, preamp = 0, volume controls =
Into shutdown
Out of shutdown
PVDD_ = V
= 2.7V to 5.5V
f = 217Hz,
100mV
f = 1kHz,
100mV
f = 20kHz,
100mV
V
V
V
ΔIN_ = 0
(single-ended)
ΔIN_ = 1
(differential)
ΔIN_ = 0
(single-ended)
ΔIN_ = 1
(differential)
Preamp = 0
Preamp = 5.5dB
Preamp = 20dB
A
DD
DD
DD
= +25°C,
= 3.7V
= 3.3V
= 3.0V
P-P
P-P
P-P
ripple
ripple
ripple
DD
MIN
1.22
1.13
50
±0.5
±4.5
TYP
0.04
±40
715
565
470
700
1.3
1.2
-70
-70
58
55
43
76
72
68
55
92
94
88
92
1.272
MAX
1.38
0.2
±4
A
= +25°C.)
UNITS
dBV
mW
kHz
mV
mV
dB
dB
dB
%
V
V
3