max97002 Maxim Integrated Products, Inc., max97002 Datasheet - Page 7

• Manufacturer Part Number: max97002
• Description: Audio Subsystem With Mono Class D Speaker And Class H Headphone Amplifiers
• Manufacturer: Maxim Integrated Products, Inc.

ELECTRICAL CHARACTERISTICS (continued)
(V
HPRVOL = SPKVOL = 0dB, speaker loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from
HPL or HPR to GND. SDA and SCL pullup voltage = 1.8V. ZSPK = J, RHP = J. C
T
A
Oscillator Frequency
Spread-Spectrum Bandwidth
Gain
Current Limit
Efficiency
Output Noise
CHARGE PUMP
Charge-Pump Frequency
Positive Output Voltage
Negative Output Voltage
Headphone Output Voltage
Threshold
Mode Transition Timeouts
HEADPHONE AMPLIFIERS
Output Offset Voltage
Click-and-Pop Level
VDD
= T
MIN
= 1.8V, V
PARAMETER
to T
Speaker and Class H Headphone Amplifiers
MAX
PVDD
, unless otherwise noted. Typical values are at T
= 3.7V, V
Audio Subsystem with Mono Class D
GND
SYMBOL
V
V
HPVDD
f
HPVSS
V
V
= 0V. Input signal applied at INA configured single-ended, preamp gain = 0dB, HPLVOL =
V
K
OSC
TH1
TH2
E
OS
CP
P
A-weighted, (SPKMIX = 0x01),
IN_DIFF = 1, SPKVOL = -30dB
V
V
V
V
V
V
V
Output voltage at which the charge pump
switches between fast and slow clock
Output voltage at which the charge pump
switches modes, VOUT rising or falling
Time it takes for the charge pump to transi-
tion from Invert to split mode
Time it takes for the charge pump to transi-
tion from split to invert mode
T
T
Peak voltage, T
+25NC, A-weighted, 32
samples per second,
volume at mute (Note 2)
A
A
OUT
HPL
HPL
HPL
HPL
HPL
HPL
HPL
= +25NC, volume at mute
= +25NC, HP_MIX = 0x1, IN_DIFF = 0
, V
, V
, V
, V
= V
= V
= V
= 600mW, f = 1kHz
HPR
HPR
HPR
HPR
HPR
HPR
HPR
> V
< V
> V
< V
= 0V, T
= 0.2V
= 0.5V
CONDITIONS
A
TH
TH
TH
TH
=
A
= +25NC.) (Note 1)
A
= +25NC
Into shutdown
Out of shut-
down
C1P-C1N
= C
x 0.05
x 0.21
QV
QV
MIN
11.5
80
HPVDD
DD
DD
-V
= C
V
x 0.08
x 0.25
QV
QV
Q0.15
-V
TYP
Q0.5
V
250
Q20
665
500
1.5
DD
-74
-74
DD
12
87
37
83
32
20
DD
DD
DD
DD
HPVSS
/2
/2
x 0.13
QV
QV
MAX
x 0.3
12.5
Q0.6
= C
85
DD
DD
BIAS
UNITS
FV
dBV
= 1FF.
kHz
kHz
kHz
ms
mV
dB
Fs
%
A
RMS
V
V
V
7