max9706etxt Maxim Integrated Products, Inc., max9706etxt Datasheet - Page 4

• Manufacturer Part Number: max9706etxt
• Description: 3-channel, 2.3w, Filterless Class D Amplifiers With Active Crossover
• Manufacturer: Maxim Integrated Products, Inc.

3-Channel, 2.3W, Filterless Class D Amplifiers
with Active Crossover
ELECTRICAL CHARACTERISTICS (continued)
(V
GND, FS0 = FS1 = GND (800Hz), MGAIN = float (-6dB), SYNC_IN = V
OUT_-, unless otherwise noted, R
C1 = 1µF, C2 = 1µF. T
4
HEADPHONE AMPLIFIERS (MAX9706) (HPS = V
Output Power
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Power-Supply Rejection Ratio
Headphone Path Gain (Note 8)
Output Offset Voltage
Crosstalk
Slew Rate
Maximum Capacitive Load
HPS Pullup Impedance
Debounce Time
Output Impedance in Shutdown
Charge-Pump Switching
Frequency
Click-and-Pop Level
LINE-LEVEL MONO OUTPUT (MONO_OUT)
MONO_OUT Signal-Path Gain
Output Impedance
Maximum Output Level
Total Harmonic Distortion Plus
Noise
Maximum Capacitive Load
DD
_______________________________________________________________________________________
= PV
DD
PARAMETER
= HPV
DD
A
= 5V, GND = PGND = CPGND = 0V, SHDN = V
= T
MIN
to T
L
MAX
= ∞. Headphone load R
SYMBOL
THD+N
THD+N
V
, unless otherwise noted. Typical values at T
PSRR
P
SNR
K
OSHP
f
OUT
C
C
CP
CP
L
L
HPV
T
(Notes 2, 7)
V
bandwidth = 22Hz to
22kHz
V
HPV
f = 1kHz, 100mV
f = 20kHz, 100mV
GAIN2 = 0
GAIN2 = 1
HP_ to GND, T
HPL to HPR, HPR to HPL, f
P
No sustained oscillations
HPS = GND or SHDN = GND
Peak voltage,
A-weighted, 32 samples
per second (Note 6)
R
V
bandwidth = 22Hz to 22kHz
No sustained oscillations
A
OUT
OUT
OUT
OUT
DD
L
= +25°C, THD+N = 1%
= 10kΩ
)
DD
DD
= 1V
= 1V
= 32mW, R
= 1V
= 3.3V to 5V,
= 3V to 5.5V
LH
RMS
RMS
RMS
connected between HPR/HPL to GND, R
, f = 1kHz,
, f
A
CONDITIONS
P-P
IN
= +25°C
L
P-P
= 32Ω
= 100Hz, R
ripple (Note 3)
DD
ripple (Note 3)
DD
, GAIN1 = GAIN2 = GND (SPKR = +9dB, HP = 0dB), HPS =
(SSM), speaker load R
IN
= 1kHz,
R
R
R
R
Bandwidth =
22Hz to 22kHz
A-weighted
Into shutdown
Out of
shutdown
L
L
L
L
L
= 10kΩ,
= 32Ω
= 16Ω
= 32Ω
= 16Ω
A
= +25°C.) (Note 1)
MIN
35
70
L
connected between OUT_+ and
LH
f
OSC
±0.7
= ∞. C
TYP
0.02
0.04
0.01
100
300
600
200
-60
0.5
1.4
0.1
50
95
96
90
80
65
65
52
52
0
3
0
1
/ 2
BIAS
MAX
±3
= 1µF to GND,
UNITS
V
V/µs
dBV
mW
kHz
mV
ms
dB
dB
dB
dB
pF
kΩ
kΩ
dB
RMS
pF
%
%
Ω