MAX4295 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX4295 Datasheet PDF : 18 Pages
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Mono/Stereo 2W Switch-Mode (Class-D)
Audio Power Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(VCC = PVCC = +5V, SHDN = VCC, FS1 = GND, FS2 = VCC (fOSC = 250kHz), input amplifier gain = -1V/V, TA = TMIN to TMAX, unless
otherwise noted. Typical values are TA = +25°C.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Input Voltage Range
Maximum Output Power
VCC = +3V, fIN = 1kHz
VCC = +5V, fIN = 1kHz
RL = 8Ω
RL = 4Ω
RL = 8Ω
RL = 4Ω
THD Plus Noise
RL = 4Ω, fIN = 1kHz, PO = 1W, fOSC = 125kHz
Efficiency
MAX4295, RL = 4Ω, fIN = 1kHz, PO = 2W
Channel Isolation
MAX4297, fIN = 1kHz, PO = 2W
LOGIC INPUTS (SHDN, FS1, FS2)
0 to 0.6
x VCC
V
0.4
0.7
W
1.2
2
0.4
%
87
%
45
dB
Logic Input Current
VLOGIC = 0 to VCC
1
100
nA
Logic Input High Voltage
0.7 ×
VCC
V
Logic Input Low Voltage
INPUT AMPLIFIER
Input Offset Voltage
VOS Temp Coefficient
Input Bias Current
Input Noise Voltage Density
(Note 3)
f = 10kHz
0.3 ×
VCC
V
±0.5
±5
±0.05
32
±4
mV
µV/°C
±25
nA
nV/√Hz
Input Capacitance
Output Resistance
2.5
pF
0.01
Ω
AOUT Disabled Mode Leakage
Current
SHDN = GND, VAOUT = 0 to VCC
±0.1
±1
µA
Short-Circuit Current
Large-Signal Voltage Gain
AOUT Voltage Swing
Gain Bandwidth Product
Power-Supply Rejection
Maximum Capacitive Load
AOUT to GND
AOUT to VCC
VOUT = 0.2V to 4.6V, RL(OPAMP) = 10kΩ
VDIFF ≥ 10mV,
RL(OPAMP) = 10kΩ
VCC - VOH
VOL
VCC = +2.7V to +5.5V
No sustained oscillations
8
mA
65
78
115
dB
40
250
mV
40
100
1.25
MHz
66
90
dB
200
pF
Note 1: All devices are 100% production tested at TA = 25°C. All temperature limits are guaranteed by design.
Note 2: Supply Voltage Range guaranteed by PSRR of input amplifier, frequency, duty cycle, and H-bridge on-resistance.
Note 3: Guaranteed by design, not production tested.
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