MAX98500 Datasheet, PDF (4/15 Pages) Maxim Integrated Products – Boosted 2.2W Class D Amplifier with Automatic Level Control

Boosted 2.2W Class D Amplifier
with Automatic Level Control
ELECTRICAL CHARACTERISTICS (continued)
(VBAT = 3.6V, RL = J between SPKP and SPKN, AV = +6dB, CIN = 1FF, 20Hz to 22kHz AC measurement bandwidth, TA = TMIN to
T_MAX, unless otherwise noted. Typical values are at T_A = +25NC.) (Note 2)
PARAMETER
SYMBOL
Knee Resistor
R_KNEE
DIGITAL INPUTS (SDBST, SDSPK)
Input Voltage High
ViH
Input Voltage Low
VIL
Input Capacitance
CIN
Input Leakage Current
IIN
TA = +25NC,
A_V = 15.5dB
TA = +25NC
CONDITIONS
VKNEE = 3.25V
V_KNEE = 3.35V
VKNEE = 3.45V
VKNEE = 3.55V
VKNEE = 3.65V
VKNEE = 3.75V
VKNEE = 3.85V
MIN TYP MAX UNITS
43.2
37.4
32.4
27.4
kI
23.2
18.7
15.0
1.4
V
0.4
V
10
pF
-1.0
+1.0
FA
Note 2: 100% production tested at TA = +25NC. Specifications over temperature limits are guaranteed by design.
Note 3: Amplifier inputs are AC-coupled to AGND.
Note 4: Mode transitions are controlled by SDSPK.
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