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D2-24044 Datasheet, PDF (5/20 Pages) Intersil Corporation – Digital Audio Amplifier Power Stage
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D2-24044
Electrical Specifications TA = +25°C, PWMVDD = 3.3V ±10%. All grounds at 0.0V.
All voltages referenced to ground. (Continued)
PARAMETER
TEST
CONDITIONS
SYMBOL
Gate Drive Supply Undervoltage Threshold
Hysteresis
Gate Drive Supply Undervoltage Threshold Glitch
Rejection
PROTECTION DETECT
High Voltage Undervoltage Protection
Overcurrent Trip Threshold
Overcurrent De-glitch
Short-Circuit Current Limit (Peak)
Overcurrent Response Time
Thermal Shut-Down OTmax
Thermal Warning Temperature OTmin
Thermal Shut-Down Hysteresis
Thermal Warning Hysteresis
MIN
-
-
-
-
-
-
-
-
-
-
-
TYP MAX UNIT
200 - mV
50 - ns
79
V
4-
A
2.5 - ns
8-
A
20 - ns
140 - °C
125 - °C
30 - °C
20 - °C
Performance Specifications TA = +25°C, PWMVDD = 3.3V ±10%. All grounds at 0.0V. All voltages referenced to
ground.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
rDS(ON) (MOSFETs @ +25°C)
rDS(ON) Mismatch
PWM Switching Rate
rDS(ON)
-
-
-
200
1
384
-
mΩ
-
%
-
kHz
Minimum PWM Pulse Width
-
3.5
-
ns
PWM Off Sensor Time
-
10
-
μs
PWM Input to Output Delay
-
50
ns
PWM Input to Output Delay Matching
-
3
-
ns
nPDN Input Off Delay
nPDN Input On Delay
POWER OUTPUT
TPDNOFF
-
1.4
-
TPDNON
-
1.4
-
<1% THD, Bridged, Load = 8Ω, HVDD[A:D] = 24V
POUT
-
25
-
W
<10% THD, Bridged, Load = 8Ω, HVDD[A:D] = 24V
POUT
-
30
-
W
<1% THD, Half-Bridge, Load = 8Ω, HVDD[A:D] = 24V
POUT
-
7
-
W
<10% THD, Half-Bridge, Load = 8Ω, HVDD[A:D] = 24V
POUT
-
9
-
W
THD+N
Load = 8Ω, Power = 25W, Bridged, 1kHz
THD+N
-
0.3
-
%
Load = 8Ω, Power = 1W, Bridged, 1kHz
-
0.05
-
%
SNR
SNR
-
110
-
dB
Efficiency (Load = 8Ω)
-
90
-
%
5
FN7678.0
September 3, 2010
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