Absolute Maximum Ratings [Note 1]
SYMBOL
PARAMETER
VCC
Power supply voltage
VL
Input logic reference
Tj
Operating junction temperature range
Tstg
Storage temperature range
DDX-2100
VALUE
40V
5.5V
-40 to +150
-40 to +150
UNIT
V
V
°
C
°
C
Recommended Operating Conditions [Note 2]
SYMBOL
PARAMETER
VCC
Power supply voltage
VL
Input logic reference
T
A
Ambient Temperature
MIN
10.0
2.7
0
TYP
3.3
MAX
36.0
5.0
70
UNIT
V
V
°
C
Thermal Data
SYMBOL
θ
JC
T
jSD
Twarn
T
hSD
PARAMETER
Thermal resistance junction-case (thermal pad)
Thermal shut-down junction temperature
Thermal warning temperature
Thermal shut-down hysteresis
MIN
TYP
150
130
25
MAX
2.5
UNIT
°
C/W
°
C
°
C
°
C
Electrical Characteristics
Refer to circuit Figure 2. VCC = 36V, V
L
= 3.3V, fsw = 384kHz, T
A
= 25C, RL = 8
unless otherwise specified.
SYMBOL PARAMETER
Po
Output power [Note 3]
Po
Output power [Note 3]
UVL
Undervoltage Lockout Threshold
I
PD
Vcc supply current in Powerdown
I
cc
tri
Supply current from Vcc in Tristate
CONDITION
THD+N <1%
THD+N <10%
TRISTATE = 0
2-Chan. switching
at 384 KHz.
Speaker outputs.
Po=1 Wrms
Po=50 Wrms
A-Weighted
Po=2 x 50 W
Id=1A
MIN
TYP
50
75
7
1
25
MAX
9
3
UNIT
Wrms
Wrms
V
mA
mA
I
cc
Vcc supply current
75
mA
I
sc
Output Short-circuit Protection limit
3.5
5.0
.07
.50
90
88
200
6.5
270
A
%
%
dB
%
m
THD+N
Total Harmonic Distortion+Noise [Note 3]
SNR
η
RdsON
RdsON
matching
t
on
t
off
t
r
t
f
Signal to Noise Ratio [Note 3]
Efficiency
Power MOSFET output resistance
Id=1A
95
%
Turn-on delay time
Turn-off delay time
Rise time
Fall Time
Resistive load
Resistive load
Resistive load
Resistive load
V
L
= 2.7V
V
L
= 3.3V
V
L
= 5.0V
V
L
= 2.7V
V
L
= 3.3V
V
L
= 5.0V
V
L
= 2.7V
V
L
= 3.3V
V
L
= 5.0V
V
L
= 2.7V
V
L
= 3.3V
V
L
= 5.0V
Fault Active
No load
100
100
25
25
ns
ns
ns
ns
V
IL
Low logic input voltage on PWRDN,
TRISTATE pins
0.7
0.8
0.85
V
V
IH
High logic input voltage on PWRDN,
TRISTATE pins
1.5
1.7
1.85
V
V
IL
,
PWM
Inputs
Low logic input voltage on INLA, INLB,
INRA, INRB pins
1.05
1.35
2.2
70
V
V
IH
, PWM
Inputs
High logic input voltage on INLA, INLB,
INRA, INRB pins
1.65
1.95
2.8
150
V
I
fault
P
w
min
Output Sink Current, FAULT, TWARN pins
Minimum output pulse width
1
mA
ns
2
Document #11010001-01
November 2001
PRELIMINARY – subject to change without notice