DDX-2102
Specifications are subject to change without notice.
129 Morgan Drive, Norwood, MA 02062
voice: (781) 551-9450
fax: (781) 440-9528
email: apogee@apogeeddx.com
CONTROLLED DOCUMENT: P_903-000055_Rev08 DDX-2102 Data Sheet.doc
DRN: PRELIMINARY Page 3 of 17
1.4 Electrical Characteristics (continued) [Refer to circuit in Figure 19] Unless otherwise specified, performance
is measured using the DDX-8001/DDX-8229 processor family, VCC =32V, VL=3.3V, fsw=384kHz, TC=25°C, RL=8Ω.
SYMBOL
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Po = 1 Wrms
0.09
THD+N
Total Harmonic Distortion + Noise,
[Note 5]
Po = 50 Wrms
0.13
%
Signal to Noise Ratio,
DDX
® Mode
100
SNR
Signal to Noise Ratio,
Binary Half-Bridge Mode, [Note 5]
A-Weighted relative to full-
scale
92
dB
Peak Efficiency, DDX
® Mode
Po=2 x 50 W, 10% THD,
8
Ω
90
η
Peak Efficiency,
Binary Half-Bridge Mode
Po=4 x 25 W, 10% THD,
4
Ω
87
%
ISC
Speaker Output Short-Circuit
Protection Limit per Bridge [Note 6]
3.5
6
8
A
Rds-on
Power MOSFET output resistance
Id=1A
200
270
m
Ω
gN
Power Nchannel Rds-on matching
Id = 1A
95
%
gP
Power Pchannel Rds-on matching
Id = 1A
95
%
Idss
Power Pchannel/Nchannel leakage
VCC = 35 V
50
uA
UVL
Under-voltage Lockout Threshold
7
9
V
IPD
VCC supply current, Power-down
PWRDN = 0
1
3
mA
ICC-tri
VCC supply current, Tri-state
TRISTATE = 0
22
mA
DDX
® mode VCC supply current
2-Channel switching at
384kHz.
86
ICC
Binary mode VCC supply current
4-Channel switching at
384kHz.
103
mA
ton
Turn-on delay time
Resistive load
100
ns
toff
Turn-off delay time
Resistive load
100
ns
tr
Rise time
Resistive load
25
ns
tf
Fall Time
Resistive load
25
ns
Low logic input voltage:
PWRDN, TRISTATE pins
VL = 2.7V
VL = 3.3V
VL = 5.0V
0.7
0.8
0.85
VIL
Low logic input voltage:
INLA, INLB, INRA, INRB pins
VL = 2.7V
VL = 3.3V
VL = 5.0V
1.05
1.35
2.2
V
High logic input voltage:
PWRDN, TRISTATE pins
VL = 2.7V
VL = 3.3V
VL = 5.0V
1.5
1.7
1.85
VIH
High logic input voltage:
INLA, INLB, INRA, INRB pins
VL = 2.7V
VL = 3.3V
VL = 5.0V
1.65
1.95
2.8
V
Ifault
Output Sink Current, FAULT,
TWARN pins
Fault Active
1
mA
PWmin
Minimum output pulse width
No load
70
150
ns
Note 5 – Performance Characteristics obtained using a DDX-8001/DDX-8229 controller.
Note 6 – If used in single BTL (Mono Mode) configuration, the device may not be short-circuit protected.
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