Apogee DDX-2050 매뉴얼 - 페이지 2

{카테고리_이름} Apogee DDX-2050에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Apogee DDX-2050 13 페이지. All-digital high efficiency power amplifier

페이지 인쇄
Absolute Maximum Ratings [Note 1]
SYMBOL
PARAMETER
VCC
Power supply voltage
VL
Input logic reference
Tj
Operating junction temperature range
Tstg
Storage temperature range
Note 1: Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded.
Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Recommended Operating Conditions [Note 2]
SYMBOL
PARAMETER
VCC
Power supply voltage
VL
Input logic reference
T
Ambient Temperature
A
Note 2: Performance not guaranteed beyond recommended operating conditions.
Note 3: Overvoltage protection may preclude operation above 30V.
Thermal Data
SYMBOL
PARAMETER
θ
Thermal resistance junction-case (heat spreader)
JC
T
Thermal shut-down junction temperature
jSD
Twarn
Thermal warning temperature
T
Thermal shut-down hysteresis
hSD
Electrical Characteristics
Refer to circuit in Figure 4. VCC = 28V, VL = 3.3V, fsw = 384kHz, T
SYMBOL
PARAMETER
Po
Output power per channel [Notes 4,5]
Po
Output power per channel [Notes 4,5]
UVL
Undervoltage Lockout Threshold
OVP
Overvoltage Protection Threshold
I
Vcc supply current in Powerdown
PD
I
tri
Supply current from Vcc in Tristate
cc
I
Vcc supply current
cc
I
Output Short-circuit Protection limit
sc
THD+N
Total Harmonic Distortion+Noise [Note 4]
THD+N
Total Harmonic Distortion+Noise [Note 5]
SNR
Signal to Noise Ratio [Note 4]
SNR
Signal to Noise Ratio [Note 5]
η
Efficiency
RdsON
Power MOSFET output resistance
RdsON
matching
t
Turn-on delay time
on
t
Turn-off delay time
off
t
Rise time
r
t
Fall Time
f
Low logic input voltage on PWRDN,
V
IL
TRISTATE pins
PRELIMINARY
129 Morgan Drive, Norwood, MA 02062
CONTROLLED DOCUMENT: P_903-000030_Rev00 Data Sheet, DDX-2050.doc DRN: PRELIMINARY
[Note 3]
Specifications are subject to change without notice.
voice: (781) 551-9450
= 25C, RL = 8Ω unless otherwise specified.
A
CONDITION
THD+N <1%
VCC = 30V,
@ 10% THD+N
TRISTATE = 0
2-Channel
switching at
384kHz.
Speaker outputs.
Po=1 Wrms
Po=30 Wrms
Po=1 Wrms
Po=30 Wrms
A-Weighted
A-Weighted
Po=2 x 30 W
Id=1A
Id=1A
Resistive load
Resistive load
Resistive load
Resistive load
V
= 2.7V
L
V
= 3.3V
L
V
= 5.0V
L
fax: (781) 440-9528
DDX-2050
VALUE
40V
5.5V
-40 to +150
-40 to +150
MIN
TYP
MAX
10.0
36.0
2.7
3.3
5.0
0
70
MIN
TYP
MAX
2.5
150
130
25
MIN
TYP
MAX
35
50
7
9
30
35
40
1
3
22
72
3.0
5.0
6.5
0.08
0.18
0.33
0.50
0.05
0.15
93
100
88
200
270
95
100
100
25
25
0.7
0.8
0.85
PRELIMINARY
UNIT
V
V
°C
°C
UNIT
V
V
°C
UNIT
°C/W
°C
°C
°C
UNIT
Wrms
Wrms
V
V
mA
mA
mA
A
%
%
%
%
dB
dB
%
mΩ
%
ns
ns
ns
ns
V
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