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參數(shù)資料
| 型號： | MAX9701 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 1.3W, Filterless, Stereo Class D Audio Power Amplifier |
| 中文描述： | 1.3W、無需濾波、立體聲D類音頻功率放大器 |
| 文件頁數(shù)： | 3/21頁 |
| 文件大小： | 1322K |
| 代理商： | MAX9701 |
M
1.3W, Filterless, Stereo Class D Audio
Power Amplifier
_______________________________________________________________________________________
3
Note 1:
All devices are 100% production tested at +25°C. All temperature limits are guaranteed by design.
Note 2:
Testing performed with a resistive load in series with an inductor to simulate an actual speaker load. For R
L
= 4
, L = 33μH.
For R
L
= 8
, L = 68μH.
Note 3:
When driving speakers below 4
with large signals, exercise care to avoid violating the absolute maximum rating for continuous
output current.
Note 4:
Testing performed with 8
resistive load in series with 68μH inductive load connected across the BTL output. Mode transi-
tions are controlled by
SHDN
. K
CP
level is calculated as: 20 x log[(peak voltage under normal operation at rated power
level) / (peak voltage during mode transition, no input signal)]. Units are expressed in dB.
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= PV
DD
=
SHDN
= 3.3V, GND = PGND = 0V, SYNC = 0V (FFM), gain = 6dB (GAIN1 = 0, GAIN2 = 1), R
L
connected between
OUT+ and OUT-, R
L
=
∞
, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
C
SYNC_OUT
CONDITIONS
MIN
TYP
100
200
400
MAX
UNITS
pF
SYNC_OUT Capacitance Drive
Bridge-tied capacitance
Single ended
Capacitive Drive
C
L
pF
Into shutdown
66.16
Click-and-Pop Level
K
CP
Peak reading, TH D + N = 1%
A-weighted, 32 samples
per second (Note 4)
Out of
shutdown
66.26
dB
V
DD
= 3.3V, P
OUT
= 500mW per channel,
f
IN
= 1kHz, R
L
= 8
87
Efficiency
η
V
DD
= 5V, P
OUT
= 1000mW per channel,
f
IN
= 1kHz, R
L
= 8
GAIN1 = 0, GAIN2 = 0
GAIN1 = 1, GAIN2 = 0
GAIN1 = 0, GAIN2 = 1
GAIN1 = 1, GAIN2 = 1
GAIN1 = 0, GAIN2 = 0
GAIN1 = 1, GAIN2 = 0
GAIN1 = 0, GAIN2 = 1
GAIN1 = 1, GAIN2 = 1
87.4
%
10.5
15
25
37.4
50
18
12
6
0
19.5
Input Resistance
R
IN
k
Gain
A
V
dB
Channel-to-Channel Gain
Tracking
1
%
Crosstalk
L to R, R to L, f = 10kHz, R
L
= 8
,
P
OUT
= 300mW
70
dB
DIGITAL INPUTS (
SHDN
, SYNC, GAIN1, GAIN2)
Input-Voltage High
Input-Voltage Low
Input Leakage Current
(
SHDN
, GAIN1, GAIN2)
V
INH
V
INL
2
V
V
0.8
±
1
μA
V
IN
= GND, normal operation
-15
-7
Input Leakage Current (SYNC)
V
IN
= V
DD
, normal operation
12
25
μA
DIGITAL OUTPUTS (SYNC_OUT)
Output-Voltage High
Output-Voltage Low
V
OH
V
OL
I
OH
= 3mA, V
DD
= 3.3V
I
OL
= 3mA
2.4
V
V
0.08
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| MAX9701EBP-T | 制造商:Maxim Integrated Products 功能描述:1.3W, FILTERLESS, STEREO CLASS D AUDIO POWER - Tape and Reel |
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