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參數(shù)資料
| 型號： | EVAL-AD1990EB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Audio Switching Amplifier |
| 中文描述： | 音頻開關(guān)放大器 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 314K |
| 代理商： | EVAL-AD1990EB |
AD1990
SPECIFICATIONS
Test conditions, unless otherwise specified.
Table 1.
Parameter
SUPPLY VOLTAGES
AV
DD
DV
DD
PV
DD
AMBIENT TEMPERATURE
LOAD IMPEDANCE
CLOCK FREQUENCY
PGA GAIN
MEASUREMENT BANDWIDTH
Rev. 0 | Page 3 of 16
Ratings
5 V
5 V
12 V
25°C
6 Ω
12.288 MHz
0 dB
20 Hz to 20 kHz
Table 2.
Parameter
R
DS-ON
Per High-Side Transistor
Per Low-Side Transistor
MAXIMUM CURRENT THROUGH OUTx
THERMAL WARNING ACTIVE
THERMAL SHUTDOWN ACTIVE
RESTORE TEMPERATURE AFTER THERMAL SHUTDOWN
Min
Typ
260
210
5
135
150
120
Max
355
265
Unit
mΩ
mΩ
A
°C
°C
°C
Test Conditions/Comments
T = 25°C
T = 25°C
Peak
Die temperature
Die temperature
Die temperature
Table 3. Performance Specifications
Parameter
TOTAL HARMONIC DISTORTION AND NOISE (THD + N)
SIGNAL-TO-NOISE RATIO (SNR)
DYNAMIC RANGE (DNR)
CROSSTALK (LEFT-TO-RIGHT OR RIGHT-TO-LEFT)
Typ
0.003
0.006
0.01
0.02
102
102
100
Unit
%
%
%
%
dB
dB
dB
Test Conditions/Comments
PGA = 0 dB, P
O
= 1 W, 1 kHz
PGA = 6 dB, P
O
= 1 W, 1 kHz
PGA = 12 dB, P
O
= 1 W, 1 kHz
PGA = 18 dB, P
O
= 1 W, 1 kHz
1 kHz, A-weighted, 0 dB referred to 1% THD + N output
1 kHz, A-weighted, 60 dB referred to 1% THD + N output
PGA = 0 dB, P
O
= 5 W, 1 kHz
Table 4. DC Specifications
Parameter
INPUT IMPEDANCE
OUTPUT DC OFFSET
Typ
20
±4
Unit
kΩ
mV
Test Conditions/Comments
AINL, AINR input pins
Independent of PGA setting
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