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参数资料
| 型号： | DS4420N+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/10页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO MONO AB DIFF 14TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 放大器类型： | 音频 |
| 电路数： | 1 |
| 输出类型： | 差分 |
| 电流 - 电源： | 1.7mA |
| 电流 - 输出 / 通道： | 95mA |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 5.5 V |
| 工作温度： | -20°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
DS4420
I2C Programmable-Gain Amplifier
for Audio Applications
_____________________________________________________________________
5
0
40
20
80
60
100
120
010
515
20
POWER-SUPPLY REJECTION RATIO
vs. GAIN SETTING
DS4420
toc04
GAIN SETTING
PSRR
(dB)
1kHz
50Ω LOAD
20kHz
50Ω LOAD
0
-80
1000
10,000
100,000
COMMON-MODE FREQUENCY RESPONSE
SWEEP AT -11dB
-60
-70
DS4420
toc05
FREQUENCY (Hz)
CMRR
(dB)
-40
-50
-30
-20
-10
NO LOAD
1000
100,000
1,000,000
GAIN vs. FREQUENCY RESPONSE
DS4420
toc06
FREQUENCY (Hz)
GAIN
(dB)
10,000
30
-40
-30
-20
-10
0
20
10
50Ω LOAD
-2dB SETTING
-35dB SETTING
+25dB SETTING
-40
-20
-30
0
-10
20
10
30
GAIN vs. SETTING
DS4420
toc07
GAIN SETTING
GAIN
(dB)
0
5
10
15
20
IN+ AND IN- SHORTED TOGETHER
ACROSS -20°C TO +70°C
WITH 50Ω LOAD, 1kΩ LOAD,
AND NO LOAD
-140
-100
-120
-60
-80
-20
-40
0
CCITT NOISE vs. GAIN SETTING
DS4420
toc08
GAIN SETTING
CCITT
NOISE
(dBV)
0
5
10
15
20
NO LOAD
0.018
0.000
10
1000
100
10,000
100,000
TOTAL HARMONIC DISTORTION
vs. FREQUENCY
0.004
0.002
DS4420
toc09
FREQUENCY (Hz)
THD+N
(%)
0.008
0.006
0.012
0.010
0.014
0.016
WITH 50Ω LOAD
AND 1kΩ LOAD
1VRMS INPUT
-11dB SETTING
0.09
0.00
10
1000
100
10,000
100,000
TOTAL HARMONIC DISTORTION
vs. FREQUENCY
0.02
0.01
DS4420
toc10
FREQUENCY (Hz)
THD+N
(%)
0.04
0.03
0.06
0.05
0.07
0.08
WITH 50Ω LOAD
AND 1kΩ LOAD
1VRMS INPUT
+10dB SETTING
-40
-30
-35
-15
-20
-25
-10
-5
5
0
10
2
4
6
8
10
12 14 16 18 20
TOTAL HARMONIC DISTORTION vs. VOUT
DS4420 toc11
GAIN SETTING
V
OUT
(dB)
0.000
0.004
0.002
0.010
0.008
0.006
0.012
0.014
0.018
0.016
0.020
THD+N
(%)
50Ω LOAD
1kHz 2VRMS
INPUT
VOUT
THD+N
Typical Operating Characteristics (continued)
(TA = +25°C, VCC = AVCC = 5.0V, unless otherwise noted.)
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