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参数资料
| 型号： | DS4420N+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/10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
_____________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +4.5V to +5.5V, TA = -20°C to +70°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VOUT = VCC
89
Amplifier Output Current
(Sinking)
IOS2
VOUT = 0.75V
64
mA
Resistive Load Range
RL
Differential
50
50k
Ω
Capacitive Load
CL
Cap to GND (Note 4)
100
pF
Closed-Loop Bandwidth
All gain settings (Note 5)
20
20k
Hz
Passband Flatness
20Hz to 20kHz (Notes 2, 5)
-1
+1
dB
A = -35dB, 300Hz to 3.4kHz
-123
Output Noise (Note 5)
NO
A = +25dB, 300Hz to 3.4kHz
-88
dBV
RL = 50Ω, VO ≤ +6dBV,
f = 1kHz, A = ±16dB
0.03
1.0
Total Harmonic Distortion (Note 5)
THD
RL = 1kΩ, VO ≤ +6dBV,
f = 1kHz, A = ±16dB
0.01
%
Gain Range
A
-35
+25
dB
Gain Step Size
AS
2.0
3.0
4.0
dB
Gain Accuracy
AERR1
(Note 10)
-2.5
+2.5
dB
Mute and Standby Mode Gain
AMUTE
(Note 5)
-90
dB
Standby Mode Exit TimetPU
(Note 6)
10
s
I2C AC ELECTRICAL CHARACTERISTICS (See Figure 3)
(VCC = +4.5V to +5.5V, TA = -20°C to +70°C, timing referenced to VIL(MAX) and VIH(MIN), unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCL Clock Frequency
fSCL
(Note 7)
0
400
kHz
Bus Free Time Between STOP and
START Conditions
tBUF
1.3
s
Hold Time (Repeated) START
Condition
tHD:STA
0.6
s
Low Period of SCL
tLOW
1.3
s
High Period of SCL
tHIGH
0.6
s
Data Hold Time
tHD:DAT
0
0.9
s
Data Setup Time
tSU:DAT
100
ns
Start Setup Time
tSU:STA
0.6
s
SDA and SCL Rise Time
tR
(Note 8)
20 +
0.1CB
300
ns
SDA and SCL Fall Time
tF
(Note 8)
20 +
0.1CB
300
ns
STOP Setup Time
tSU:STO
0.6
s
SDA and SCL Capacitive Loading
CB
(Note 8)
400
pF
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