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參數(shù)資料
| 型號： | DS4420N+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 5/10頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO MONO AB DIFF 14TDFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 音頻 |
| 電路數(shù)： | 1 |
| 輸出類型： | 差分 |
| 電流 - 電源： | 1.7mA |
| 電流 - 輸出 / 通道： | 95mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 5.5 V |
| 工作溫度： | -20°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-WFDFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 14-TDFN-EP（3x3） |
| 包裝： | 帶卷 (TR) |
DS4420
I2C Programmable-Gain Amplifier
for Audio Applications
4
_____________________________________________________________________
Note 1:
All voltages are referenced to ground. Currents entering the IC are specified positive, and currents exiting the IC are negative.
Note 2:
Standby supply current specified with SDA = SCL = VCC, the output disconnected, and A0, A1, and A2 driven to within
100mV of VCC or GND.
Note 3:
Input resistance during mute and power-down is approximately one-half of the active-mode resistance.
Note 4:
Each output is capable of driving a 100nF capacitive load to ground using an external 10Ω series resistor. However, output
capacitance should be minimal for optimal distortion performance.
Note 5:
Guaranteed by design.
Note 6:
This is the time it takes for the output to become active after exiting standby mode.
Note 7:
I2C interface timing shown is for fast-mode (400kHz) operation. This device is also backward-compatible with I2C standard-
mode timing.
Note 8:
CB = total capacitance of one bus line in picofarads.
Note 9:
The current specified is the sum of VCC and AVCC supply currents.
Note 10: Gain accuracy specified assuming the output impedance of signal source driving of the DS4420 is ≤ 2.5kΩ.
Typical Operating Characteristics
(TA = +25°C, VCC = AVCC = 5.0V, unless otherwise noted.)
70
74
72
78
76
82
80
84
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(STANDBY MODE ENABLED)
DS4420
toc01
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(μ
A)
4.50
4.75
5.00
5.25
5.50
VCC = AVCC = SDA = SCL
NO LOAD
IN+ AND IN- SHORTED
TOGETHER
+25°C
+70°C
-20°C
1.8
1.7
1.6
1.5
1.4
4.50
5.00
4.75
5.25
5.50
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(SETTING AT -11dB)
DS4420
toc02
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
VCC = AVCC = SDA = SCL
NO LOAD
IN+ AND IN- SHORTED
TOGETHER
+25°C
-20°C
+70°C
0
0.6
0.4
0.2
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
5
10
15
20
SUPPLY CURRENT vs. GAIN SETTING
DS4420
toc03
GAIN SETTING
SUPPLY
CURRENT
(mA)
IN+ AND IN- SHORTED
TOGETHER
NO LOAD
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