參數(shù)資料
型號(hào): 5962-9451203M2X
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 運(yùn)算放大器
英文描述: OP-AMP, 5000 uV OFFSET-MAX, CQCC20
封裝: CERAMIC, LCC-20
文件頁(yè)數(shù): 5/10頁(yè)
文件大?。?/td> 147K
代理商: 5962-9451203M2X
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
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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