元器件交易网
8-/4-/2-Channel,12-Bit,Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input RangesMAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX1314
(AVDD= +5V, DVDD= +3V, AGND = DGND = 0, VREF= VREFMS= +2.5V (external reference), CREF= CREFMS= 0.1µF, CREF+=CREF-= 0.1µF, CREF+-to-REF-= 2.2µF || 0.1µF, CCOM= 2.2µF || 0.1µF, CMSV= 2.2µF || 0.1µF (unipolar devices), MSV = AGND (bipolardevices), fCLK= 16.67MHz 50% duty cycle, INTCLK/EXTCLK= AGND (external clock), fIN= 500kHz, AIN= -0.4dBFS. TA= +25°C,unless otherwise noted.) (Figures 3 and 4)
INTERNAL REFERENCE VOLTAGEvs. ANALOG SUPPLY VOLTAGE
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
2.5032.502VREF (V)2.5012.5002.4992.4982.4972.496
2.50042.50032.5002VREF (V)2.50012.50002.49992.49982.49972.4996
4.7
4.8
4.9
5.0AVDD (V)
5.1
5.2
2.504
5.3-40
-1510356085
TEMPERATURE (°C)
INTERNAL CLOCK CONVERSION TIMEvs. ANALOG SUPPLY VOLTAGE
INTERNAL CLOCK CONVERSION TIME
vs. TEMPERATURE
900800
700600TIME (ns)
50040030020010004.7
4.8
4.9
5.0AVDD (V)
5.1
5.2
TIME (ns)
-40
-15
10
35
60
85
TEMPERATURE (°C)
5.3
ANALOG INPUT CHANNEL CURRENTvs. ANALOG INPUT CHANNEL VOLTAGE
ANALOG INPUT CHANNEL CURRENTvs. ANALOG INPUT CHANNEL VOLTAGE
ANALOG INPUT CHANNEL CURRENTvs. ANALOG INPUT CHANNEL VOLTAGE
1.51.0ICH_ (mA)
0.50-0.5-1.0-1.5-2.0
2.01.51.0
3.02.52.01.51.0ICH_ (mA)
0.50-0.5-1.0-1.5-2.0-2.5-3.0
-20
-15
-10
-5
0VCH_ (V)
5
10
15
2.0
ICH_ (mA)
0.50-0.5-1.0-1.5-2.0
-6
-4
-2
0VCH_ (V)
2
4
6
20-20-15-10-50VCH_ (V)
5101520
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