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

12______________________________________________________________________________________