MAX1306ECM datasheet(4/37 Pages) MAXIM

Part #	MAX1306ECM

Description	8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with ±10V, ±5V, and 0 to 5V Analog Input Ranges

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Manufacturer	MAXIM [Maxim Integrated Products]

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4 / 37 page

8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs

with ±10V, ±5V, and 0 to +5V Analog Input Ranges

4

_______________________________________________________________________________________

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

EXTERNAL REFERENCE (REF and REFMS are externally driven)

REF Input Voltage Range

VREF

2.0

2.5

3.0

V

REF Input Resistance

RREF

(Note 5)

5

k

Ω

REF Input Capacitance

15

pF

REFMS Input Voltage Range

VREFMS

2.0

2.5

3.0

V

REFMS Input Resistance

RREFMS

(Note 6)

5

k

Ω

REFMS Input Capacitance

15

pF

REF+ Output Voltage

VREF+

VREF = +2.5V

3.850

V

COM Output Voltage

VCOM

VREF = +2.5V

2.600

V

REF- Output Voltage

VREF-

VREF = +2.5V

1.350

V

Differential Reference Voltage

VREF+ -

VREF-

VREF = +2.5V

2.500

V

DIGITAL INPUTS (D0–D7,

RD, WR, CS, CLK, SHDN, CHSHDN, CONVST)

Input-Voltage High

VIH

0.7 x VDVDD

V

Input-Voltage Low

VIL

0.3 x VDVDD

V

Input Hysteresis

20

mV

Input Capacitance

CIN

15

pF

Input Current

IIN

VIN = 0V or VDVDD

0.02

±1

µA

CLOCK-SELECT INPUT (INTCLK/

EXTCLK)

Input-Voltage High

VIH

0.7 x VAVDD

V

Input-Voltage Low

VIL

0.3 x VAVDD

V

DIGITAL OUTPUTS (D0–D11,

EOC, EOLC)

Output-Voltage High

VOH

ISOURCE = 0.8mA, Figure 1

VDVDD - 0.6

V

Output-Voltage Low

VOL

ISINK = 1.6mA, Figure 1

0.4

V

D0–D11 Tri-State Leakage Current

RD = high or CS = high

0.06

1

µA

D0–D11 Tri-State Output

Capacitance

RD = high or CS = high

15

pF

POWER SUPPLIES

Analog Supply Voltage

AVDD

4.75

5.25

V

Digital Supply Voltage

DVDD

2.70

5.25

V

MAX1304/MAX1305/MAX1306,

all channels selected

55

60

MAX1308/MAX1309/MAX1310,

all channels selected

54

60

Analog Supply Current

IAVDD

MAX1312/MAX1313/MAX1314,

all channels selected

54

60

mA

ELECTRICAL CHARACTERISTICS (continued)

(VAVDD = +5V, VDVDD = +3V, VAGND = VDGND = 0V, 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 (bipo-

lar devices), fCLK = 16.67MHz 50% duty cycle, INTCLK/EXTCLK = AGND (external clock), SHDN = DGND, TA = TMIN to TMAX,

unless otherwise noted. Typical values are at TA = +25°C. See Figures 3 and 4.)

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