MX7672UQ05(2012) 查看數據表（PDF） - Maxim Integrated

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MX7672UQ05
(Rev.:2012)

High-Speed 12-Bit ADC With External Reference Input Part

Maxim Integrated 

MX7672

High-Speed 12-Bit ADC With External

Reference Input Part

Electrical Characteristics (continued)

(VDD = +5V ±5%, VSS = -12V ±10%, VREF = -5V, slow-memory mode; fCLK = 4MHz for MX7672_ _03, fCLK = 2.5MHz for MX7672_

_05, fCLK = 1.25MHz for MX7672_ _10; TA = TMIN to TMAX, unless otherwise noted.)

PARAMETER

SYMBOL

Conversion Time

tCONV

ANALOG AND REFERENCE INPUTS

Analog Input Current (AIN1/

AIN2)

VREF Input Range (Note 2)

VREF Input Current

LOGIC

Input Low Voltage

Input High Voltage

VINL

VINH

Input Current

IIN

Input Capacitance (Note 2)

CIN

Output Low Voltage

VOL

Output High Voltage

VOH

High-Impedance State Leakage

Current

ILKG

CONDITIONS

Synchronous Clk

(12.5 clks)

MX7672_ _03

MX7672_ _05

MX7672_ _10

Asynchronous Clk

(12 to 13 clks)

MX7672_ _03

MX7672_ _05

MX7672_ _10

Unipolar input ranges 0 to +5V, 0 to +10V

Bipolar range ±5V

CS, RD, CLKIN

CS, RD, CLKIN

CS, RD; VIN = 0V to VDD

CLKIN; VIN = 0V to VDD

D11–D0, BUSY, CLKOUT, ISINK = 1.6mA

D11–D0, BUSY, CLKOUT,

ISOURCE = 200µA

D11–D0, VOUT = 0V to VDD

MIN TYP

3.0

4.8

9.6

-5.05

2.4

4.0

MAX

3.125

5

10

3.25

5.2

10.4

UNITS

LSB

LSB

3.5

mA

±1.75

-4.95

V

±3

µA

0.8

V

V

±10

µA

±20

10

pF

0.4

V

V

±10

µA

High-Impedance State Output

Capacitance (Note 2)

COUT

15

pF

POWER REQUIREMENTS

Supply Voltage

Supply Current

Power Dissipation

Power-Supply Rejection,

VDD Only

Power-Supply Rejection,

VSS Only

VDD

VSS

IDD

ISS

PD

CS = RD = VDD, VAIN1 = VAIN2 = 5V,

BUSY = HIGH

VDD = 5V, VSS = -12V

FS change, VSS = -12V, VDD = 4.75V

to 5.25V

FS change, VDD = 5V, VSS = -10.8V

to -13.2V

4.75

5

5.25

V

-13.2 -12

-10.8

7

mA

-12

110

179

mW

±1/4

±2

LSB

±1/2

±1

LSB

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