MAX11047 datasheet(3/18 Pages) MAXIM

3 / 18 page

4-/6-/8-Channel, 16-Bit,

Simultaneous-Sampling ADCs

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ELECTRICAL CHARACTERISTICS (continued)

(AVDD = 4.75V to 5.25V, DVDD = +2.7V to 5.25V, VAGNDS = VAGND = VDGND = 0V, VREFIO = internal reference, CRDC = 4 x 33μF,

CREFIO = 0.1μF, CAVDD = 4 x 0.1μF || 10μF, CDVDD = 3 x 0.1μF || 10μF; all digital inputs at DVDD or DGND, unless otherwise noted.

TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Capacitance

Input-Clamp Protection Current

Each input simultaneously

-20

+20

TRACK AND HOLD

Throughput Rate

Per channel, 8 channels in 4μs

250

ksps

Acquisition Time

tACQ

1μs

-3dB point

Full-Power Bandwidth

-0.1dB point

> 0.2

MHz

Aperture Delay

Aperture-Delay Matching

100

Aperture Jitter

psRMS

INTERNAL REFERENCE

REFIO Voltage

VREF

4.073

4.096

4.119

REFIO Temperature Coefficient

±5

ppm/°C

EXTERNAL REFERENCE

Input Current

-10

+10

μA

REF Voltage Input Range

VREF

3.00

4.25

REF Input Capacitance

DIGITAL INPUTS (DB0–DB15,

RD, WR, CS, CONVST)

Input-Voltage High

VIH

VDVDD = 2.7V to 5.25V

Input-Voltage Low

VIL

VDVDD = 2.7V to 5.25V

0.8

Input Capacitance

CIN

Input Current

IIN

VIN = 0 or VDVDD

±10

μA

DIGITAL OUTPUTS (DB0–DB15,

EOC)

Output-Voltage High

VOH

ISOURCE = 1.2mA

VDVDD -

0.4

Output-Voltage Low

VOL

ISINK = 1mA

0.4

Three-State Leakage Current

DB0–DB15, VRD ≥ VIH or VCS ≥ VIH

μA

Three-State Output Capacitance

DB0–DB15, VRD ≥ VIH or VCS ≥ VIH

POWER SUPPLIES (MAX11047)

Analog Supply Voltage

AVDD

4.75

5.25

Digital Supply Voltage

DVDD

2.70

5.25

Analog Supply Current

IAVDD

Digital Supply Current

IDVDD

VDVDD = 3.3V (Note 7)

5.7

Shutdown Current

For DVDD

μA

Shutdown Current

For AVDD

μA

Power-Supply Rejection Ratio

PSRR

VAVDD = 4.9V to 5.1V (Note 8)

±0.5

LSB

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