MAX1108 datasheet(5/20 Pages) MAXIM

5 / 20 page

Single-Supply, Low-Power,

2-Channel, Serial 8-Bit ADCs

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS—MAX1109 (continued)

(VDD = +4.5V to +5.5V; unipolar input mode; COM = GND, fSCLK = 500kHz, external clock (50% duty cycle); 10 clocks/conversion

cycle (50ksps); 1µF capacitor at REF, external +4.096V reference at REF; TA = TMIN to TMAX; unless otherwise noted. Typical values

are at TA = +25°C.)

<50

Aperture Jitter

Aperture Delay

kHz

400

Internal Clock Frequency

0 to 0.5mA (Note 7)

ppm/°C

±50

REF Tempco

CONDITIONS

IREFSC

REF Short-Circuit Current

2.5

Load Regulation

kHz

500

3.936

4.096

4.256

VREF

Output Voltage

+4.096V at REF, full scale,

500kHz external clock

µA

Input Current

1.0

VDD + 0.05

Input Voltage Range

µF

Capacitive Bypass at REF

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

External clock, 2MHz

SINAD

Signal-to-Noise Plus Distortion

µs

tACQ

Track/Hold Acquisition Time

External clock, 500kHz, 10 sclks/conv

Internal clock

µs

tCONV

Conversion Time (Note 5)

SFDR

Spurious Free Dynamic Range

THD

Total Harmonic Distortion

(up to the 5th harmonic)

-70

Full-Power Bandwidth

MHz

Unipolar input, VCOM = 0

VREF

-3dB rolloff

MHz

0.8

BW-3dB

Small-Signal Bandwidth

1.5

VCH_

Input Voltage Range (Note 4)

Multiplexer Leakage Current

µA

On/off-leakage current,

VCH = 0 or VDD

±0.01

±1

CIN

Input Capacitance

Bipolar input, VCOM or VCH1 = VREF / 2,

referenced to COM or CH1

±VREF / 2

MHz

External Clock Frequency Range

DYNAMIC PERFORMANCE (10kHz sine-wave input, 4.096Vp-p, 50ksps, 500kHz external clock)

ANALOG INPUTS

TRACK/HOLD

EXTERNAL REFERENCE

INTERNAL REFERENCE

For data transfer only

MAX1108 Datasheet(PDF) 5 Page - Maxim Integrated Products

MAX1108 Datasheet(HTML) 5 Page - Maxim Integrated Products

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Datasheet Descarga

Enlace URL