MAX1106 datasheet(3/16 Pages) MAXIM

3 / 16 page

Single-Supply, Low-Power,

Serial 8-Bit ADCs

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS—MAX1106 (continued)

(VDD = +2.7V to +3.6V; IN- to GND; fSCLK = 2MHz; 25ksps conversion rate; 1µF capacitor at REFOUT; external +2.048V reference at

REFIN; TA = TMIN to TMAX; unless otherwise noted. Typical values are at TA = +25°C.)

CONDITIONS

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

Figure 7

µs

tCONV

Conversion Time

µs

tACQ

Track/Hold Acquisition Time

<50

Aperture Jitter

Aperture Delay

kHz

400

Internal Clock Frequency

(Note 5)

0 to 0.5mA (Note 6)

ppm/°C

±50

REF Tempco

µA

150

IREFSC

REF Short-Circuit Current

Load Regulation

1.968

2.048

2.128

VREFOUT

Output Voltage

+2.048V at REFIN, full scale

µA

120

Input Current

2.7

5.5

VDD

Supply Voltage

Power down, VDD = 3.6V

Full-scale input, VDD = 2.7V to 3.6V

0.5

2.5

IDD

±0.4

±4

PSR

Power-Supply Rejection (Note 8)

VDD = 3.6V, CL = 10pF

VDD = 5.5V, CL = 10pF

115

µF

Capacitive Bypass at REFOUT

0.2

VHYST

Input Hysteresis

0.8

VIL

Threshold Voltage Low

µA

±1

IIH

Input Current High

VDD ≤ 3.6V

VDD > 3.6V

VIH

Threshold Voltage High

MHz

External Clock Frequency Range

1.0

VDD + 0.05

VREFIN

Input Voltage Range

µA

±1

IIL

Input Current Low

CIN

Input Capacitance

For data transfer only

250

µA

Supply Current (Notes 2, 7)

TRACK/HOLD

INTERNAL REFERENCE

EXTERNAL REFERENCE

POWER REQUIREMENTS

DIGITAL INPUTS (SHDN, SCLK, and CONVST)

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