MAX1106 datasheet(6/16 Pages) MAXIM

6 / 16 page

Single-Supply, Low-Power,

Serial 8-Bit ADCs

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ELECTRICAL CHARACTERISTICS—MAX1107 (continued)

(VDD = +4.5V to +5.5V; IN- = GND; fSCLK = 2MHz; 25ksps conversion rate; 1µF capacitor at REFOUT; external +4.096V reference at

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

Figure 6, DOUT High-Z

COUT

Three-State Output Capacitance

µA

±0.01

±10

Three-State Leakage Current

Figure 1, CLOAD = 100pF

200

tDO

SCLK Fall to Output Data Valid

CONDITIONS

240

tDV

CONVST Rise to Output Enable

200

tCH

SCLK Pulse Width High

µs

tCSPW

CONVST Pulse Width High

µs

tACQ

Acquisition Time

µs

tCONV

CONVST Fall to Output Data

Valid

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

ISINK = 5mA

ISINK = 16mA

0.4

4.5

5.5

VDD

Supply Voltage

0.8

VOL

Output Low Voltage

VDD = 5.5V, CL = 10pF,

full-scale input

115

250

Power down, VDD = 4.5V to 5.5V

0.5

2.5

External reference = 4.096V,

full-scale input, VDD = 4.5V to 5.5V

±0.4

±4

PSR

Power-Supply Rejection (Note 8)

0.2

VHYST

Input Hysteresis

0.8

VIL

Threshold Voltage Low

VIH

Threshold Voltage High

µA

±1

IIH

Input Current High

CIN

Input Capacitance

ISOURCE = 0.5mA

VDD - 0.5

VOH

Output High Voltage

µA

±1

IIL

Input Current Low

µA

IDD

Supply Current (Notes 2, 7)

4.096V at REFIN, full scale

µA

120

Input Current

1.0

VDD + 0.05

VREFIN

Input Voltage Range

EXTERNAL REFERENCE

DIGITAL INPUTS (SHDN, SCLK, and CONVST)

DIGITAL OUTPUT (DOUT)

TIMING CHARACTERISTICS (Figures 6 and 7)

POWER REQUIREMENTS

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