MAX11156 datasheet(3/27 Pages) MAXIM

3 / 27 page

Maxim Integrated │ 3

MAX11156

18-Bit, 500ksps, ±5V SAR ADC

with Internal Reference in TDFN

www.maximintegrated.com

Electrical Characteristics (continued)

(VDD = 4.75V to 5.25V, VOVDD = 2.3V to 5.25V, fSAMPLE = 500kHz, VREF = 4.096V, Reference Mode 3; TA = TMIN to TMAX, unless

otherwise noted. Typical values are at TA = +25NC.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Analog Input CMR

CMR

-77

Power-Supply Rejection (Note 5)

PSR

±8.0

LSB

Transition Noise

1.7

LSBRMS

REFERENCE (Note 7)

REF Output Initial Accuracy

VREF

Reference mode 0

4.092

4.096

4.100

REF Output Temperature

Coefficient

TCREF

Reference mode 0

-17

±9

+17

ppm/°C

REFIO Output Initial Accuracy

VREFIO

Reference modes 0 and 2

4.092

4.096

4.100

REFIO Output Temperature

Coefficient

TCREFIO Reference modes 0 and 2

-15

±6

+15

ppm/°C

REFIO Output Impedance

Reference modes 0 and 2

kΩ

REFIO Input Voltage Range

Reference mode 1

4.096

4.25

Reference Buffer Initial Offset

Reference mode 1

-500

+500

µV

Reference Buffer Temperature

Coefficient

Reference mode 1

-10

±6

+10

µV/°C

External Compensation

Capacitor

CEXT

Required for reference modes 0

and 1, recommended for reference

modes 2 and 3

µF

REF Voltage Input Range

VREF

Reference modes 2 and 3

2.5

4.25

REF Input Capacitance

Reference modes 2 and 3

REF Load Current

130

µA

AC ACCURACY (Note 6)

Signal-to-Noise Ratio (Note 7)

SNR

fIN =

10kHz

VREF = 4.096V,

reference mode 3

94.6

VREF = 4.096V,

reference mode 1

93.7

VREF = 2.5V,

reference mode 3

90.6

Internal reference,

reference mode 0

93.6

Signal-to-Noise Plus Distortion

(Note 7)

SINAD

fIN =

10kHz

VREF = 4.096V,

reference mode 3

91.5

94.2

VREF = 4.096V,

reference mode 1

93.0

VREF = 2.5V,

reference mode 3

90.2

Internal reference,

reference mode 0

92.8

MAX11156 Datasheet(PDF) 3 Page - Maxim Integrated Products

MAX11156 Datasheet(HTML) 3 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 21 22 23 24 25 26 27

Datasheet Download

Link URL