MAX11167 datasheet(3/28 Pages) MAXIM

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Maxim Integrated │ 3

MAX11167

16-Bit, 250ksps, ±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 = 250ksps, VREF = 4.096V; TA = TMIN to TMAX, unless otherwise noted.

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Negative Full-Scale Error

-8

LSB

Analog Input CMRR

CMRR

-0.9

LSB/V

Power-Supply Rejection (Note 5)

PSR

-4.6

LSB/V

Transition Noise

0.5

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

±8.2

+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

±6.7

+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

-14.4

±6.6

+14.4

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

IREF

VREF = 4.096V, reference modes 2 and 3

µA

DYNAMIC PERFORMANCE (Note 6)

Signal-to-Noise Ratio (Note 7)

SNR

fIN = 10kHz

VREF = 4.096V, reference

mode 3

91.8

93.2

VREF = 4.096V, reference

mode 1

93.1

VREF = 2.5V, reference

mode 3

90.1

Internal reference,

reference mode 0

93.2

Signal-to-Noise Plus Distortion

(Note 7)

SINAD

fIN = 10kHz

VREF = 4.096V, reference

mode 3

91.0

92.7

VREF = 4.096V, reference

mode 1

92.5

VREF = 2.5V, reference

mode 3

89.9

Internal reference,

reference mode 0

92.7

Spurious-Free Dynamic Range

SFDR

98.8

105.8

Total Harmonic Distortion

THD

-102.5

-96.5

Intermodulation Distortion (Note 8)

IMD

-115.0

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