ADS9217 datasheet(8/68 Pages) TI2

8 / 68 page

6.5 Electrical Characteristics

at AVDD_5V = 4.75V to 5.25V, VDD_1V8 = 1.75V to 1.85V, internal VREF = 4.096V, and maximum throughput (unless

otherwise noted); minimum and maximum values at TA = –40°C to +125°C; typical values at TA = 25°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ANALOG INPUTS

Input bias current

0.1

Input bias current thermal drift

TA = 0°C to 70°C

0.02

nA/

℃

TA = –40°C to 125°C

0.1

DC PERFORMANCE

Resolution

No missing codes

Bits

DNL

Differential nonlinearity

–0.9

±0.4

0.9

LSB

INL

Integral nonlinearity

TA = 0°C to 70°C, all devices

–1.125

±0.8

1.125

LSB

TA = –40°C to 125°C, all devices

–1.9

±0.8

1.9

LSB

V(OS)

Input offset error(1)

±40

LSB

dVOS/dT Input offset error thermal drift(1)

0.25

1 ppm/°C

Gain error(1)

–0.05

±0.01

0.05

%FSR

dGE/dT

Gain error thermal drift(1)

0.5

2 ppm/°C

AC PERFORMANCE

SINAD

Signal-to-noise + distortion ratio

fIN = 2kHz

95.4

fIN = 1MHz

94.3

SNR

Signal-to-noise ratio

fIN = 2kHz

93.3

95.5

dBFS

fIN = 1MHz

94.9

THD

Total harmonic distortion

fIN = 2kHz, ADS9117 and ADS9118

–120

fIN = 2kHz, ADS9119 at 20MSPS

–118

fIN = 1MHz, all devices

–104

SFDR

Spurious-free dynamic range

fIN = 2kHz

118

fIN = 1MHz

104

Isolation crosstalk

fIN = 2kHz

120

Aperture jitter

SIngle-ended CMOS clock on

SMPL_CLKP

0.3

psRMS

Differential LVDS sampling clock

0.8

Input Bandwidth (–3dB)

ADS9119

MHz

ADS9118

ADS9117

INTERNAL REFERENCE

VREF (2)

Voltage on REFIO pin

(configured as output)

1µF capacitor on REFIO pin, TA = 25°C

4.092

4.096

4.1

Reference temperature drift

20 ppm/°C

COMMON-MODE OUTPUT BUFFER

VCMOUT

Common-mode output voltage

ADS9119

2.2

2.460

2.65

ADS9118

2.2

2.410

2.65

ADS9117

2.2

2.385

2.65

Output current drive

μA

ADS9117, ADS9118, ADS9119

SLVSIN3 – MAY 2025

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