ADCS7477 datasheet(8/33 Pages) TI1

8 / 33 page

ADCS7476, ADCS7477, ADCS7478

SNAS192G – APRIL 2003 – REVISED MAY 2016

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Electrical Characteristics – ADCS7477 (continued)

TA = 25°C, VDD = 2.7 V to 5.25 V, fSCLK = 20 MHz, and fSAMPLE = 1 MSPS (unless otherwise noted)

(1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tAJ

Aperture jitter

(1)

Data sheet min/max specification limits are ensured by design, test, or statistical analysis.

6.7 Electrical Characteristics – ADCS7478

TA = 25°C, VDD = 2.7 V to 5.25 V, fSCLK = 20 MHz, and fSAMPLE = 1 MSPS (unless otherwise noted)

(1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

STATIC CONVERTER CHARACTERISTICS

Resolution with no missing codes

–40°C

≤ TA ≤ 85°C

Bits

INL

Integral non-linearity

TA = 25°C

±0.05

LSB

–40°C

≤ TA ≤ 85°C

±0.3

DNL

Differential non-linearity

TA = 25°C

±0.07

LSB

–40°C

≤ TA ≤ 85°C

±0.3

VOFF

Offset error

TA = 25°C

±0.03

LSB

–40°C

≤ TA ≤ 85°C

±0.3

Gain error

TA = 25°C

±0.08

LSB

–40°C

≤ TA ≤ 85°C

±0.4

Total unadjusted error

TA = 25°C

±0.07

LSB

–40°C

≤ TA ≤ 85°C

±0.3

DYNAMIC CONVERTER CHARACTERISTICS

SINAD

Signal-to-noise plus distortion ratio

fIN = 100 kHz

TA = 25°C

49.7

–40°C

≤ TA ≤ 85°C

SNR

Signal-to-noise ratio

fIN = 100 kHz

49.7

THD

Total harmonic distortion

fIN = 100 kHz

TA = 25°C

–77

–40°C

≤ TA ≤ 85°C

–65

SFDR

Spurious-free dynamic range

fIN = 100 kHz

TA = 25°C

–40°C

≤ TA ≤ 85°C

IMD

Intermodulation distortion,

second order terms

fa = 103.5 kHz, fb = 113.5 kHz

–68

Intermodulation distortion,

third order terms

fa = 103.5 kHz, fb = 113.5 kHz

–68

FPBW

–3-dB full power bandwidth

5-V supply

MHz

3-V supply

MHz

POWER SUPPLY CHARACTERISTICS

IDD

Normal mode (static)

VDD = 4.75 V to 5.25 V, SCLK On or Off

VDD = 2.7 V to 3.6 V, SCLK On or Off

Normal mode (operational)

VDD = 4.75 V to 5.25 V,

fSAMPLE = 1 MSPS

TA = 25°C

–40°C

≤ TA ≤ 85°C

3.5

VDD = 2.7 V to 3.6 V,

fSAMPLE = 1 MSPS

TA = 25°C

0.6

–40°C

≤ TA ≤ 85°C

1.6

Shutdown mode

VDD = 5 V, SCLK Off

0.5

µA

VDD = 5 V, SCLK On

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