ADS9813 datasheet(8/66 Pages) TI

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5.5 Electrical Characteristics (continued)

at AVDD_5V = 4.75V to 5.25V, VDD_1V8 = 1.75V to 1.85V, IOVDD = 1.15V to 1.85V, VREF = 4.096V (external), 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

AC PERFORMANCE(3) (4)

SNR

Signal-to-noise ratio

Low-noise filter, fIN = 2kHz, range = ±2.5V

85.3

87.4

dBFS

Low-noise filter, fIN = 2kHz, range = ±3.5V

86.3

88.4

Low-noise filter, fIN = 2kHz, range = ±5V

89.1

Low-noise filter, fIN = 2kHz, range = ±7V

87.5

89.8

Low-noise filter, fIN = 2kHz, range = ±10V

90.2

Low-noise filter, fIN = 2kHz, range = ±12V

88.1

90.3

Wide-bandwidth filter, fIN = 2kHz,

range = ±2.5V

77.1

79.1

Wide-bandwidth filter, fIN = 2kHz,

range = ±3.5V

77.4

79.4

Wide-bandwidth filter, fIN = 2kHz,

range = ±5V

77.5

79.7

Wide-bandwidth filter, fIN = 2kHz,

range = ±7V

77.7

79.9

Wide-bandwidth filter, fIN = 2kHz,

range = ±10V

79.5

81.6

Wide-bandwidth filter, fIN = 2 kHz,

range = ±12V

80.2

82.4

SINAD

Signal-to-noise + distortion ratio

Low-noise filter, fIN = 2kHz, range = ±2.5V

85.2

87.3

Low-noise filter, fIN = 2kHz, range = ±3.5V

86.2

88.3

Low-noise filter, fIN = 2kHz, range = ±5V

86.9

Low-noise filter, fIN = 2kHz, range = ±7V

87.4

89.7

Low-noise filter, fIN = 2kHz, range = ±10V

87.9

90.1

Low-noise filter, fIN = 2kHz, range = ±12V

90.2

Wide-bandwidth filter, fIN = 2kHz,

range = ±2.5V

Wide-bandwidth filter, fIN = 2kHz,

range = ±3.5V

77.3

79.3

Wide-bandwidth filter, fIN = 2kHz,

range = ±5V

77.4

79.6

Wide-bandwidth filter, fIN = 2kHz,

range = ±7V

77.6

79.8

Wide-bandwidth filter, fIN = 2kHz,

range = ±10V

79.4

81.5

Wide-bandwidth filter, fIN = 2 kHz,

range = ±12V

80.1

82.3

THD

Total harmonic distortion

Low-noise filter, fIN = 2kHz, all ranges

–113

Wide-bandwidth filter, fIN = 2kHz, all ranges

–113

SFDR

Spurious-free dynamic range

fIN = 2kHz

102

fIN = 2kHz, data averaging enabled

113

CMRR

At dc

–70

Isolation crosstalk

At dc

–100

INTERNAL REFERENCE

VREF (1)

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

ADS9813, ADS9811, ADS9810

SBASAQ6A – JULY 2024 – REVISED NOVEMBER 2024

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