ADS7861IRHBT datasheet(5/32 Pages) TI1

Part #	ADS7861IRHBT

Description	Dual, 500kSPS, 12-Bit, 2 2 Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER

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Manufacturer	TI1 [Texas Instruments]

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5 / 32 page

ADS7861

5

SBAS110D

TYPICAL CHARACTERISTICS

At TA = +25°C, +VA + VD = +5V, and VREF = internal +2.5V, fCLK = 8MHz, fSAMPLE = 500kSPS, unless otherwise noted.

FREQUENCY SPECTRUM

(4096 Point FFT; f

IN = 99.9kHz, –0.5dB)

Frequency (kHz)

0

–20

–40

–60

–80

–100

–120

0

62.5

125

250

187.5

FREQUENCY SPECTRUM

(4096 Point FFT; f

IN = 199.9kHz, –0.5dB)

Frequency (kHz)

0

–20

–40

–60

–80

–100

–120

0

62.5

125

250

187.5

CHANGE IN POSITIVE GAIN MATCH

vs TEMPERATURE

(Maximum Deviation for All Four Channels)

Temperature (

°C)

0.6

0.5

0.4

0.3

0.2

0.1

0

–40

25

85

150

CHANGE IN SIGNAL-TO-NOISE RATIO

AND SIGNAL-TO-(NOISE+DISTORTION)

vs TEMPERATURE

Temperature (

°C)

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

–0.1

–40

25

85

SNR

SINAD

CHANGE IN SPURIOUS FREE DYNAMIC RANGE

AND TOTAL HARMONIC DISTORTION

vs TEMPERATURE

Temperature (

°C)

7

6

5

4

3

2

1

0

–1

+1

0

–0.5

–1

–1.5

–2

–2.5

–3

–3.5

–40

25

85

THD

SFDR

SIGNAL-TO-NOISE RATIO and

SIGNAL-TO-(NOISE+DISTORTION)

vs INPUT FREQUENCY

10k

100k

1k

1M

Input Frequency (Hz)

74

72

70

68

66

64

76

SINAD

SNR

Similar Part No. - ADS7861IRHBT

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Manufacturer	Part #	Datasheet	Description
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ADS7861IRHBT Datasheet(PDF) 5 Page - Texas Instruments

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