ADC32RF83 datasheet(7/138 Pages) TI

7 / 138 page

ADC32RF80, ADC32RF83

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SBAS774A – MAY 2016 – REVISED DECEMBER 2016

Product Folder Links: ADC32RF80 ADC32RF83

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(1)

Performance is shown with DDC bypassed. When DDC is enabled, performance improves by the decimation filtering process.

(2)

Minimum values are specified at AOUT = –3 dBFS.

(3)

Output amplitude, AOUT, refers to the signal amplitude in the ADC digital output that is same as the analog input amplitude, AIN, except

when the digital gain feature is used. If digital gain is G, then AOUT = G + AIN.

(4)

The ADC internal resistance = 65 Ω, the driving source resistance = 50 Ω.

(5)

The minimum value of HD2 is specified by bench characterization.

6.6 AC Performance Characteristics: fS = 2949.12 MSPS

typical values specified at an ambient temperature of 25°C; minimum and maximum values are specified over an ambient

temperature range of –40°C to +85°C; and chip sampling rate = 2949.12 MSPS, 50% clock duty cycle, DDC-bypassed

performance

(1), AVDD19 = 1.9 V, AVDD = 1.15 V, DVDD = 1.15 V, –2-dBFS differential input, and 0-dB digital gain (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN(2)

NOM

MAX

UNIT

SNR

Signal-to-noise ratio

fIN = 100 MHz, AOUT = –2 dBFS

62.6

dBFS

fIN = 900 MHz, AOUT = –2 dBFS

61.1

fIN = 1850 MHz, AOUT = –2 dBFS

55.4

58.9

fIN = 2100 MHz, AOUT = –2 dBFS

58.2

fIN = 2600 MHz, AOUT = –2 dBFS

56.8

fIN = 3500 MHz, AOUT

(3) = –3 dBFS with 2-dB gain

54.1

NSD

Noise spectral density

averaged across the

Nyquist zone

fIN = 100 MHz, AOUT = –2 dBFS

154.3

dBFS/Hz

fIN = 900 MHz, AOUT = –2 dBFS

152.8

fIN = 1850 MHz, AOUT = –2 dBFS

147.1

150.6

fIN = 2100 MHz, AOUT = –2 dBFS

149.9

fIN = 2600 MHz, AOUT = –2 dBFS

148.5

fIN = 3500 MHz, AOUT

(3) = –3 dBFS with 2-dB gain

145.8

Small-signal SNR

fIN = 1850 MHz, AOUT = –40 dBFS

63.1

dBFS

NF(4)

Noise figure

fIN = 1850 MHz, AOUT = –40 dBFS

24.7

SINAD

Signal-to-noise and

distortion ratio

fIN = 100 MHz, AOUT = –2 dBFS

61.7

dBFS

fIN = 900 MHz, AOUT = –2 dBFS

60.2

fIN = 1850 MHz, AOUT = –2 dBFS

58.4

fIN = 2100 MHz, AOUT = –2 dBFS

57.6

fIN = 2600 MHz, AOUT = –2 dBFS

54.8

fIN = 3500 MHz, AOUT

(3) = –3 dBFS with 2-dB gain

53.6

ENOB

Effective number of bits

fIN = 100 MHz, AOUT = –2 dBFS

10.0

Bits

fIN = 900 MHz, AOUT = –2 dBFS

9.7

fIN = 1850 MHz, AOUT = –2 dBFS

9.4

fIN = 2100 MHz, AOUT = –2 dBFS

9.3

fIN = 2600 MHz, AOUT = –2 dBFS

8.8

fIN = 3500 MHz, AOUT

(3) = –3 dBFS with 2-dB gain

8.6

SFDR

Spurious-free dynamic

range

fIN = 100 MHz, AOUT = –2 dBFS

68.0

dBc

fIN = 900 MHz, AOUT = –2 dBFS

66.0

fIN = 1850 MHz, AOUT = –2 dBFS

67.0

fIN = 2100 MHz, AOUT = –2 dBFS

64.0

fIN = 2600 MHz, AOUT = –2 dBFS

58.0

fIN = 3500 MHz, AOUT

(3) = –3 dBFS with 2-dB gain

62.0

HD2(5)

Second-order harmonic

distortion

fIN = 100 MHz, AOUT = –2 dBFS

72.0

dBc

fIN = 900 MHz, AOUT = –2 dBFS

73.0

fIN = 1850 MHz, AOUT = –2 dBFS

67.0

fIN = 2100 MHz, AOUT = –2 dBFS

64.0

fIN = 2700 MHz, AOUT = –2 dBFS

58.0

fIN = 3500 MHz, AOUT

(3) = –3 dBFS with 2-dB gain

62.0

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