ADC3221 Datasheet, PDF (15/77 Pages) Texas Instruments – Dual Channel

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ADC3221, ADC3222, ADC3223, ADC3224
SBAS672B – JULY 2014 – REVISED MARCH 2016
7.11 AC Performance: ADC3224
typical values are over the operating free-air temperature range, at T_A = 25°C, full temperature range is T_MIN = –40°C to T_MAX
= 85°C, ADC sampling rate = 125 MSPS, 50% clock duty cycle, AVDD = DVDD = 1.8 V, and –1-dBFS differential input
(unless otherwise noted)
ADC3224 (f_S = 125 MSPS)
DITHER ON
DITHER OFF
PARAMETER
TEST CONDITIONS
MIN TYP MAX MIN TYP MAX UNIT
DYNAMIC AC CHARACTERISTICS
SNR
Signal-to-noise ratio
(from 1-MHz offset)
Signal-to-noise ratio
(full Nyquist band)
NSD ⁽¹⁾
Noise spectral density
(averaged across Nyquist zone)
SINAD⁽¹⁾ Signal-to-noise and distortion ratio
ENOB⁽¹⁾ Effective number of bits
SFDR
Spurious-free dynamic range
f_IN = 10 MHz
f_IN = 70 MHz
f_IN = 100 MHz
f_IN = 170 MHz
f_IN = 230 MHz
f_IN = 10 MHz
f_IN = 70 MHz
f_IN = 100 MHz
f_IN = 170 MHz
f_IN = 230 MHz
f_IN = 10 MHz
f_IN = 70 MHz
f_IN = 100 MHz
f_IN = 170 MHz
f_IN = 230 MHz
f_IN = 10 MHz
f_IN = 70 MHz
f_IN = 100 MHz
f_IN = 170 MHz
f_IN = 230 MHz
f_IN = 10 MHz
f_IN = 70 MHz
f_IN = 100 MHz
f_IN = 170 MHz
f_IN = 230 MHz
f_IN = 10 MHz
f_IN = 70 MHz
f_IN = 100 MHz
f_IN = 170 MHz
f_IN = 230 MHz
70.5
68.5 70.4
70.3
69.9
69.4
70.3
70.2
70.2
69.7
69.2
–148.5
–148.4 –146.5
–148.3
–147.9
–147.4
70.5
68 70.4
70.2
69.7
69.2
11.4
11 11.4
11.4
11.3
11.2
93
82
95
89
86
83
70.8
70.7
70.6
70.2
69.8
70.6
70.5
70.4
70.0
69.6
–148.8
–148.7
–148.6
–148.2
–147.8
70.6
70.6
70.3
69.9
69.5
11.4
11.4
11.4
11.3
11.2
87
89
86
85
83
dBFS
dBFS/Hz
dBFS
Bits
dBc
(1) Reported from a 1-MHz offset.
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