Datasheet

ADS8363
ADS7263
ADS7223
www.ti.com SBAS523B –OCTOBER 2010–REVISED JANUARY 2011
ELECTRICAL CHARACTERISTICS: ADS8363
All minimum/maximum specifications at T
A
= –40°C to +125°C, specified supply voltage range, VREF = 2.5V (int), and t
DATA
=
1MSPS, unless otherwise noted. Typical values are at T
A
= +25°C, AVDD = 5V, and DVDD = 3.3V.
ADS8363
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
RESOLUTION 16 Bits
DC ACCURACY
Half-clock mode –3 ±1.2 +3 LSB
INL Integral nonlinearity
Full-clock mode –4 ±1.5 +4 LSB
Half-clock mode –0.99 ±0.6 +2 LSB
DNL Differential nonlinearity
Full-clock mode –1.5 ±0.8 +3 LSB
V
OS
Input offset error –2 ±0.2 +2 mV
V
OS
match ADC to ADC –1 ±0.1 +1 mV
dV
OS
/dT Input offset thermal drift 1 mV/°C
Referenced to the voltage at
G
ERR
Gain error –0.1 ±0.01 +0.1 %
REFIOx
G
ERR
match ADC to ADC –0.1 ±0.005 +0.1 %
Referenced to the voltage at
G
ERR
/dT Gain error thermal drift 1 ppm/°C
REFIOx
CMRR Common-mode rejection ratio Both ADCs, dc to 100kHz 92 dB
AC ACCURACY
SINAD Signal-to-noise + distortion V
IN
= 5V
PP
at 10kHz 89 92 dB
SNR Signal-to-noise ratio V
IN
= 5V
PP
at 10kHz 90 93 dB
THD Total harmonic distortion V
IN
= 5V
PP
at 10kHz –98 –90 dB
SFDR Spurious-free dynamic range V
IN
= 5V
PP
at 10kHz 90 100 dB
ELECTRICAL CHARACTERISTICS: ADS7263
All minimum/maximum specifications at T
A
= –40°C to +125°C, specified supply voltage range, VREF = 2.5V (int), and t
DATA
=
1MSPS, unless otherwise noted. Typical values are at T
A
= +25°C, AVDD = 5V, and DVDD = 3.3V.
ADS7263
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
RESOLUTION 14 Bits
DC ACCURACY
INL Integral nonlinearity –1 ±0.4 +1 LSB
DNL Differential nonlinearity –0.5 ±0.2 +1 LSB
V
OS
Input offset error –2 ±0.2 +2 mV
V
OS
match ADC to ADC –1 ±0.1 +1 mV
dV
OS
/dT Input offset thermal drift 1 mV/°C
Referenced to the voltage at
G
ERR
Gain error –0.1 ±0.01 +0.1 %
REFIOx
G
ERR
match ADC to ADC –0.1 ±0.005 +0.1 %
Referenced to the voltage at
G
ERR
/dT Gain error thermal drift 1 ppm/°C
REFIOx
CMRR Common-mode rejection ratio Both ADCs, dc to 100kHz 92 dB
AC ACCURACY
SINAD Signal-to-noise + distortion V
IN
= 5V
PP
at 10kHz 82 84 dB
SNR Signal-to-noise ratio V
IN
= 5V
PP
at 10kHz 84 85 dB
THD Total harmonic distortion V
IN
= 5V
PP
at 10kHz –92 –88 dB
SFDR Spurious-free dynamic range V
IN
= 5V
PP
at 10kHz 88 92 dB
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