48.6.2 Analog-to-Digital (ADC) Characteristics

Table 48-7. Differential Mode (1)
Symbol Parameter Conditions Measurement Unit
Min. Typ. Max.
ENOB Effective Number of bits R2R Disabled VDDANA = 5.0V, VREF = VDDANA 9.7 10.6 11.3 bits
VDDANA = 2.7V, VREF = 2.0V 9.8 10.6 11.2
R2R Enabled VDDANA = 5.0V, VREF = VDDANA 9.7 11.1 11.8
TUE Total Unadjusted Error R2R disabled with offset and gain compensation

(REFCOMP = 1 and OFFCOMP = 1)

 VDDANA = 5.0V, VREF = VDDANA - +/-4.2 +/-7.1 LSB
VDDANA = 2.7V, VREF = 2.0V - +/-4.8 +/-8.3
INL Integral Non Linearity R2R disabled VDDANA = 5.0V, VREF = VDDANA - +/-1.5 +/-4 LSB
VDDANA = 2.7V, VREF = 2.0V - +/-3.2 +/-4.1
DNL Differential Non Linearity R2R disabled VDDANA = 5.0V, VREF = VDDANA - -0.8/+1.1 -1/+2.0 LSB
VDDANA = 2.7V, VREF = 2.0V - -0.9/+1.3 -1/+2.2
GE Gain Error R2R disabled w/o gain compensation VDDANA = 5.0V, VREF = VDDANA - +/-0.8 +/-1.8 %
VDDANA = 2.7V, VREF = 2.0V - +/-0.9 +/-3.2
VDDANA = 5.0V, 1V internal Ref - +/-1.9 +/-7.3
VDDANA = 5.0V, VREF = VDDANA/2 - +/-0.1 +/-1.3
R2R disabled with gain compensation VDDANA = 2.7V, VREF = 2.0V - +/-0.1 +/-0.5
VDDANA = 5.0V, VREF = VDDANA/2 - +/-0.2 +/-0.7
OE Offset Error R2R disabled without offset compensation VDDANA = 5.0V, VREF = VDDANA/2 - +/-0.2 +/-25 mV
VDDANA = 2.7V, VREF = 2.0V - +/-1.4 +/-17
R2R disabled with offset compensation VDDANA = 5.0V, VREF = VDDANA/2 - +/-2 +/-10
VDDANA = 2.7V, VREF = 2.0V - +/-0.2 +/-11
SFDR Spurious Free Dynamic Range Fs = 1Msps/Fin = 14 kHz/Full range Input signal VDDANA = 5.0V, VREF = VDDANA 63 75 81 dB
SINAD Signal to Noise and Distortion ratio 60 67 70
SNR Signal to Noise ratio 64 68 70
THD Total Harmonic Distortion -81 -74 -63
Noise RMS External Reference voltage - 0.5 3.3 mV
Note:
  1. These values are based on characterization. These values are not covered by test limits in production.
Table 48-8. Single Ended Mode (1)
Symbol Parameter Conditions Measurement Unit
Min Typ Max
ENOB Effective Number of bits R2R disabled VDDANA = 3.0V, VREF = VDDANA 8.9 9.7 10.0 bits
VDDANA = 3.0V, VREF = 2.0V 8.9 9.2 9.7
TUE Total Unadjusted Error R2R disabled with offset and gain compensation

(REFCOMP = 1 and OFFCOMP = 1)

 VDDANA = 5.0V, VREF = VDDANA - 18 +/-28 LSB
VDDANA = 2.7V, VREF = 2.0V - 30 +/-57
INL Integral Non Linearity R2R disabled VDDANA = 5.0V, VREF = VDDANA - +/-2.2 +/-7.5 LSB
VDDANA = 2.7V, VREF = 2.0V - +/-4.1 +/-7.1
DNL Differential Non Linearity R2R disabled VDDANA = 5.0V, VREF = VDDANA - -0.8/+1 -1/+1.9
VDDANA = 2.7V, VREF = 2.0V - -1/+1.1 -1/+2.5
GE Gain Error R2R disabled w/o gain compensation VDDANA = 5.0V, VREF = VDDANA - +/-0.4 +/-1.1 %
VDDANA = 2.7V, VREF = 2.0V - +/-0.7 +/-1.9
VDDANA = 5.0V, 1V internal Ref - +/-1.6 +/-7.4
VDDANA = 5.0V, VREF = VDDANA/2 - +/-0.2 +/-1.4
R2R disabled with gain compensation VDDANA = 2.7V, VREF = 2.0V - +/-0.3 +/-0.9
VDDANA = 5.0V, VREF = VDDANA/2 - +/-0.1 +/-1.4
OE Offset Error R2R disabled VDDANA = 5.0V, VREF = VDDANA - +/-31 +/-76 mV
VDDANA = 2.7V, VREF = 2.0V - +/-2.2 +/-64
SFDR Spurious Free Dynamic Range Fs = 1Msps/Fin = 14 kHz/Full range Input signal VDDANA = 5.0V, VREF = VDDANA 57 71 73 dB
SINAD Signal to Noise and Distortion ratio 54 60 62
SNR Signal to Noise ratio 57 61 62
THD Total Harmonic Distortion -71 -70 -56
Noise RMS External Reference voltage - 0.7 2 mV
Note:
  1. These values are based on characterization. These values are not covered by test limits in production.
Table 48-9. Power Consumption (1)
Symbol Parameters Conditions Ta Typ. Max Units
IDD VDDANA Differential mode fs = 1Msps / Reference buffer disabled / BIASREFBUF = '110', BIASREFCOMP = '111' VDDANA = VREF = 5.5V Max 125°C Typ 25°C 905 1162 uA
fs = 1Msps / Reference buffer enabled / BIASREFBUF = '110', BIASREFCOMP = '111' VDDANA = VREF = 5.5V 1144 1507
fs = 10 ksps / Reference buffer disabled / BIASREFBUF = '110', BIASREFCOMP = '111', VDDANA = VREF = 5.5V 381 555
fs = 10 ksps / Reference buffer enabled / BIASREFBUF = '110', BIASREFCOMP = '111', VDDANA = VREF = 5.5V 609 952
Single Ended mode fs = 1Msps / Reference buffer disabled / BIASREFBUF = '110', BIASREFCOMP = '111', VDDANA = VREF = 5.5V Max 125°C Typ 25°C 984 1183 uA
fs = 1Msps / Reference buffer enabled / BIASREFBUF = '110', BIASREFCOMP = '111', VDDANA = VREF = 5.5V 1178 1548
fs = 10 ksps / Reference buffer disabled / BIASREFBUF = '110', BIASREFCOMP = '111', VDDANA = VREF = 5.5V 437 629
fs = 10 ksps / Reference buffer enabled / BIASREFBUF = '110', BIASREFCOMP = '111', VDDANA = VREF = 5.5V 635 983
Note:
  1. These values are based on characterization.