AM6548, AM6528, AM6526
ZHCSLA7B –DECEMBER 2019 –REVISED JUNE 2021
www.ti.com.cn
7.6.3 Analog ADC DC Electrical Characteristics
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
BALL NAMES in Mode 0: MCU_ADC0_AIN[7:0] / MCU_ADC0_REFP/N / MCU_ADC1_AIN[7:0] / MCU_ADC1_REFP/N
BALL NUMBERS: F4 / F5 / G3 / G4 / G5 / G6 / H2 / H3 / H4 / H5 / J1 / J2 / J3 / J4 / J5 / J6 / K2 / K3 / K4 / K5
Analog Input
VMCU_ADC0/1_REFP
MCU_ADC0/1_REFP
(0.5 ×
VDDA_ADC_MCU) +
0.25
VDDA_ADC_MCU
V
V
V
VMCU_ADC0/1_REFN
MCU_ADC0/1_REFN
0
(0.5 ×
VDDA_ADC_MCU) -
0.25
VMCU_ADC0/1_REFP +
MCU_ADC0/1_REFP
+MCU_ADC0/1_REFN
VDDA_ADC_MCU
MCU_ADC0/1_REFN
VMCU_ADC0/1_AIN[7:0]
DNL
Full-scale Input Range
Differential Non-Linearity
MCU_ADC0/1_REFN
-1
MCU_ADC0/1_REFP
4
V
MCU_ADC0/1_REFP =
VDDA_MCU_ADC0/1,
MCU_ADC0/1_REFN = VSS
0.5
±1
±2
±2
LSB
INL
Integral Non-Linearity
Gain Error
MCU_ADC0/1_REFP =
VDDA_MCU_ADC0/1,
MCU_ADC0/1_REFN = VSS
±4
LSB
LSB
LSB
LSBGAIN-ERROR
MCU_ADC0/1_REFP =
VDDA_MCU_ADC0/1,
MCU_ADC0/1_REFN = VSS
LSBOFFSET-ERROR
Offset Error
MCU_ADC0/1_REFP =
VDDA_MCU_ADC0/1,
MCU_ADC0/1_REFN = VSS
CIN
Input Sampling Capacitance
Signal-to-Noise Ratio
5.5
70
pF
dB
SNR
Input Signal: 200 kHz sine wave
at -0.5 dB Full Scale,
MCU_ADC0/1_REFP =
VDDA_MCU_ADC0/1,
MCU_ADC0/1_REFN = VSS
THD
Total Harmonic Distortion
Input Signal: 200 kHz sine wave
at -0.5 dB Full Scale,
75
dB
MCU_ADC0/1_REFP =
VDDA_MCU_ADC0/1,
MCU_ADC0/1_REFN = VSS
Copyright © 2021 Texas Instruments Incorporated
134
Submit Document Feedback
Product Folder Links: AM6548 AM6528 AM6526
TI [ TEXAS INSTRUMENTS ]
