Figure 81. Adc1 Connectivity - ST STM32G4 Series Reference Manual

Analog-to-digital converters (ADC)
20.4.4 ADC1/2/3/4/5 connectivity
ADC1, ADC2, ADC3, ADC4 and ADC5 are tightly coupled and share some external
channels as described in the below figures.
ADC12_INP1
ADC12_INN1
ADC12_INP2
ADC1_INN2
ADC1_INP3
ADC1_INN3
ADC1_INP4
ADC1_INN4
ADC1_INP5
ADC12_INN5
ADC12_INP6
ADC12_INN6
ADC12_INP7
ADC12_INN7
ADC12_INP8
ADC12_INN8
ADC12_INP9
ADC1_INN9
ADC1_INP10
ADC1_INN10
ADC1_INP11
ADC1_INN11
ADC1_INP12
ADC12_INP14
ADC1_INN14
ADC1_INP15
568/3748

Figure 81. ADC1 connectivity

V
SSA
V
SSA
V
V
SSA
OPAMP1
internal
output
Reserved
V
SSA
V
TS
V
SSA
V /3
BAT
V
SSA
V
REFINT
V
SSA
RM0440 Rev 1
ADC1
Channel selection
V [0]
INP
V [0] Fast channel
INN
V [1]
INP
V [1] Fast channel
INN
V [2]
INP
V [2] Fast channel
INN
V [3]
INP
V [3] Fast channel
INN
V [4]
INP
V [4] Fast channel
INN
V [5]
INP
V [5] Fast channel
INN
V [6]
INP
V [6] Slow channel
INN
V [7]
INP
V [7] Slow channel
INN
V [8]
INP
V [8] Slow channel
INN
V [9]
INP
V [9] Slow channel
INN
V [10]
INP
V [10] Slow channel
INN
V [11]
INP
V [11] Slow channel
INN
V [12]
INP
V [12] Slow channel
INN
V [13]
INP
V [13] Slow channel
INN
V [14]
INP
V [14]
Slow channel
INN
V [15]
INP
V [15] Slow channel
INN
V [16]
INP
V [16] Slow channel
INN
V [17]
INP
V [17] Slow channel
INN
V [18]
INP
V [18] Slow channel
INN
RM0440
V
REF+
V
INP
SAR
ADC1
V
INN
V
REF-
MSv46145V5