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LTC4245_15 Datasheet, PDF (33/36 Pages) Linear Technology – Multiple Supply Hot Swap Controller with I2C Compatible Monitoring
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LTC4245
APPLICATIO S I FOR ATIO
Table 14. ADCADR Register H (07h) – Read/Write
BIT
NAME
OPERATION
H7:4
Reserved
Not Used
H3:0
ADC Channel Address
Selects Which ADC Channel to Measure On-Demand
H3 H2 H1 H0 ADC CHANNEL
00
0
0 12VIN Voltage (Default)
00
0
1 12V Current Sense Voltage
00
1
0 12VOUT Voltage
00
1
1 5VIN Voltage
01
0
0 5V Current Sense Voltage
01
0
1 5VOUT Voltage
01
1
0 3VIN Voltage
01
1
1 3.3V Current Sense Voltage
10
0
0 3VOUT Voltage
10
0
1 VEEIN Voltage
10
1
0 –12V Current Sense Voltage
10
1
1 VEEOUT Voltage
1
1
X
X GPIO Voltage
Table 15. ADC Data Registers I to U (10h to 1Fh) – Read/Write
BIT
NAME
OPERATION
I7:0
J7:0
K7:0
L7:0
M7:0
N7:0
O7:0
P7:0
Q7:0
R7:0
S7:0
T7:0
U7:0
12VIN Voltage Data
12VSENSE Voltage Data
12VOUT Voltage Data
5VIN Voltage Data
5VSENSE Voltage Data
5VOUT Voltage Data
3VIN Voltage Data
3VSENSE Voltage Data
3VOUT Voltage Data
VEEIN Voltage Data
VEESENSE Voltage Data
VEEOUT Voltage Data
GPIO Voltage Data
12VIN Pin Voltage Data. 8-Bit Data with 55mV LSB and 14.025V Full Scale
12VIN to 12VSENSE Current Sense Voltage Data. 8-Bit Data with 250µV LSB and 63.75mV Full Scale
12VOUT Pin Voltage Data. 8-Bit Data with 55mV LSB and 14.025V Full Scale
5VIN Pin Voltage Data. 8-Bit Data with 22mV (or 15mV) LSB and 5.61V (or 3.825V) Full Scale
5VIN to 5VSENSE Current Sense Voltage Data. 8-Bit Data with 125µV LSB and 31.875mV Full Scale
5VOUT Pin Voltage Data. 8-Bit Data with 22mV (or 15mV) LSB and 5.61V (or 3.825V) Full Scale
3VIN Pin Voltage Data. 8-Bit Data with 15mV LSB and 3.825V Full Scale
3VIN to 3VSENSE Current Sense Voltage Data. 8-Bit Data with 125µV LSB and 31.875mV Full Scale
3VOUT Pin Voltage Data. 8-Bit Data with 15mV LSB and 3.825V Full Scale
VEEIN Pin Voltage Data. 8-Bit Data with –55mV LSB and –14.025V Full Scale
VEESENSE to VEEIN Current Sense Voltage Data. 8-Bit Data with 250µV LSB and 63.75mV Full Scale
VEEOUT Pin Voltage Data. 8-Bit Data with –55mV LSB and –14.025V Full Scale
GPIOn Pin Voltage Data. 8-Bit Data with 10mV LSB and 2.55V Full Scale
4245fa
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