AMC7812B Datasheet, PDF (62/92 Pages) TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS – 12-Bit Analog Monitoring and Control Solution with Multichannel ADC, DACs, and Temperature Sensors

AMC7812B
SBAS625A – SEPTEMBER 2013 – REVISED SEPTEMBER 2013
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Temperature Conversion Rate Register (Read or Write, Address = 0Bh)
When using the SPI, the following bit configuration must be used; default = 0007h.
MSB
BIT 15 BIT 14 BIT 13 BIT 12 BIT 11 BIT 10
0
0
0
0
0
0
BIT 9
0
BIT 8
0
BIT 7
0
BIT 6
0
BIT 5
0
BIT 4
0
BIT 3
0
BIT 2
R2
BIT 1
R1
LSB
BIT 0
R0
When using the I²C interface, the following bit configuration must be used; default = 07FFh.
MSB
BIT 15 BIT 14 BIT 13 BIT 12 BIT 11 BIT 10
0
0
0
0
0
R2
BIT 9
R1
BIT 8
R0
BIT 7
1
BIT 6
1
BIT 5
1
BIT 4
1
BIT 3
1
BIT 2
1
BIT 1
1
LSB
BIT 0
1
Bit descriptions for this register are shown in Table 12.
Table 12. Temperature Conversion Time
R2
R1
R0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
CONVERSION TIME
128x minimum
64x minimum
32x minimum
16x minimum
8x minimum
4x minimum
2x minimum
Minimum cycle time
Table 13. Temperature Monitoring Cycle Time
TEMPERATURE SENSOR STATUS
Local sensor is active, remote sensors are disabled or in power-down.
One remote sensor is active and RC is '0', local sensor and one remote sensor are disabled or in power-down.
One remote sensor is active and RC is '1', local sensor and one remote sensor are disabled or in power-down.
One remote sensor and local sensor are active and RC is '0', one remote sensor is disabled or in power-down.
One remote sensor and local sensor are active and RC is '1', one remote sensor is disabled or in power-down.
Two remote sensors are active and RC is '0', local sensor is disabled or in power-down.
Two remote sensors are active and RC is '1', local sensor is disabled or in power-down.
All sensors are active and RC is '0'.
All sensors are active and RC is '1'.
MONITORING
CYCLE TIME (ms)
15
44
93
59
108
88
186
103
201
62
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