AD7151BRMZ Analog Devices Inc, AD7151BRMZ Datasheet - Page 14

• Manufacturer Part Number: AD7151BRMZ
• Description: IC CAP CONV 1CH ULT LP 10MSOP
• Manufacturer: Analog Devices Inc
• Type: Capacitance-to-Digital Converterr

Specifications of AD7151BRMZ

• Input Type: Voltage
• Output Type: Digital
• Interface: 2-Wire Serial
• Current - Supply: 120µA
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Resolution (bits): 12bit
• Sampling Rate: 100SPS
• Input Channel Type: Single Ended
• Data Interface: 2-Wire, I2C, Serial
• Supply Voltage Range - Analog: 2.7V To 3.6V
• Supply Current: 70µA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7151
REGISTER DESCRIPTIONS
Table 5. Register Summary
Register
Status
Data High
Data Low
–
–
Average High
Average Low
–
–
Sensitivity
Threshold High
Timeout
Threshold Low
Setup
–
–
–
Configuration
Power-Down Timer
CAPDAC
–
Serial Number 3
Serial Number 2
Serial Number 1
Serial Number 0
Chip ID
(Dec) (Hex) R/W
10
11
12
13
14
15
17
18
23
16
19
20
21
22
0
1
2
3
4
5
6
7
8
9
Pointer
0x0A R/W
0x0C R/W
0x0D R/W
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09 R/W
0x0B R/W
0x0E R/W
0x0F R/W
0x10 R/W
0x11 R/W
0x12 R/W
0x13
0x14
0x15
0x16
0x17
R
R
R
R
R
R
R
R
R
R
R
R
R
R
PwrDown
ThrFixed
DacEn
RngH
Bit 7
0
0
0
–
0
1
Sensitivity (in adaptive threshold mode)/Threshold High Byte (in fixed threshold mode)
Timeout (in adaptive threshold mode)/Threshold Low Byte (in fixed threshold mode)
DacAuto
ThrMD1
RngL
Bit 6
–
1
0
0
–
0
1
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ThrMD0
Bit 5
–
0
–
0
0
Serial Number – Byte 3 (MSB)
Serial Number – Byte 0 (LSB)
Chip Identification Code
Serial Number – Byte 2
Serial Number – Byte 1
DacStep
EnConv
Bit 4
Hyst
Default Value
1
0
1
Power-Down Timeout (6-bit value)
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x08
0x86
0x00
0x00
0x00
0x00
DacValue (6-bit value)
Bit 3
OUT
0
–
0
0x00
0x00
ThrSettling (4-bit value)
Bit 2
MD2
–
0
0
0x0B
Bit 1
MD1
–
1
0
Bit 0
MD0
RDY
1
1