AD7151BRMZ Analog Devices Inc, AD7151BRMZ Datasheet - Page 8

• 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
Figure 11. Capacitance Input Gain Error vs. Resistance EXC to GND,
–0.25
–0.50
0.50
0.25
Figure 10. Capacitance Input Offset Error vs. Resistance EXC to GND,
–10
Figure 12. Capacitance Input Gain Error vs. Serial Resistance
–1
–2
10
–5
2
1
0
5
0
0
0
0
0
50
2
2
V
V
V
DD
DD
RESISTANCE EXC TO GND (MΩ)
RESISTANCE EXC TO GND (MΩ)
DD
= 3.3 V, CIN to EXC = 2 pF
= 3.3 V, CIN to EXC = 2 pF
SERIAL RESISTANCE (kΩ)
= 3.3 V, CIN Pin Open Circuit
100
4
4
150
6
6
200
8
8
250
10
10
Rev. 0 | Page 8 of 28
–0.1
–0.2
–0.2
–10
Figure 13. Capacitance Input Gain Error vs. Parallel Resistance,
0.2
0.1
10
–5
–2
–4
5
0
4
2
0
Figure 14. Capacitance Input Offset Error vs. Temperature,
0
–50
–50
Figure 15. Capacitance Input Gain Error vs. Temperature,
1
V
DD
–25
–25
= 3.3 V, CIN and EXC Pins Open Circuit
V
V
DD
DD
PARALLEL RESISTANCE (MΩ)
= 3.3 V, CIN to EXC = 2 pF
= 3.3 V, CIN to EXC = 2 pF
10
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
100
50
50
75
75
1000
100
100