ADT7518ARQ-REEL Analog Devices Inc, ADT7518ARQ-REEL Datasheet - Page 15

• Manufacturer Part Number: ADT7518ARQ-REEL
• Description: IC SENSOR TEMP W/ADC/DAC 16QSOP
• Manufacturer: Analog Devices Inc

Specifications of ADT7518ARQ-REEL

• Rohs Status: RoHS non-compliant
• Function: Temp Monitoring System (Sensor)
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 120°C, External Sensor
• Output Type: I²C™, MICROWIRE™, QSPI™, SPI™
• Output Alarm: No
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 120°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP

–0.5
–1.0
–1
–2
–3
–4
1.5
1.0
0.5
–1
–2
–3
3
2
1
0
Figure 29. ADC Offset Error and Gain Error vs. Temperature
3
2
1
0
–40
0
2.7
Figure 28. Internal Temperature Error @ 3.3 V and 5 V
V
Figure 30. ADC Offset Error and Gain Error vs. V
DD
–30
EXTERNAL TEMPERATURE @ 5V
= 3.3V
–20
3.1
INTERNAL TEMPERATURE @ 5V
INTERNAL TEMPERATURE @ 3.3V
0
3.5
0
20
TEMPERATURE ( ° C)
TEMPERATURE (°C)
3.9
OFFSET ERROR
EXTERNAL TEMPERATURE @ 3.3V
V
40
40
DD
4.3
(V)
OFFSET ERROR
60
GAIN ERROR
GAIN ERROR
4.7
85
80
5.1
100
DD
120
5.5
120
Rev. A | Page 15 of 40
Figure 32. External Temperature Error vs. Capacitance between D+ and D–
Figure 33. External Temperature Error vs. Common-Mode Noise Frequency
Figure 31. External Temperature Error vs. PCB Leakage Resistance
–10
–15
–20
–25
–10
–20
–30
–40
–50
–60
10
–2
–4
–6
15
10
–5
8
6
4
2
0
5
0
0
1
0
0
V
COMMON-MODE
VOLTAGE = 100mV
DD
10
D+ TO V
5
= 3.3V
D+ TO GND
100
20
10
PCB LEAKAGE RESISTANCE (MΩ)
CC
30
15
200
NOISE FREQUENCY (Hz)
CAPACITANCE (nF)
40
20
300
50
25
30
60
V
TEMPERATURE = 25°C
400
DD
35
70
= 3.3V
V
40
80
DD
500
= 3.3V
ADT7518
45
90
100
600
50