AD7817BRUZ Analog Devices Inc, AD7817BRUZ Datasheet - Page 2

• Manufacturer Part Number: AD7817BRUZ
• Description: 14 CH. ADC W/ON-CHIP TEMP SENSOR I.C.
• Manufacturer: Analog Devices Inc

Specifications of AD7817BRUZ

• Function: Temp Monitoring System (Sensor)
• Topology: ADC, Multiplexer, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 85°C
• Output Type: MICROWIRE™, QSPI™, SPI™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7816/7/8EB - BOARD EVALUATION FOR AD7816/7/8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7816/AD7817/AD7818
AD7817–SPECIFICATIONS
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
TEMPERATURE SENSOR
ON-CHIP REFERENCE
CONVERSION RATE
POWER REQUIREMENTS
REFERENCE INPUT
Signal to (Noise + Distortion) Ratio
Total Harmonic Distortion
Peak Harmonic or Spurious Noise
Intermodulation Distortion
Channel-to-Channel Isolation
Resolution
Minimum Resolution for Which
Relative Accuracy
Differential Nonlinearity
Gain Error
Gain Error Match
Offset Error
Offset Error Match
Measurement Error
Measurement Error
Temperature Resolution
REF
Input Impedance
Input Capacitance
Temperature Coefficient
Track/Hold Acquisition Time
Conversion Time
V
I
Auto Power-Down Mode
Power-Down
DD
DD
Second Order Terms
Third Order Terms
No Missing Codes are Guaranteed 10
Ambient Temperature 25°C
T
Ambient Temperature 25°C
T
Temperature Sensor
Channels 1 to 4
Normal Operation
Using External Reference
Power-Down (V
Power-Down (V
10 SPS Throughput Rate
1 kSPS Throughput Rate
10 kSPS Throughput Rate
MIN
MIN
IN
Input Voltage Range
to T
to T
2
2
MAX
MAX
2
2
DD
DD
3, 4
= 5 V)
= 3 V)
5
3
2
1
2
2
3
4
2
2
2
A Version *B Version *S Version Unit
58
–65
–65
–67
–67
–80
10
1/4
2.625
2.375
40
10
80
400
27
9
5.5
2.7
2
1.75
10
4
6.4
48.8
434
12
1
1
2
10
1/2
2
1/2
2
3
2.25
3
1
(V
58
–65
–65
–67
–67
–80
10
10
2.625
2.375
40
10
80
400
27
9
5.5
2.7
2
1.75
10
4
6.4
48.8
434
12
1/4
DD
1
1
2
10
1/2
2
1/2
1
2
2.25
3
= 2.7 V to 5.5 V, GND = 0 V, REF
–2–
–65
–65
–80
10
2.625
2.375
40
150
400
5.5
2.7
1.75
13.5
58
–67
–67
10
+20/–10
1/4
10
27
9
2
12.5
4.5
6.4
48.8
434
1
1
2
1/2
2
1/2
2
3
2.25
6
dB min
dB max
dB max
dB typ
dB typ
dB typ
Bits
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
°C max
°C max
°C max
°C max
°C/LSB
V max
V min
kΩ min
pF max
ppm/°C typ
ns max
µs max
µs max
V max
V min
mA max
mA max
µA max
µA max
µW typ
µW typ
µW typ
µW max
IN
= 2.5 V unless otherwise noted)
Test Conditions/Comments
Sample Rate = 100 kSPS, Any
Channel, f
–75 dB typ
–75 dB typ
fa =19.9 kHz, fb = 20.1 kHz
f
Any Channel
External Reference
Internal Reference
External Reference V
On-Chip Reference
2.5 V + 5%
2.5 V – 5%
Nominal 2.5 V
Source Impedance < 10 Ω
For Specified Performance
Logic Inputs = 0 V or V
1.6 mA typ
2.5 V External Reference Connected
5.5 µA typ
2 µA typ
V
See Power vs. Throughput Section for
Description of Power Dissipation in
Auto Power-Down Mode
Typically 6 µW
IN
DD
= 20 kHz
= 3 V
IN
= 20 kHz
REF
DD
= 2.5 V
REV. C