AD7816AR Analog Devices Inc, AD7816AR Datasheet - Page 3

• Manufacturer Part Number: AD7816AR
• Description: IC ADC 10BIT W/TEMP SNSR 8-SOIC
• Manufacturer: Analog Devices Inc

Specifications of AD7816AR

• Rohs Status: RoHS non-compliant
• 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: 8-SOIC (3.9mm Width)
• For Use With: EVAL-AD7816/7/8EB - BOARD EVALUATION FOR AD7816/7/8

AD7816/AD7818
Parameter
DYNAMIC PERFORMANCE (AD7818 Only)
DC ACCURACY (AD7818 Only)
TEMPERATURE SENSOR
ON-CHIP REFERENCE
CONVERSION RATE
POWER REQUIREMENTS
REV. C
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
Offset Error
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
Ambient Temperature 25°C
T
Ambient Temperature 25°C
T
Temperature Sensor
Channel 1
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
DD
DD
3, 4
= 5 V)
= 3 V)
5
(AD7816 Only)
2
3
1
2
2
3
4
2
6
–SPECIFICATIONS
2
2
10
A Version
57
–65
–67
–67
–67
–80
10
1/4
2.625
2.375
50
10
30
400
27
9
5.5
2.7
2
1.75
10.75
4.5
6.4
48.8
434
13.5
1
1
10
4
2
3
2
3
–3–
Unit
dB min
dB max
dB typ
dB typ
dB typ
dB typ
Bits
Bits
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
1
(V
otherwise noted)
DD
= 2.7 V to 5.5 V, GND = 0 V, REF
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 V
On-Chip Reference
2.5 V + 5%
2.5 V – 5%
Nominal 2.5 V
Source Impedance < 10 Ω
(AD7818 Only)
For Specified Performance
Logic Inputs = 0 V or V
1.3 mA typ
2.5 V External Reference Connected
6 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
IN
DD
= 20 kHz
= 20 kHz
= 3 V
AD7816/AD7817/AD7818
REF
DD
= 2.5 V
IN
= 2.5 V unless