ADT7483AARQZ-RL データシートの表示（PDF） - ON Semiconductor
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ADT7483AARQZ-RL Datasheet PDF : 24 Pages
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ADT7483A
SPECIFICATIONS
TA = −40°C to +125°C, VDD = 3 V to 3.6 V, unless otherwise noted.
Table 1.
Parameter
Min Typ Max Unit Test Conditions
POWER SUPPLY
Supply Voltage, VDD
Average Operating Supply Current, IDD
3.0 3.30 3.6 V
240 350 μA
5 30 μA
0.0625 conversions/sec rate1
Standby mode
Undervoltage Lockout Threshold
Power-On-Reset Threshold
2.55
V
VDD input, disables ADC, rising edge
1
2.5 V
TEMPERATURE-TO-DIGITAL CONVERTER2
Local Sensor Accuracy
±1 °C
±1.5 °C
0°C ≤ TA ≤ 70°C
0°C ≤ TA ≤ 85°C
Resolution
±2.5 °C −40 ≤ TA ≤ 100°C
1
°C
Remote Diode Sensor Accuracy
±1 °C
±1.5 °C
±2.5 °C
0°C ≤ TA ≤ 70°C, −55°C ≤ TD3 ≤ 150°C
0°C ≤ TA ≤ 85°C, −55°C ≤ TD3 ≤ 150°C
−40 ≤ TA ≤ 100°C, −55°C ≤ TD3 ≤ +150°C
Resolution
0.25
°C
Remote Sensor Source Current3
233
μA High level
14
μA Low level
Conversion Time
73 94 ms From stop bit to conversion complete (all channels),
one-shot mode with averaging switched on
11 14 ms One-shot mode with averaging off,
(conversion rate = 16, 32, or 64 conversions/sec)
OPEN-DRAIN DIGITAL OUTPUTS (THERM, ALERT/THERM2)
Output Low Voltage, VOL
0.4 V
IOUT = −6.0 mA
High Level Output Leakage Current, IOH
SMBus INTERFACE3, 4
0.1 1
μA VOUT = VDD
Logic Input High Voltage, VIH, SCLK, SDATA
Logic Input Low Voltage, VIL, SCLK, SDATA
2.1
V
0.8 V
Hysteresis
500
mV
SDA Output Low Voltage, VOL
Logic Input Current, IIH, IIL
0.4 V
IOUT = −6.0 mA
−1
+1 μA
SMBus Input Capacitance, SCLK, SDATA
5
pF
SMBus Clock Frequency
400 kHz
SMBus Timeout5
25 32 ms User programmable
SCLK Falling Edge to SDATA Valid Time
1 μs Master clocking in data
1 See Table 11 for information on other conversion rates.
2 Temperature accuracy guaranteed with averaging enabled.
3 Guaranteed by design, but not production tested.
4 See the SMBus Timing Specifications section for more information.
5 Disabled by default. Instructions to enable it are in the Serial Bus Interface section.
Rev. 1 | Page 3 of 24 | www.onsemi.com
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