参数资料
型号: ADT7476ARQZ-REEL7
厂商: ANALOG DEVICES INC
元件分类: 温度/湿度传感器
英文描述: DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 2.50Cel, RECTANGULAR, SURFACE MOUNT
封装: ROHS COMPLIANT, MO-137AE, QSOP-24
文件页数: 45/72页
文件大小: 5219K
代理商: ADT7476ARQZ-REEL7
ADT7476
Rev. B | Page 5 of 72
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
Input Low Voltage, VIL
0.8
V
0.3
V
Minimum input voltage
Hysteresis
0.5
V p-p
DIGITAL INPUT LOGIC LEVELS (THERM) ADTL+
Input High Voltage, VIH
0.75 × VCC
V
Input Low Voltage, VIL
0.4
V
DIGITAL INPUT CURRENT
Input High Current, IIH
±1
μA
VIN = VCC
Input Low Current, IIL
±1
μA
VIN = 0
Input Capacitance, CIN
5
pF
SERIAL BUS TIMING2
Clock Frequency, fSCLK
10
400
kHz
Glitch Immunity, tSW
50
ns
Bus Free Time, tBUF
4.7
μs
SCL Low Time, tLOW
4.7
μs
SCL High Time, tHIGH
4.0
50
μs
SCL, SDA Rise Time, tr
1000
ns
SCL, SDA Fall Time, tf
300
μs
Data Setup Time, tSU;DAT
250
ns
Detect Clock Low Timeout, tTIMEOUT
15
35
ms
Can be disabled
1 All voltages are measured with respect to GND, unless otherwise specified. Typical voltages are TA = 25°C and represent a most likely parametric norm. Logic inputs
accept input high voltages up to VMAX, even when the device is operating down to VMIN. Timing specifications are tested at logic levels of VIL = 0.8 V for a falling edge,
and VIH = 2.0 V for a rising edge.
2 SMBus timing specifications are guaranteed by design and are not production tested.
TIMING DIAGRAM
SCL
SDA
PS
SP
tBUF
tHD; STA
tHD; DAT
tSU; DAT
tF
tR
tLOW
tSU; STA
tHIGH
tHD; STA
tSU; STO
05382-002
Figure 2. Serial Bus Timing Diagram
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