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參數資料
| 型號： | ADT7518ARQZ |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 4/40頁 |
| 文件大小： | 891K |
| 描述： | IC SENSOR TEMP QD ADC/DAC 16QSOP |
| 標準包裝： | 98 |
| 功能： | 溫度監控系統（傳感器） |
| 傳感器類型： | 內部和外部 |
| 感應溫度： | -40°C ~ 120°C，外部傳感器 |
| 精確度： | ±3°C（最小值） |
| 拓撲： | ADC，比較器，多路復用器，寄存器庫 |
| 輸出類型： | I²C?，MICROWIRE?，QSPI?，SPI? |
| 輸出警報： | 無 |
| 輸出風扇： | 無 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 120°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SSOP（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 16-QSOP |
| 包裝： | 托盤 |
| 產品目錄頁面： | 798 (CN2011-ZH PDF) |
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ADT7518
Rev. A | Page 4 of 40
Parameter
1
Min
Typ
Max
Unit
Conditions/Comments
Scale Factor
8.97
mV/癈
0 V to V
REF
output. T
A
= 40癈 to +120癈.
17.58
mV/癈
0 V to 2 V
REF
output. T
A
= 40癈 to +120癈.
CONVERSION TIMES
Single channel mode.
Slow ADC
V
DD
/AIN
11.4
ms
Averaging (16 samples) on.
712
祍
Averaging off.
Internal Temperature
11.4
ms
Averaging (16 samples) on.
712
祍
Averaging off.
External Temperature
24.22
ms
Averaging (16 samples) on.
1.51
ms
Averaging off.
Fast ADC
VDD/AIN
712
祍
Averaging (16 samples) on.
44.5
祍
Averaging off.
Internal Temperature
2.14
ms
Averaging (16 samples) on.
134
祍
Averaging off.
External Temperature
14.25
ms
Averaging (16 samples) on.
890
祍
Averaging off.
ROUND ROBIN UPDATE RATE
5
Time to complete one measurement cycle
through all channels.
Slow ADC @ 25癈
Averaging On
79.8
ms
AIN1 and AIN2 are selected on Pins 7 and 8.
Averaging Off
4.99
ms
AIN1 and AIN2 are selected on Pins 7 and 8.
Averaging On
94.76
ms
D+ and D are selected on Pins 7 and 8.
Averaging Off
9.26
ms
D+ and D are selected on Pins 7 and 8.
Fast ADC @ 25癈
Averaging On
6.41
ms
AIN1 and AIN2 are selected on Pins 7 and 8.
Averaging Off
400.84
祍
AIN1 and AIN2 are selected on Pins 7 and 8.
Averaging On
21.77
ms
D+ and D are selected on Pins 7 and 8.
Averaging Off
3.07
ms
D+ and D are selected on Pins 7 and 8.
DAC EXTERNAL REFERENCE INPUT
4
VREF Input Range
1
VDD
V
Buffered reference.
V
REF
Input Impedance
>10
M&
Buffered reference and power-down mode.
Reference Feedthrough
90
dB
Frequency = 10 kHz.
Channel-to-Channel Isolation
75
dB
Frequency = 10 kHz.
ON-CHIP REFERENCE
Reference Voltage
4
2.25
V
Temperature Coefficient
4
80
ppm/癈
OUTPUT CHARACTERISTICS
4
Output Voltage
7
0.001
V
DD
0.1 V
This is a measure of the minimum and maximum
drive capability of the output amplifier.
DC Output Impedance
0.5
&
Short-Circuit Current
25
mA
VDD = 5 V.
16
mA
V
DD
= 3 V.
Power-Up Time
2.5
祍
Coming out of power-down mode. V
DD
= 5 V.
5
祍
Coming out of power-down mode. V
DD
= 3.3 V.
DIGITAL INPUTS
4
Input Current
?
礎
V
IN
= 0 V to V
DD.
V
IL
, Input Low Voltage
0.8
V
VIH, Input High Voltage
1.89
V
Pin Capacitance
3
10
pF
All digital inputs.
SCL, SDA Glitch Rejection
50
ns
Input filtering suppresses noise spikes of less
than 50 ns.
LDAC
Pulse Width
20
ns
Edge triggered input.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADT7518ARQZ-REEL | 制造商:Analog Devices 功能描述:Temp Sensor Analog Serial (4-Wire, SPI, I2C) 16-Pin QSOP T/R |
| ADT7518ARQZ-REEL7 | 制造商:Analog Devices 功能描述:Temp Sensor Analog Serial (4-Wire, SPI, I2C) 16-Pin QSOP T/R |
| ADT7519 | 制造商:AD 制造商全稱:Analog Devices 功能描述:SPI-/I2C-Compatible, Temperature Sensor,4-Channel ADC and Quad Voltage Output |
| ADT7519ARQ | 制造商:Analog Devices 功能描述:Temp Sensor Digital Serial (4-Wire, SPI, I2C) 16-Pin QSOP |
| ADT7519ARQ-REEL | 制造商:Analog Devices 功能描述:Temp Sensor Digital Serial (4-Wire, SPI, I2C) 16-Pin QSOP T/R |
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