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參數(shù)資料
| 型號： | DS2450 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 1-Wire Quad A/D Converter(1線串行四路A/D轉換器) |
| 中文描述： | 四路、1-Wire A/D轉換器 |
| 文件頁數(shù)： | 22/23頁 |
| 文件大?。?/td> | 165K |
| 代理商： | DS2450 |
DS2450
091598 22/23
ABSOLUTE MAXIMUM RATINGS*
Voltage on DATA to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.5V to +7.0V
–40
°
C to +85
°
C
–55
°
C to +125
°
C
260
°
C for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions outside
those indicated in the operation sections of this specification is not implied. Exposure to absolute maxi-
mum rating conditions for extended periods of time may affect reliability.
DC ELECTRICAL CHARACTERISTICS
PARAMETER
(–40
°
C to +85
°
C; V
PUP
or V
CC
=5V
±
10%)
TYP
MAX
SYMBOL
MIN
UNITS
NOTES
Logic 1
V
IH
V
IL
V
OL
V
OH
I
L
I
CC
I
CCQ
2.2
V
1, 8
Logic 0
–0.3
+0.8
V
1, 9
Output Logic Low @ 4 mA
0.4
V
1
Output Logic High
V
PUP
5
6.0
V
1, 2
Input Load Current
μ
A
3
Operating Current
0.5
mA
10
Quiescent Current
5
μ
A
11
CAPACITANCE
PARAMETER
I/O (1–Wire)
(t
A
= 25
°
C)
NOTES
6
SYMBOL
C
IN/OUT
C
AIN
MIN
TYP
100
MAX
800
UNITS
pF
Analog Input
50
pF
RESISTANCES
PARAMETER
Analog Input
(t
A
= 25
°
C)
NOTES
SYMBOL
Z
AIN
MIN
TYP
1.0
MAX
UNITS
M
AC ELECTRICAL CHARACTERISTICS REGULAR SPEED
(V
PUP
=4.0V to 6.0V; –40
°
C to +85
°
C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Time Slot
t
SLOT
t
LOW1
t
LOW0
t
LOWR
t
RDV
t
RELEASE
t
SU
t
REC
t
RSTH
t
RSTL
t
PDH
t
PDL
60
120
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
Write 1 Low Time
1
15
Write 0 Low Time
60
120
Read Low Time
1
15
Read Data Valid
exactly 15
Release Time
0
15
45
Read Data Setup
1
5
Recovery Time
1
Reset Time High
480
4
Reset Time Low
480
7
Presence Detect High
15
60
Presence Detect Low
60
240
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS2450S | 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| DS2450S/T&R | 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| DS2450S+ | 功能描述:模數(shù)轉換器 - ADC Quad 1-Wire RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| DS2450S+ | 制造商:Maxim Integrated Products 功能描述:SEMICONDUCTOR ((NW)) |
| DS2450S+T&R | 制造商:Maxim Integrated Products 功能描述:IC CONVERTER A/D QUAD 1-W 8-SOIC |
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