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參數(shù)資料
| 型號： | ADS8504 |
| 英文描述： | 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 12位250 kSPS的采樣CMOS模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/19頁 |
| 文件大?。?/td> | 361K |
| 代理商： | ADS8504 |
www.ti.com
ABSOLUTE MAXIMUM RATINGS
(1)
over operating free-air temperature range (unless otherwise noted)
(2)
ELECTRICAL CHARACTERISTICS
T
A
= -40°C to 85°C, f
s
= 250 kHz, V
DIG
= V
ANA
= 5 V, using internal reference (unless otherwise noted)
ADS8504
SLAS434–JUNE 2005
PACKAGE/ORDERING INFORMATION
(1)
MINIMUM
RELATIVE
ACCURACY
(LSB)
MINIMUM
SINAD
(dB)
SPECIFICATION
TEMPERATURE
RANGE
NO MISS-
ING CODE
PACKAGE
LEAD
PACKAGE
DESIGNATOR
ORDERING
NUMBER
TRANSPORT
MEDIA, QTY
PRODUCT
ADS8504IBDW
Tube, 20
ADS8504IB
±0.45
12
72
-40°C to 85°C
SO-28
DW
ADS8504IBDWR
Tape and Reel, 1000
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
ADS8504
±25V
Analog inputs
V
IN
CAP
REF
DGND, AGND1, AGND2
V
ANA
V
DIG
to V
ANA
V
DIG
+V
ANA
+ 0.3 V to AGND2 - 0.3 V
Indefinite short to AGND2, momentary short to V
ANA
±0.3 V
6 V
0.3 V
6 V
-0.3 V to +V
DIG
+ 0.3 V
165°C
825 mW
260°C
Ground voltage differences
Digital inputs
Maximum junction temperature
Internal power dissipation
Lead temperature (soldering, 1,6mm from case, 10 seconds)
(1)
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
All voltage values are with respect to network ground terminal.
(2)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Bits
Resolution
12
ANALOG INPUT
Voltage range
Impedance
Capacitance
±10
11.5
50
V
k
pF
THROUGHPUT SPEED
Conversion cycle
Throughput rate
DC ACCURACY
INL
Integral linearity error
DNL
Differentiall linearity error
No missing codes
Transition noise
(2)
Full-scale error
(3)(4)
Full-scale error drift
Acquire and convert
4
μs
kHz
250
-0.45
-0.45
0.45
0.45
LSB
(1)
LSB
(1)
Bits
LSB
%FSR
ppm/°C
12
0.1
Int. Ref.
Int. Ref.
-0.25
0.25
±7
(1)
(2)
(3)
(4)
LSB means least significant bit. For the 12-bit, ±10-V input ADS8504, one LSB is 4.88 mV.
Typical rms noise at worst case transitions and temperatures.
As measured with fixed resistors shown in
Figure 23
. Adjustable to zero with external potentiometer.
Full-scale error is the worst case of -full-scale or +full-scale deviation from ideal first and last code transitions, divided by the transition
voltage (not divided by the full-scale range) and includes the effect of offset error.
2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADS8504IB | 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
| ADS8504IBDW | 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
| ADS8504IBDWG4 | 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
| ADS8504IBDWR | 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
| ADS8504IBDWRG4 | 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS8504IB | 制造商:BB 制造商全稱:BB 功能描述:12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER |
| ADS8504IBDW | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 250kHz CMOS w/Parallel Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS8504IBDWG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 250kHz CMOS w/Parallel Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS8504IBDWR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 250kHz CMOS w/Parallel Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS8504IBDWRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 250kHz CMOS w/Parallel Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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