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參數(shù)資料
| 型號(hào)： | ADS7808U |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | 0.300 INCH, GREEN, PLASTIC, SOIC-20 |
| 文件頁數(shù)： | 10/17頁 |
| 文件大?。?/td> | 468K |
| 代理商： | ADS7808U |
ADS7808
2
SBAS018A
www.ti.com
Analog Inputs: R1IN .......................................................................... ±25V
R2IN .......................................................................... ±25V
R3IN .......................................................................... ±25V
CAP ..................................... VANA+0.3V to AGND2 –0.3V
REF ....................................... Indefinite Short to AGND2,
Momentary Short to VANA
Ground Voltage Differences: DGND, AGND2 .................................
±0.3V
VANA ...................................................................................................... 7V
VDIG to VANA ....................................................................................... +0.3
VDIG ....................................................................................................... 7V
Digital Inputs ............................................................. –0.3V to VDIG +0.3V
Maximum Junction Temperature .................................................. +165
°C
Internal Power Dissipation ............................................................ 700mW
Lead Temperature (soldering, 10s) .............................................. +300
°C
NOTE: (1) Stresses above these ratings may cause permanent damage.
Exposure to absolute maximum conditions for extended periods may degrade
device reliability.
ELECTRICAL CHARACTERISTICS
At TA = –40°C to +85°C, fS = 100kHz, VDIG = VANA = +5V, using internal reference and fixed resistors as shown in Figure 4, unless otherwise specified.
ADS7808U
ADS7808UB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
ABSOLUTE MAXIMUM RATINGS(1)
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Texas Instru-
ments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling
and installation procedures can cause damage.
ESD damage can range from subtle performance degradation
to complete device failure. Precision integrated circuits may be
more susceptible to damage because very small parametric
changes could cause the device not to meet its published
specifications.
MAXIMUM
MINIMUM
INTEGRAL
SIGNAL-TO-
SPECIFIED
LINEARITY
(NOISE + DISTORTION)
PACKAGE
TEMPERATURE
PACKAGE
ORDERING
TRANSPORT
PRODUCT
ERROR (LSB)
RATIO (DB)
PACKAGE-LEAD DESIGNATOR(1)
RANGE
MARKING
NUMBER
MEDIA, QUANTITY
ADS7808U
±0.9
70
SO-20
DW
–40
°C to +85°C ADS7808U
ADS7808U
Tube, 38
"
ADS7808U/1K
Tape and Reel, 1000
ADS7808UB
±0.45
72
"
ADS7808UB
Tube, 38
"
ADS7808UB/1K
Tape and Reel, 1000
PACKAGE/ORDERING INFORMATION
NOTE: (1) For the most current specifications and package information, refer to our web site at www.ti.com.
RESOLUTION
12
Bits
ANALOG INPUT
Voltage Ranges
±10V, 0V to 5V, etc. (See Table I)
Impedance
See Table I
Capacitance
35
pF
THROUGHPUT SPEED
Conversion Time
5.7
8
s
Complete Cycle
Acquire and Convert
10
s
Throughput Rate
100
kHz
DC ACCURACY
Integral Linearity Error
±0.9
±0.45
LSB(1)
Differential Linearity Error
±0.9
±0.45
LSB
No Missing Codes
Specified
Transition Noise(2)
0.1
LSB
Full Scale Error(3,4)
±0.5
±0.25
%
Full Scale Error Drift
±7
±5
ppm/
°C
Full Scale Error(3,4)
Ext. 2.5000V Ref
±0.5
±0.25
%
Full Scale Error Drift
Ext. 2.5000V Ref
±2
ppm/
°C
Bipolar Zero Error(3)
Bipolar Ranges
±10
mV
Bipolar Zero Error Drift
Bipolar Ranges
±2
ppm/
°C
Unipolar Zero Error(3)
0V to 10V Range
±5
mV
0V to 4V Range
±3
mV
0V to 5V Range
±3
mV
Unipolar Zero Error Drift
Unipolar Ranges
±2
ppm/
°C
Recovery to Rated Accuracy
1
F Capacitor to CAP
1
ms
after Power Down
Power Supply Sensitivity
+4.75V < VD < +5.25V
±0.5
LSB
(VDIG = VANA = VD)
AC ACCURACY
Spurious-Free Dynamic Range
fIN = 45kHz
80
90
dB(5)
Total Harmonic Distortion
fIN = 45kHz
–90
–80
dB
Signal-to-(Noise+Distortion)
fIN = 45kHz
70
73
72
dB
Signal-to-Noise
fIN = 45kHz
70
73
72
dB
Full-Power Bandwidth(6)
250
kHz
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS7808U | 制造商:Texas Instruments 功能描述:IC 12BIT ADC 100KHZ SOIC20 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 100KHZ, SOIC20 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 100KHZ, SOIC20; Resolution (Bits):12bit; Sampling Rate:100kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:16mA; Digital IC Case Style:SOIC; No. of Pins:20; Input ;RoHS Compliant: Yes |
| ADS7808U/1K | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us Serial CMOS Sampling 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 |
| ADS7808U/1KE4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us Serial CMOS Sampling 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 |
| ADS7808U/1KG4 | 制造商:Texas Instruments 功能描述: |
| ADS7808UB | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us Serial CMOS Sampling 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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