At TA = –40°C to +85°C, f
參數(shù)資料
型號： ADS7812UBE4
廠商： Texas Instruments
文件頁數(shù)： 12/24頁
文件大小： 0K
描述： IC 12BIT 35MW SER OUT ADC 16SOIC
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
標(biāo)準(zhǔn)包裝： 40
位數(shù)： 12
采樣率（每秒）： 40k
數(shù)據(jù)接口： 串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 35mW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOIC
包裝： 管件
輸入數(shù)目和類型： 3 個單端，單極；3 個單端，雙極
ADS7812
2
SBAS042A
www.ti.com
SPECIFICATIONS
At TA = –40°C to +85°C, fS = 40kHz, VS = +5V ±5%, using internal reference, unless otherwise specified.
ADS7812P, U
ADS7812PB, UB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
RESOLUTION
12
Bits
ANALOG INPUT
Voltage Range
See Table I
Impedance
See Table I
Capacitance
35
pF
THROUGHPUT SPEED
Conversion Time
20
s
Complete Cycle
Acquire and Convert
25
s
Throughput Rate
40
kHz
DC ACCURACY
Integral Linearity Error
0.1
±1
±0.5
LSB(1)
Differential Linearity Error
0.1
±1
±0.5
LSB
No Missing Codes
Specified
Transition Noise(2)
0.05
LSB
Full Scale Error(3)
±0.5
±0.25
%
Full Scale Error Drift
±14
ppm/
°C
Full Scale Error(3)
Ext. 2.5000V Ref
±0.5
±0.25
%
Full Scale Error Drift
Ext. 2.5000V Ref
±5
ppm/
°C
Bipolar Zero Error
Bipolar Ranges
±10
mV
Bipolar Zero Error Drift
Bipolar Ranges
±3
ppm/
°C
Unipolar Zero Error
Unipolar Ranges
±6
mV
Unipolar Zero Error Drift
Unipolar Ranges
±3
ppm/
°C
Recovery Time to Rated Accuracy
1.0
F Capacitor to CAP
300
s
from Power Down(4)
Power Supply Sensitivity
+4.75V < (VS = +5V) < +5.25
±0.75
LSB
AC ACCURACY
Spurious-Free Dynamic Range
fIN = 1kHz
80
98
dB(5)
Total Harmonic Distortion
fIN = 1kHz
–96
–80
dB
Signal-to-(Noise+Distortion)
fIN = 1kHz
70
74
72
dB
Signal-to-Noise
fIN = 1kHz
70
74
72
dB
Useable Bandwidth(6)
130
kHz
Full Power –3dB Bandwidth
600
kHz
ABSOLUTE MAXIMUM RATINGS(1)
Analog Inputs: R1IN ......................................................................... ±16.5V
R2IN ................................................ GND – 0.3V to +16.5V
R3IN ......................................................................... ±16.5V
REF ............................................ GND – 0.3V to VS + 0.3V
CAP ............................................... Indefinite Short to GND
Momentary Short to VS
VS ........................................................................................................... 7V
Digital Inputs ...................................................... GND – 0.3V to VS + 0.3V
Maximum Junction Temperature ................................................... +165
°C
Internal Power Dissipation ............................................................. 825mW
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.
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.
MINIMUM
MAXIMUM
SPECIFIED
SIGNAL-TO-
INTEGRAL
NO MISSING
(NOISE +
SPECIFIED
LINEARITY
CODE LEVEL DISTORTION)
PACKAGE
TEMPERATURE
PACKAGE
ORDERING
TRANSPORT
PRODUCT
ERROR (LSB)
(LSB)
RATIO (DB)
PACKAGE-LEAD DESIGNATOR(1)
RANGE
MARKING
NUMBER
MEDIA, QUANTITY
ADS7812P
±1
12
70
Dip-16
N
–40
°C to +85°C ADS7812P
ADS7812P
Tubes, 25
ADS7812PB
±0.5
12
72
""
"
ADS7812PB
Tubes, 25
ADS7812U
±1
12
70
SO-16
DW
–40
°C to +85°C ADS7812U
ADS7812U
Tubes, 48
"
ADS7812U/1K
Tape and Reel, 1000
ADS7812UB
±0.5
12
72
SO-16
DW
–40
°C to +85°C ADS7812UB
ADS7812UB
Tubes, 48
"
ADS7812UB/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.
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ADS7812UBG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Low-Pwr Serial 12B Sampling ADC 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
ADS7812UE4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Low-Power Serial 12-Bit 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
ADS7812UG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Low-Pwr Serial 12B Sampling ADC 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
ADS7813 制造商:BB 制造商全稱:BB 功能描述:Low-Power, Serial 16-Bit Sampling ANALOG-TO-DIGITAL CONVERTER
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