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參數(shù)資料
型號(hào)： ADS7812PBG4
廠(chǎng)商： Texas Instruments
文件頁(yè)數(shù)： 18/24頁(yè)
文件大?。?/td> 0K
描述： IC 12BIT 35MW SER OUT ADC 16DIP
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
標(biāo)準(zhǔn)包裝： 25
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(lèi)型： 通孔
封裝/外殼： 16-DIP（0.300"，7.62mm）
供應(yīng)商設(shè)備封裝： 16-PDIP
包裝： 管件
輸入數(shù)目和類(lèi)型： 3 個(gè)單端，單極；3 個(gè)單端，雙極
ADS7812
3
SBAS042A
www.ti.com
SAMPLING DYNAMICS
Aperture Delay
40
ns
Aperture Jitter
20
ps
Transient Response
FS Step
5
s
Overvoltage Recovery(7)
750
ns
REFERENCE
Internal Reference Voltage
2.48
2.5
2.52
V
Internal Reference Source Current
100
A
Internal Reference Drift
8
ppm/
°C
External Reference Voltage Range
2.3
2.5
2.7
V
External Reference Current Drain
VREF = +2.5V
100
A
DIGITAL INPUTS
Logic Levels
VIL
–0.3
+0.8
V
VIH(8)
+2.0
VS +0.3V
V
IIL
±10
A
IIH
±10
A
DIGITAL OUTPUTS
Data Format
Data Coding
VOL
ISINK = 1.6mA
+0.4
V
VOH
ISOURCE = 500A+4
V
Leakage Current
High-Z State,
±1
A
VOUT = 0V to VS
Output Capacitance
High-Z State
15
pF
POWER SUPPLY
VS
+4.75
+5
+5.25
V
Power Dissipation
fS = 40kHz
35
mW
TEMPERATURE RANGE
Specified Performance
–40
+85
°C
Derated Performance
–55
+125
°C
Same specification as grade to the left.
NOTES: (1) LSB means Least Significant Bit. For the
±10V input range, one LSB is 4.88mV. (2) Typical rms noise at worst case transitions and temperatures.
(3) Full scale error is the worst case of –Full Scale or +Full Scale untrimmed 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. (4) After the ADS7812 is initially powered on and fully settles, this is the time delay after
it is brought out of Power Down Mode until all internal settling occurs and the analog input is acquired to rated accuracy, and normal conversions can begin again.
(5) All specifications in dB are referred to a full-scale input. (6) Useable Bandwidth defined as Full-Scale input frequency at which Signal-to-(Noise+Distortion)
degrades to 60dB, or 10 bits of accuracy. (7) Recovers to specified performance after 2 x FS input overvoltage. (8) The minimum VIH level for the DATACLK signal
is 3V.
SPECIFICATIONS (Cont.)
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
Serial
Binary Two’s Complement
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參數(shù)描述
ADS7812PG4 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS7812U 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS7812U 制造商:Texas Instruments 功能描述:A/D Converter (A-D) IC 制造商:Texas Instruments 功能描述:IC, ADC, 12BIT, 40KSPS, SOIC-16
ADS7812U/1K 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Low-Pwr Serial 12B Sampling ADC Cnvrtr 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS7812U/1KE4 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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