At TA = –40°C to +85°C, +VCC
參數(shù)資料
型號(hào)： ADS7818EVM
廠商： Texas Instruments
文件頁數(shù)： 12/21頁
文件大?。?/td> 0K
描述： EVAL MOD FOR ADS7818
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
標(biāo)準(zhǔn)包裝： 1
ADC 的數(shù)量： 1
位數(shù)： 12
采樣率（每秒）： 500k
數(shù)據(jù)接口： 串行
輸入范圍： 0 ~ 5 V
在以下條件下的電源（標(biāo)準(zhǔn)）： 11mW @ 500kSPS
工作溫度： -40°C ~ 85°C
已用 IC / 零件： ADS7818
已供物品： 板
產(chǎn)品目錄頁面： 891 (CN2011-ZH PDF)
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其它名稱： 296-19913
ADS7818EVM-ND
2
ADS7818
SPECIFICATIONS
At TA = –40°C to +85°C, +VCC = +5V, fSAMPLE = 500kHz, fCLK = 16 fSAMPLE, internal reference, unless otherwise specified.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN
assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject
to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not
authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.
ADS7818P, E
ADS7818PB, EB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
ANALOG INPUT
Full-Scale Input Span(1)
+In – (–In)
0
5
TT
V
Absolute Input Range
+In
–0.2
VCC +0.2
TT
V
–In
–0.2
+0.2
TT
V
Capacitance
15
T
pF
Leakage Current
1
T
A
SYSTEM PERFORMANCE
Resolution
12
T
Bits
No Missing Codes
12
T
Bits
Integral Linearity Error
±1
±2
±0.5
±1
LSB(2)
Differential Linearity Error
±0.8
±0.5
±1
LSB
Offset Error
±2
±5
±1
T
LSB
Gain Error(3)
25
°C
±12
±30
±7
±15
LSB
–40
°C to +85°C
±50
±35
LSB
Common-Mode Rejection
DC, 0.2Vp-p
70
T
dB
1MHz, 0.2Vp-p
50
T
dB
Noise
150
T
Vrms
Power Supply Rejection
Worst Case
, +V
CC = 5V ±5%
1.2
T
LSB
SAMPLING DYNAMICS
Conversion Time
1.625
T
s
Acquisition Time
0.350
T
s
Throughput Rate
500
T
kHz
Aperture Delay
5
T
ns
Aperture Jitter
30
T
ps
Step Response
350
T
ns
DYNAMIC CHARACTERISTICS
Signal-to-Noise Ratio
VIN = 5Vp-p at 100kHz
72
T
dB
Total Harmonic Distortion(4)
VIN = 5Vp-p at 100kHz
–78
–72
–82
–75
dB
Signal-to-(Noise+Distortion)
VIN = 5Vp-p at 100kHz
68
70
72
dB
Spurious Free Dynamic Range
VIN = 5Vp-p at 100kHz
72
78
75
82
dB
Usable Bandwidth
SINAD > 68dB
350
T
kHz
REFERENCE OUTPUT
Voltage
IOUT = 0
2.475
2.50
2.525
2.48
T
2.52
V
Source Current(5)
Static Load
50
T
A
Drift
IOUT = 0
20
T
ppm /
°C
Line Regulation
4.75V
≤ V
CC ≤ 5.25V
0.6
T
mV
REFERENCE INPUT
Range
2.0
2.55
TT
V
Resistance(6)
to Internal Reference Voltage
10
TT
T
k
DIGITAL INPUT/OUTPUT
Logic Family
CMOS
T
Logic Levels:
VIH
|IIH| ≤ +5A
3.0
VCC +0.3
TT
V
VIL
|IIL| ≤ +5A
–0.3
0.8
TT
V
VOH
IOH = –500A
3.5
TT
V
VOL
IOL = 500A
0.4
TT
V
Data Format
Straight Binary
T
POWER SUPPLY REQUIREMENT
+VCC
Specified Performance
4.75
5.25
TT
V
Quiescent Current
fSAMPLE = 500kHz
2.2
T
mA
Power Down
0.5
T
mA
Power Dissipation
fSAMPLE = 500kHz
11
20
TT
mW
Power Down
2.5
T
mW
TEMPERATURE RANGE
Specified Performance
–40
+85
TT
°C
T Specifications same as ADS7818P,E.
NOTES: (1) Ideal input span, does not include gain or offset error. (2) LSB means Least Significant Bit, with VREF equal to +2.5V, one LSB is 1.22mV. (3) Measured
relative to an ideal, full-scale input (+In – (–In)) of 4.999V. Thus, gain error includes the error of the internal voltage reference. (4) Calculated on the first nine
harmonics of the input frequency. (5) If the internal reference is required to source current to an external load, the reference voltage will change due to the internal
10k
resistor. (6) Can vary ±30%.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7818P 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit High Speed Low Power 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
ADS7818P 制造商:BURR-BROWN 功能描述:IC 12BIT ADC 7818 DIP8 制造商:Texas Instruments 功能描述:IC 12BIT ADC 500KHZ DIP8 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 500KHZ, DIP8 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 500KHZ, DIP8; Resolution (Bits):12bit; Sampling Rate:500kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:2.2mA; Digital IC Case Style:DIP; No. of Pins:8; Input ;RoHS Compliant: Yes
ADS7818PB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit High Speed Low Power 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
ADS7818PB 制造商:Texas Instruments 功能描述:IC 12BIT ADC 500KHZ PDIP8 7818
ADS7818PBG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit High Speed Low Power 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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