參數(shù)資料
型號： ADS5421T
英文描述： 14-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER
中文描述： 14位，40MHz的采樣模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù)： 2/21頁
文件大?。?/td> 395K
代理商： ADS5421T
ADS5421
SBAS237D
2
www.ti.com
ELECTRICAL CHARACTERISTICS
T
= specified temperature range, typical at +25
°
C, +V
= +V
SD
= +5V, differential input range = 1.5V to 3.5V each input (4Vp-p), sampling rate = 40MHz, internal
reference, VDRV = +3V, and –1dBFS, unless otherwise noted.
ADS5421Y
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RESOLUTION
14 Tested
Bits
SPECIFIED TEMPERATURE RANGE
Ambient Air
–40 to +85
°
C
ANALOG INPUT
Standard Differential Input Range
Common-Mode Voltage
Optional Input Ranges
Analog Input Bias Current
Analog Input Bandwidth
Input Capacitance
Full-Scale = 4Vp-p
1.5
3.5
V
V
V
μ
A
MHz
pF
2.5
Selectable
2Vp-p or 3Vp-p
1
500
9
CONVERSION CHARACTERISTICS
Sample Rate
Data Latency
1M
40M
Samples/sec
Clk Cyc
10
DYNAMIC CHARACTERISTICS
Differential Linearity Error (largest code error)
f = 1MHz
f = 10MHz
No Missing Codes
Integral Nonlinearity Error, f = 1MHz
Spurious-Free Dynamic Range
(1)
f = 1MHz
f = 10MHz
f = 30MHz
2-Tone Intermodulation Distortion
(3)
f = 14.5MHz and 15.5MHz (–7dB each tone)
Signal-to-Noise Ratio (SNR)
f = 1MHz
f = 10MHz
f = 30MHz
Signal-to-(Noise + Distortion) (SINAD)
f = 1MHz
f = 10MHz
f = 30MHz
Effective Number of Bits
(4)
Output Noise
Aperture Delay Time
Aperture Jitter
Over-Voltage Recovery Time
Full-Scale Step Acquisition Time
±
0.5
±
0.5
Tested
±
2.5
LSB
LSB
±
1.0
LSB
88
85
82
dBFS
(2)
dBFS
dBFS
78
–90
dBc
76
75
75
dBFS
dBFS
dBFS
72
75
74
74
12.2
0.4
3
1
5
5
dB
dB
72
dBFS
Bits
LSB rms
ns
ps rms
ns
ns
f = 1MHz
IN and IN tied to CM
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.
+V
, +V
, VDRV ............................................................................... +6V
Analog Input .......................................................... (–0.3V) to (+V
S
+ 0.3V)
Logic Input ............................................................ (–0.3V) to (+V
+ 0.3V)
Case Temperature ......................................................................... +100
°
C
Junction Temperature .................................................................... +150
°
C
Storage Temperature ..................................................................... +150
°
C
NOTE: (1) Stresses above these ratings may cause permanent damage.
Exposure to absolute maximum conditions for extended periods may degrade
device reliability. These are stress ratings only, and functional operation of the
device at these or any other conditions beyond those specified is not implied.
ABSOLUTE MAXIMUM RATINGS
(1)
SPECIFIED
TEMPERATURE
RANGE
PACKAGE
DESIGNATOR
PACKAGE
MARKING
ORDERING
NUMBER
TRANSPORT
MEDIA, QUANTITY
PRODUCT
PACKAGE-LEAD
ADS5421Y
LQFP-64
"
PM
"
–40
°
C to +85
°
C
"
ADS5421Y
"
ADS5421Y/T
ADS5421Y/R
Tape and Reel, 250
Tape and Reel, 1500
"
PACKAGE/ORDERING INFORMATION
(1)
NOTE: (1) For the most current package and ordering information, see the Package Option Addendum located at the end of this data sheet.
PRODUCT
DESCRIPTION
USER’S GUIDE
ADS5421EVM
Populated Evaluation Board
SBAU084
EVALUATION BOARD
相關(guān)PDF資料
PDF描述
ADS5421Y 14-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ADS5421K5 14-Bit, 62MSPS Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7804U 12-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER
ADS7804 12-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER
ADS7804P 12-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS5421Y 制造商:BB 制造商全稱:BB 功能描述:14-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ADS5421Y/R 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14 Bit 40MSPS 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
ADS5421Y/RG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14 Bit 40MSPS 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
ADS5421Y/T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14 Bit 40MSPS 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
ADS5421Y/TG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14 Bit 40MSPS 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
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