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參數(shù)資料
| 型號(hào)： | ADS5421K5 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 14-Bit, 62MSPS Sampling ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 14位，62MSPS采樣模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/21頁 |
| 文件大?。?/td> | 395K |
| 代理商： | ADS5421K5 |
ADS5421
SBAS237D
3
www.ti.com
DIGITAL INPUTS
Clock Input
Logic Family (other than clock inputs)
High Level Input Current
(5)
(V
= 5V)
Low Level Input Current (V
IN
= 0V)
High Level Input Voltage
Low Level Input Voltage
Input Capacitance
Rising Edge of Convert Clock
+0.5
+V
SD
Vp-p
+3V/+5V Compatible CMOS
100
10
μ
A
μ
A
V
V
pF
+2.0
+1.0
5
DIGITAL OUTPUTS
(6)
Logic Family
Logic Coding
Low Output Voltage (I
OL
= 50
μ
A to 0.5mA)
High Output Voltage (I
OH
= 50
μ
A to 0.5mA)
Low Output Voltage (I
OL
= 50
μ
A to 1.6mA)
High Output Voltage (I
OH
= 50
μ
A to 1.6mA)
3-State Enable Time
3-State Disable Time
Output Capacitance
+3V/+5V Compatible CMOS
Straight Offset Binary
VDRV = 3V
+0.2
V
V
V
V
ns
ns
pF
+2.5
VDRV = 5V
+0.2
+2.5
OE = LOW
OE = HIGH
20
2
5
40
10
ACCURACY
Zero Error (Referred to –FS)
Zero Error Drift (Referred to –FS)
Gain Error
(7)
Gain Error Drift
(7)
Power-Supply Rejection of Gain
Internal REF Tolerance (V
, V
REFB
)
External REF Voltage Range
Reference Input Resistance
at +25
°
C
±
0.5
15
±
0.2
35
68
±
10
2
1.0
±
1.0
%FS
ppm/
°
C
%FS
ppm/
°
C
dB
mV
V
k
at +25
°
C
±
1.0
V
=
±
5%
Deviation from Ideal
±
50
2.025
0.9
POWER-SUPPLY REQUIREMENTS
Supply Voltage: +V
SA
, +V
SD
Supply Current: +I
Output Driver Supply Current (VDRV)
Power Dissipation: VDRV = 5V
Operating, f
IN
= 10MHz
Operating, f
IN
= 10MHz
+4.75
+5.0
170
12
900
850
40
+5.25
V
mA
mA
mW
mW
mW
VDRV = 3V
Power Down
925
Operating
Thermal Resistance,
θ
JA
LQFP-64
48
°
C/W
NOTES: (1) Spurious-Free Dynamic Range refers to the magnitude of the largest harmonic. (2) dBFS means dB relative to Full-Scale. (3) 2-tone intermodulation
distortion is referred to the largest fundamental tone. This number will be 6dB higher if it is referred to the magnitude of the 2-tone fundamental envelope.
(4) Effective Number of Bits (ENOB) is defined by (SINAD – 1.76)/6.02. (5) A 50k
pull-down resistor is inserted internally. (6) Recommended maximum
capacitance loading, 15pF. (7) Includes internal reference.
ELECTRICAL CHARACTERISTICS
(Cont.)
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
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS5421R | 制造商:BB 制造商全稱:BB 功能描述:14-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS5421T | 制造商:BB 制造商全稱:BB 功能描述:14-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| 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 |
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