參數(shù)資料
型號(hào)： ADS8401
英文描述： 16-BIT, 1.25 MSPS, UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG-TODIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
中文描述： 16位，1.25 MSPS的，單極輸入，并行接口和參考微功率取樣類(lèi)比，TODIGITAL轉(zhuǎn)爐
文件頁(yè)數(shù)： 4/25頁(yè)
文件大?。?/td> 238K
代理商： ADS8401
ADS8401
SLAS376B
–
DECEMBER 2002
–
REVISED APRIL 2003
www.ti.com
4
SPECIFICATIONS (CONTINUED)
TA =
–
40
°
C to 85
°
C, +VA = +5 V, +VBD = 3 V or 5 V, Vref = 4.096 V, fSAMPLE = 1.25 MHz (unless otherwise noted)
PARAMETER
Dynamic Characteristics
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Total harmonic distortion (THD) (see Note 1)
VIN = 4 Vpp at 100 kHz
VIN = 4 Vpp at 100 kHz
VIN = 4 Vpp at 100 kHz
VIN = 4 Vpp at 100 kHz
–
93
dB
Signal-to-noise ratio (SNR)
86
dB
Signal-to-noise + distortion (SINAD)
85
dB
Spurious free dynamic range (SFDR)
93
dB
–
3dB Small signal bandwidth
5
MHz
External Voltage Reference Input
Reference voltage at REFIN, Vref
Reference resistance (see Note 2)
2.5
4.096
4.2
V
k
500
Internal Reference Output
Internal reference start-up time
from 95% (+VA), with 1
μ
F storage
capacitor
120
ms
Vref range
Source Current
Line Regulation
IOUT = 0
4.065
4.096
4.13
V
μ
A
mV
Static load
10
+VA = 4.75 ~ 5.25 V
0.6
Drift
IOUT = 0
36
PPM/C
Digital Input/Output
Logic family
CMOS
VIH
VIL
VOH
VOL
IIH = 5
μ
A
IIL = 5
μ
A
IOH = 2 TTL loads
IOL = 2 TTL loads
+VBD
–
1
+VBD + 0.3
Logic level
i l
–
0.3
0.8
V
+VBD
–
0.6
+VBD
0
0.4
Data format
Straight
Binary
Power Supply Requirements
Power supply
voltage
+VBD (see Notes 3 and 4)
2.95
3.3
5.25
V
+VA (see Note 4)
4.75
5
5.25
V
+VA Supply current (see Note 5)
fs = 1.25 MHz
fs = 1.25 MHz
31
34
mA
Power dissipation (see Note 5)
155
mW
Temperature Range
Operating free-air
(1)Calculated on the first nine harmonics of the input frequency
(2)Can vary
±
20%
(3)The difference between +VA and +VBD should not be less than 2.3 V, i.e., if +VA is 5.25 V, +VBD should be minimum of 2.95 V.
(4)+VBD
≥
+VA
–
2.3 V
(5)This includes only VA+ current. +VBD current is typically 1 mA with 5 pF load capacitance on output pins.
–
40
85
°
C
相關(guān)PDF資料
PDF描述
ADS8401IBPFBR 16-BIT, 1.25 MSPS, UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG-TODIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
ADS8401IBPFBT 16-BIT, 1.25 MSPS, UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG-TODIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
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