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ADS8341 数据表(PDF) 3 Page - Texas Instruments

部件名 ADS8341
功能描述  16-Bit, 4-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER
PDF  24 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

ADS8341 数据表(HTML) 3 Page - Texas Instruments

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ADS8341
3
SBAS136D
ELECTRICAL CHARACTERISTICS: +5V
At TA = –40°C to +85°C, +VCC = +5V, VREF = +5V, fSAMPLE = 100kHz, and fCLK = 24 • fSAMPLE = 2.4MHz, unless otherwise noted.
ADS8341E, P
ADS8341EB, PB
✻ Same specifications as ADS8341E.
NOTES: (1) LSB means Least Significant Bit. With VREF equal to +5.0V, one LSB is 76µV. (2) First five harmonics of the test frequency. (3) Auto power-down mode
(PD1 = PD0 = 0) active or SHDN = GND.
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
RESOLUTION
16
✻
BITS
ANALOG INPUT
Full-Scale Input Span
Positive Input - Negative Input
0
VREF
✻✻
V
Absolute Input Range
Positive Input
–0.2
+VCC +0.2
✻✻
V
Negative Input
–0.2
+1.25
✻✻
V
Capacitance
25
✻
pF
Leakage Current
±1
✻
µA
SYSTEM PERFORMANCE
No Missing Codes
14
15
Bits
Integral Linearity Error
±8
±6LSB
Offset Error
±2
±1mV
Offset Error Match
1.2
4.0
✻✻
LSB(1)
Gain Error
±0.05
±0.024
%
Gain Error Match
1.0
4.0
✻✻
LSB
Noise
20
✻
µVrms
Power-Supply Rejection
+4.75V < VCC < 5.25V
3
✻
LSB(1)
SAMPLING DYNAMICS
Conversion Time
16
✻
Clk Cycles
Acquisition Time
4.5
✻
Clk Cycles
Throughput Rate
100
✻
kHz
Multiplexer Settling Time
500
✻
ns
Aperture Delay
30
✻
ns
Aperture Jitter
100
✻
ps
Internal Clock Frequency
SHDN = VDD
2.4
✻
MHz
External Clock Frequency
0.024
2.4
✻✻
MHz
Data Transfer Only
0
2.4
✻✻
MHz
DYNAMIC CHARACTERISTICS
Total Harmonic Distortion(2)
VIN = 5Vp-p at 10kHz
–90
✻
dB
Signal-to-(Noise + Distortion)
VIN = 5Vp-p at 10kHz
86
✻
dB
Spurious-Free Dynamic Range
VIN = 5Vp-p at 10kHz
92
✻
dB
Channel-to-Channel Isolation
VIN = 5Vp-p at 50kHz
100
✻
dB
REFERENCE INPUT
Range
0.5
+VCC
✻✻
V
Resistance
DCLK Static
5
✻
G
Ω
Input Current
40
100
✻✻
µA
fSAMPLE = 12.5kHz
2.5
✻
µA
DCLK Static
0.001
3
✻✻
µA
DIGITAL INPUT/OUTPUT
Logic Family
CMOS
✻
Logic Levels
VIH
| IIH | ≤ +5µA
3.0
5.5
✻✻
V
VIL
| IIL | ≤ +5µA
–0.3
+0.8
✻✻
V
VOH
IOH = –250µA
3.5
✻
V
VOL
IOL = 250µA
0.4
✻
V
Data Format
Straight Binary
✻
POWER SUPPLY REQUIREMENTS
+VCC
Specified Performance
4.75
5.25
✻✻
V
Quiescent Current
1.5
2.0
✻
mA
fSAMPLE = 12.5kHz
300
✻
µA
Power-Down Mode(3), CS = +VCC
3
✻
µA
Power Dissipation
7.5
10
✻
mW
TEMPERATURE RANGE
Specified Performance
–40
+85
✻✻
°C



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