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ADS8341 データシート(PDF) 3 Page - Texas Instruments

部品番号 ADS8341
部品情報  16-Bit, 4-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER
PDF  25 Pages
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

ADS8341 データシート(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
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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