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ADS8341_15 Datasheet, PDF (3/24 Pages) Texas Instruments – 16-Bit, 4-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER
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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
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
RESOLUTION
16
ANALOG INPUT
Full-Scale Input Span
Absolute Input Range
Capacitance
Leakage Current
Positive Input - Negative Input
0
Positive Input
–0.2
Negative Input
–0.2
VREF
✻
+VCC +0.2
✻
+1.25
✻
25
±1
SYSTEM PERFORMANCE
No Missing Codes
Integral Linearity Error
Offset Error
Offset Error Match
Gain Error
Gain Error Match
Noise
Power-Supply Rejection
SAMPLING DYNAMICS
Conversion Time
Acquisition Time
Throughput Rate
Multiplexer Settling Time
Aperture Delay
Aperture Jitter
Internal Clock Frequency
External Clock Frequency
+4.75V < VCC < 5.25V
SHDN = VDD
Data Transfer Only
14
15
±8
±2
1.2
4.0
±0.05
1.0
4.0
20
3
16
4.5
✻
100
500
30
100
2.4
0.024
2.4
✻
0
2.4
✻
DYNAMIC CHARACTERISTICS
Total Harmonic Distortion(2)
Signal-to-(Noise + Distortion)
Spurious-Free Dynamic Range
Channel-to-Channel Isolation
REFERENCE INPUT
Range
Resistance
Input Current
VIN = 5Vp-p at 10kHz
VIN = 5Vp-p at 10kHz
VIN = 5Vp-p at 10kHz
VIN = 5Vp-p at 50kHz
DCLK Static
fSAMPLE = 12.5kHz
DCLK Static
–90
86
92
100
0.5
+VCC
✻
5
40
100
2.5
0.001
3
DIGITAL INPUT/OUTPUT
Logic Family
Logic Levels
VIH
VIL
VOH
VOL
Data Format
| IIH | ≤ +5µA
| IIL | ≤ +5µA
IOH = –250µA
IOL = 250µA
CMOS
3.0
5.5
✻
–0.3
+0.8
✻
3.5
✻
0.4
Straight Binary
POWER SUPPLY REQUIREMENTS
+VCC
Quiescent Current
Specified Performance
4.75
5.25
✻
1.5
2.0
Power Dissipation
fSAMPLE = 12.5kHz
Power-Down Mode(3), CS = +VCC
300
3
7.5
10
TEMPERATURE RANGE
Specified Performance
–40
+85
✻
TYP
MAX
✻
UNITS
BITS
✻
V
✻
V
✻
V
✻
pF
✻
µA
Bits
±6
LSB
±1
mV
✻
✻
LSB(1)
±0.024
%
✻
✻
LSB
✻
µVrms
✻
LSB(1)
✻
Clk Cycles
Clk Cycles
✻
kHz
✻
ns
✻
ns
✻
ps
✻
MHz
✻
MHz
✻
MHz
✻
dB
✻
dB
✻
dB
✻
dB
✻
V
✻
GΩ
✻
✻
µA
✻
µA
✻
✻
µA
✻
✻
V
✻
V
V
✻
V
✻
✻
V
✻
mA
✻
µA
✻
µA
✻
mW
✻
°C
✻ 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.
ADS8341
3
SBAS136D
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