ADS8341_14 Datasheet, PDF (4/25 Pages) Texas Instruments – 16-Bit, 4-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER

ELECTRICAL CHARACTERISTICS: +2.7V
At T_A = –40°C to +85°C, +V_CC = +2.7V, V_REF = +2.5V, f_SAMPLE = 100kHz, and f_CLK = 24 • f_SAMPLE = 2.4MHz, unless otherwise noted.
ADS8341E, P
ADS8341EB, PB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
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
V_REF
✻
+V_CC +0.2
✻
+0.2
✻
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
+2.7 < V_CC < +3.3V
14
15
±12
±1
1.2
4.0
±0.05
1.0
4.0
20
3
16
4.5
✻
100
500
30
100
SHDN = V_DD
2.4
0.024
2.4
✻
When Used with Internal Clock 0.024
2.0
✻
Data Transfer Only
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
V_IN = 2.5Vp-p at 10kHz
V_IN = 2.5Vp-p at 10kHz
V_IN = 2.5Vp-p at 10kHz
V_IN = 2.5Vp-p at 50kHz
DCLK Static
f_SAMPLE = 12.5kHz
DCLK Static
–90
86
92
100
0.5
+V_CC
✻
5
13
40
2.5
0.001
3
DIGITAL INPUT/OUTPUT
Logic Family
Logic Levels
V_IH
V_IL
V_OH
V_OL
Data Format
| I_IH | ≤ +5µA
| I_IL | ≤ +5µA
I_OH = –250µA
I_OL = 250µA
CMOS
+V_CC • 0.7
–0.3
5.5
✻
+0.8
✻
+V_CC • 0.8
✻
0.4
Straight Binary
POWER SUPPLY REQUIREMENTS
+V_CC
Quiescent Current
Specified Performance
2.7
3.6
✻
1.2
1.85
Power Dissipation
f_SAMPLE = 12.5kHz
Power-Down Mode⁽³⁾, CS = +V_CC
220
3
3.2
5
TEMPERATURE RANGE
Specified Performance
–40
+85
✻
✻
BITS
✻
V
✻
V
✻
V
✻
pF
✻
µA
Bits
±8
LSB
±0.5
mV
✻
✻
LSB
±0.0024 % of FSR
✻
✻
LSB
✻
µVrms
✻
LSB⁽¹⁾
✻
Clk Cycles
Clk Cycles
✻
kHz
✻
ns
✻
ns
✻
ps
✻
MHz
✻
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 V_REF 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.
4
ADS8341
SBAS136D