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VECANA01_13 Datasheet, PDF (2/17 Pages) Texas Instruments – 10-Channel, 12-Bit DATA ACQUISITION SYSTEM
SPECIFICATIONS
At VANA+ = +5V, VANA– = –5V, VDIG+ = +5V, VDIG– = –5V, and TA = –40°C to +85°C, using internal reference, fCLOCK = 1.25MHz.
ANALOG-TO-DIGITAL CONVERTER CHANNELS
PARAMETER
CONDITIONS
RESOLUTION
ANALOG INPUT
Full Scale Voltage, Differential
Common-Mode Voltage
Impedance
Capacitance
THROUGHPUT SPEED
Conversion Time
Complete Cycle
Throughput Rate
SAMPLING DYNAMICS
S/H Droop Rate
S/H Acquisition Time
S/H Aperture Delay
S/H Aperture Jitter
Sampling Skew, Channel-to-Channel
DC ACCURACY
Integral Linearity - ADC
Differential Linearity - ADC
No Missing Codes
Integral Linearity - Asynchronous, Synchronous
Differential Linearity - Asynchronous, Synchronous
Full Scale Error
Full Scale Error Other Gains
Full Scale Error Drift
Zero Error - ADC
Zero Error - Asynchronous, Synchronous
Zero Error Drift
AC ACCURACY
Total Harmonic Distortion
fIN = 1kHz
fIN = 1MHz
CMR
REFERENCE
Internal Reference Voltage
Internal Reference Accuracy
Internal Reference Drift
Internal Reference Source Current
External Reference Voltage Range
for Specified Linearity
External Reference Current Drain
DIGITAL INPUTS
Logic Levels
VIL
VIH
IIL
IIH
Input Capacitance
DIGITAL OUTPUTS
Data Format
Data Coding
VOL
VOH
Leakage Current
Output Capacitance
G = 1.0V/V
G = 1.25V/V
G = 2.5V/V
G = 5.0V/V
CLK = 1.25MHz
Acquire and Convert
G = 1.0V/V
G = 1.0V/V
G = 2.5V/V
G = 1.0V/V
G = 1.0V/V
G = 1.0V/V
VCM = ±0.5V, fCM = 1MHz
At All Digital Input Pins
ISINK = 1.6mA
ISOURCE = 500µA
At All Digital Output Pins
MIN
12
±0.5
VECANA01N
TYP
±2.5
±2.0
±1.0
±0.5
See Table VII
1012
20
78
12
2.25
0
+3.5
0.1
0.5
50
50
3
±0.5
±0.5
0.5
0.5
±10
±10
±0.5
±0.5
±0.5
92
70
50
2.5
±0.25
±10
10
2.5
10
12-Bit Serial
BTC
0
4.2
MAX
10.4
12.8
±2
±2
±3
±3
2
4
±100
±100
±15
±20
±2
2.75
1.5
+5
±10
±10
15
0.4
5
±5
15
UNITS
Bit
V
V
V
V
V
Ω
pF
µs
µs
kHz
µV/µs
µs
ns
ps
ns
LSB
LSB
Bits
LSB
LSB
% of FSR
% of FSR
ppm/°C
ppm/°C
LSB
LSB
ppm/°C
dB
dB
dB
V
%
ppm/°C
µA
V
µA
V
V
µA
µA
pF
V
V
µA
pF
2
VECANA01
SBAS155