THS1401 Datasheet, PDF (4/22 Pages) Texas Instruments – 14-BIT, 1/3/8 MSPS DSP COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS WITH INTERNAL REFERENCE AND PGA

THS1401, THS1403, THS1408
14-BIT, 1/3/8 MSPS DSP COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS
WITH INTERNAL REFERENCE AND PGA
SLAS248 – DECEMBER 1999
recommended operating conditions
Supply voltage, AVDD, DVDD
High level digital input, VIH
Low level digital input, VIL
Load capacitance, CL
PARAMETER
Clock frequency, fCLK
Clock duty cycle
Operating free-air temperature
THS1401
THS1403
THS1408
C suffix
I suffix
MIN
3
2
0.1
0.1
0.1
40%
0
–40
NOM
3.3
3.3
0
5
1
3
8
50%
25
25
MAX
3.6
0.8
15
1
3
8
60%
70
85
UNIT
V
V
V
pF
MHz
MHz
MHz
°C
°C
electrical characteristics over recommended operating conditions
PARAMETER
Power Supply
IDDA
IDDD
Analog supply current
Digital supply current
Power
Power down current
DC Characteristics
Resolution
DNL
Differential nonlinearity
INL
Integral nonlinearity
Offset error
Gain error
AC Characteristics
ENOB
Effective number of bits
THD
Total harmonic distortion
SNR
Signal-to-noise ratio
SINAD
Signal-to-noise ratio + distortion
SFDR
Spurious free dynamic range
Analog input bandwidth
TEST CONDITIONS
THS1401
THS1403
THS1408
Best fit
IN+ = IN–, PGA = 0 dB
PGA = 0 dB
THS1401/3/8
THS1403/8
THS1408
THS1401/3/8
THS1403/8
THS1408
THS1401/3/8
THS1403/8
THS1408
THS1401/3/8
THS1403/8
THS1408
fi = 100 kHz
fi = 1 MHz
fi = 4 MHz
fi = 100 kHz
fi = 1 MHz
fi = 4 MHz
fi = 100 kHz
fi = 1 MHz
fi = 4 MHz
fi = 100 kHz
fi = 1 MHz
fi = 4 MHz
MIN TYP MAX UNIT
81
90 mA
5
10 mA
270 360 mW
20
µA
14
Bits
±0.6
±1 LSB
±1.5 ±2.5 LSB
±1.5 ±2.5 LSB
±3
±5 LSB
0.3 %FSR
1 %FSR
11.2 11.5
–81
–78
–77
72
70
72
71
70
69
70
70
80
73
80
80
140
Bits
dB
dB
dB
dB
MHz
4
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