THS1401-EP Datasheet, PDF (5/27 Pages) Texas Instruments – 14-BIT, 1/3/8 MSPS DSP COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS WITH INTERNAL REFERENCE AND PGA

THS1401-EP THS1403-EP THS1408-EP
14-BIT, 1/3/8 MSPS DSP COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS
WITH INTERNAL REFERENCE AND PGA
SGLS129A – JULY 2002 – REVISED NOVEMBER 2002
electrical characteristics over recommended operating free-air temperature range,
AV_DD = DV_DD = 3.3 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP
Power Supply
IDDA
IDDD
Analog supply current
Digital supply current
Power
Power down current
AVDD = 3.6 V
81
DVDD = 3.6 V
5
AVDD = DVDD = 3.6 V
270
20
DC Characteristics
Resolution
14
DNL Differential nonlinearity
±0.6
THS1401
±1.5
INL
Integral nonlinearity
THS1403
Best fit
±2
THS1408
±3.5
Offset error
IN+ = IN–, PGA = 0 dB
Gain error
PGA = 0 dB
AC Characteristics
ENOB Effective number of bits
11.2 11.5
THD Total harmonic distortion
SNR Signal-to-noise ratio
SINAD Signal-to-noise ratio + distortion
SFDR Spurious free dynamic range
Analog input bandwidth
THS1401/3/8
THS1403/8
THS1408
THS1401/3/8
THS1403/8
THS1408
THS1401/3/8
THS1403/8
THS1408
THS1401/3/8
THS1403, THS1408
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
–81
–78
–77
72
70
72
71
70
69
70
70
80
71
80
80
140
MAX UNIT
90 mA
10 mA
360 mW
µA
Bits
±1 LSB
±2.5
±3 LSB
±7.5
0.3 %FSR
1.75 %FSR
Bits
dB
dB
dB
dB
MHz
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