THS1401_07 Datasheet, PDF (5/26 Pages) Texas Instruments – 14-Bit, 1/3/8 MSPS, DSP-COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS WITH INTERNAL REFERENCE AND PGA

www.ti.com
THS1401
THS1403
THS1408
SLAS248D − DECEMBER 1999 − REVISED SEPTEMBER 2005
ELECTRICAL CHARACTERISTICS
Over operating free-air temperature range, AVDD = DVDD = 3.3V, unless otherwise noted.
PARAMETER
TEST CONDITIONS
Power Supply
IDDA
IDDD
Analog supply current
Digital supply current
Power
Power down current
AVDD = 3.6 V
DVDD = 3.6 V
AVDD = DVDD = 3.6 V
DC Characteristics
Resolution
DNL Differential nonlinearity
THS1401
THS1403C/I
INL
Integral nonlinearity
THS1403Q
Best fit
THS1408C/I
THS1408Q/M
Offset error
IN+ = IN−, PGA = 0 dB
Gain error
C and I suffix
Q and M suffix
PGA = 0 dB
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
THS1401/3/8
THS1403/8
THS1408
THS1401/3/8
THS1403/8
THS1408
THS1401/3/8
THS1403/8
THS1408
THS1401/3/8
THS1403C/I, THS1408C/I
THS1403Q, THS1408Q/M
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
Analog input bandwidth
THS1408
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
±1.5 ±2.5
±2
±3 LSB
±3
±5
±3.5 ±7.5
0.3 %FSR
1 %FSR
1.75 %FSR
11.2 11.5
−81
−78
−77
72
70
72
71
70
69
70
70
80
73
80
71
80
80
140
Bits
dB
dB
dB
dB
MHz
5