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參數(shù)資料
| 型號(hào)： | THS1408QPHP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封裝： | PLASTIC, HTQFP-48 |
| 文件頁(yè)數(shù)： | 24/28頁(yè) |
| 文件大?。?/td> | 625K |
| 代理商： | THS1408QPHP |
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THS1401
THS1403
THS1408
SLAS248D DECEMBER 1999 REVISED SEPTEMBER 2005
www.ti.com
5
ELECTRICAL CHARACTERISTICS
Over operating free-air temperature range, AVDD = DVDD = 3.3V, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Power Supply
IDDA
Analog supply current
AVDD = 3.6 V
81
90
mA
IDDD
Digital supply current
DVDD = 3.6 V
5
10
mA
Power
AVDD = DVDD = 3.6 V
270
360
mW
Power down current
20
A
DC Characteristics
Resolution
14
Bits
DNL
Differential nonlinearity
±0.6
±1
LSB
THS1401
±1.5
±2.5
THS1403C/I
±1.5
±2.5
INL
Integral nonlinearity
THS1403Q
Best fit
±2
±3
LSB
INL
Integral nonlinearity
THS1408C/I
Best fit
±3
±5
LSB
THS1408Q/M
±3.5
±7.5
Offset error
IN+ = IN, PGA = 0 dB
0.3
%FSR
Gain error
C and I suffix
PGA = 0 dB
1
%FSR
Gain error
Q and M suffix
PGA = 0 dB
1.75
%FSR
AC Characteristics
ENOB
Effective number of bits
11.2
11.5
Bits
THS1401/3/8
fi = 100 kHz
81
THD
Total harmonic distortion
THS1403/8
fi = 1 MHz
78
dB
THD
Total harmonic distortion
THS1408
fi = 4 MHz
77
dB
THS1401/3/8
fi = 100 kHz
72
SNR
Signal-to-noise ratio
THS1403/8
fi = 1 MHz
70
72
dB
SNR
Signal-to-noise ratio
THS1408
fi = 4 MHz
71
dB
THS1401/3/8
fi = 100 kHz
70
SINAD
Signal-to-noise ratio + distortion
THS1403/8
fi = 1 MHz
69
70
dB
SINAD
Signal-to-noise ratio + distortion
THS1408
fi = 4 MHz
70
dB
THS1401/3/8
fi = 100 kHz
80
SFDR
Spurious-free dynamic range
THS1403C/I, THS1408C/I
fi = 1 MHz
73
80
dB
SFDR
Spurious-free dynamic range
THS1403Q, THS1408Q/M
fi = 1 MHz
71
80
dB
THS1408
fi = 4 MHz
80
Analog input bandwidth
140
MHz
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