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參數資料
| 型號： | THS1408PFB |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 14-BIT, 1/3/8 MSPS DSP COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS WITH INTERNAL REFERENCE AND PGA |
| 中文描述： | 14位，1/3/8 MSPS的數字信號處理器兼容模擬到數字的，具有內部參考和PGA變換器 |
| 文件頁數： | 4/22頁 |
| 文件大?。?/td> | 312K |
| 代理商： | THS1408PFB |
THS1401, THS1403, THS1408
14-BIT, 1/3/8 MSPS DSP COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS
WITH INTERNAL REFERENCE AND PGA
SLAS248 – DECEMBER 1999
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
PARAMETER
MIN
NOM
MAX
UNIT
Supply voltage, AVDD, DVDD
High level digital input, VIH
Low level digital input, VIL
Load capacitance, CL
3
3.3
3.6
V
2
3.3
V
0
0.8
15
V
5
pF
THS1401
0.1
1
1
MHz
Clock frequency, fCLK
THS1403
0.1
3
3
MHz
THS1408
0.1
8
8
MHz
Clock duty cycle
40%
50%
60%
Operating free air temperature
Operating free-air temperature
C suffix
I suffix
0
25
25
70
85
°
C
°
C
–40
electrical characteristics over recommended operating conditions
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Power Supply
IDDA
IDDD
Analog supply current
81
90
mA
Digital supply current
5
10
mA
Power
270
360
mW
μ
A
Power down current
20
DC Characteristics
Resolution
14
Bits
DNL
Differential nonlinearity
±
0.6
±
1.5
±
1.5
±
3
±
1
LSB
THS1401
±
2.5
±
2.5
±
5
0.3
LSB
INL
Integral nonlinearity
THS1403
Best fit
LSB
THS1408
LSB
Offset error
IN+ = IN–, PGA = 0 dB
%FSR
Gain error
PGA = 0 dB
1
%FSR
AC Characteristics
ENOB
Effective number of bits
11.2
11.5
Bits
THS1401/3/8
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
THD
Total harmonic distortion
THS1403/8
–78
dB
THS1408
–77
THS1401/3/8
72
SNR
Signal-to-noise ratio
THS1403/8
70
72
dB
THS1408
71
THS1401/3/8
70
SINAD
Signal-to-noise ratio + distortion
THS1403/8
69
70
dB
THS1408
70
THS1401/3/8
80
SFDR
Spurious free dynamic range
THS1403/8
73
80
dB
THS1408
80
Analog input bandwidth
140
MHz
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