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参数资料
| 型号： | SPT8000SIT |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | ADC |
| 英文描述： | 1-CH 14-BIT FLASH METHOD ADC, PARALLEL ACCESS, PQFP44 |
| 封装： | PLASTIC, TQFP-44 |
| 文件页数： | 4/11页 |
| 文件大小： | 130K |
| 代理商： | SPT8000SIT |
2
10/12/01
SPT8000
ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur) 25 °C
Note:
Operation at any Absolute Maximum Rating is not implied. See Electrical Specifications for proper nominal applied conditions in typical
applications.
ELECTRICAL SPECIFICATIONS
TA=25 °C, AVDD=+5.0 V, OVDD=3.3 V, S=20 MSPS, Internal References, unless otherwise specified.
TEST
SPT8000
PARAMETERS
CONDITIONS
LEVEL
MIN
TYP
MAX
UNITS
Resolution
14
Bits
DC Performance
Differential Linearity Error (DLE)
V
±0.5
LSB
Integral Linearity Error (ILE)
V
±1.2
LSB
No Missing Codes
V
Guaranteed
Offset (Mid Scale) Error
V
±1.0
LSB
Gain Error
External VRT & VRC
V
±0.05
% FS
Offset Error Temperature Drift1
–40 to +85 °C
V
±2.4
ppm FS/°C
Gain Error Temperature Drift
External VRT & VRC
V
±3.5
ppm FS/°C
–40 to +85 °C
Analog Input
Input Voltage Span2: VIN+, VIN–
Common Mode=+2.25 V
V
±1
V
Input Capacitance
V
10
pF
Input Full-Power Bandwidth
V
82
MHz
Timing Characteristics
Conversion Rate
V
20
25
MSPS
Pipeline Delay (Latency)
V
16.5
Clock Cycles
Clock Duty Cycle
V
40
50
60
%
Clock Period (tCLK)V
50
ns
Output Delay (tOD)CL=3.5 pF
V
8
ns
Dynamic Performance
Effective Number of Bits (ENOBs)
IN = 5 MHz
V
12.1
Bits
Signal-to-Noise and Distortion (SINAD) IN = 5 MHz
V
74.5
dB
Signal-to-Noise Ratio (SNR)
IN = 5 MHz
V
75
dB
Total Harmonic Distortion (THD)
IN = 5 MHz
V
–84
dB
Spurious Free Dynamic Range (SFDR) IN = 5 MHz
V
87
dB
Digital Inputs (CAL, RESETB)
Logic 1 Voltage
V
2.4
V
Logic 0 Voltage
V
0.8
V
Logic 1 Input Current
V
–10
+10
A
Logic 0 Input Current
V
–10
+10
A
Input Capacitance
V
5
pF
1
After one-time calibration at 25 °C.
2
Each of VIN+ and VIN– ranges from +1.25 V to +3.25 V, making the span of differential input, (VIN+) – (VIN–), to be –2.0 V to +2.0 V.
Supply Voltages
AVDD ...................................................................... +6 V
OVDD ..................................................................... +6 V
Input Voltages
Analog Inputs ............................ –0.3 V to AVDD +0.3 V
CLK Input .................................. –0.3 V to AVDD +0.3 V
Digital Inputs ............................. –0.3 V to AVDD +0.3 V
Digital Outputs
Output Current ................................................. ±10 mA
Temperature
Operating Temperature .......................... –40 to +85 °C
Junction Temperature ...................................... +175 °C
Lead Temperature, (soldering 10 seconds) ..... +300 °C
Storage Temperature ............................ –65 to +150 °C
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