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參數資料
| 型號： | TS8388BMFB/Q |
| 元件分類： | ADC |
| 英文描述： | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP68 |
| 封裝： | CERAMIC, QFP-68 |
| 文件頁數： | 29/44頁 |
| 文件大小： | 850K |
| 代理商： | TS8388BMFB/Q |
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35
Preliminary Beta-Site
Specification
TS8388BF
7.8.
OUT OF RANGE BIT
An Out of Range (OR,ORB) bit is provided that goes to logical high state when the input exceeds the positive full scale or falls below the negative full
scale.
When the analog input exceeds the positive full scale, the digital output datas remain at high logical state, with (OR,ORB) at logical one.
When the analog input falls below the negative full scale, the digital outputs remain at logical low state, with (OR,ORB) at logical one again.
7.9.
GRAY OR BINARY OUTPUT DATA FORMAT SELECT
The TS8388BF internal regeneration latches indecision (for inputs very close to latches threshold) may produce errors in the logic encoding circuitry
and leading to large amplitude output errors.
This is due to the fact that the latches are regenerating the internal analog residues into logical states with a finite voltage gain value (Av) within a
given positive amount of time
(t) :
Av= exp(
(t)/τ) , with τ the positive feedback regeneration time constant.
The TS8388BF has been designed for reducing the probability of occurence of such errors to approximately 10
-13 (targetted for the TS8388BF at
1GSPS).
A standard technique for reducing the amplitude of such errors down to +/-1 LSB consists to output the digital datas in Gray code format.
Though the TS8388BF has been designed for featuring a Bit Error Rate of 10
-13 with a binary output format, it is possible for the user to select
between the Binary or Gray output data format, in order to reduce the amplitude of such errors when occuring, by storing Gray output codes.
Digital Datas format selection :
BINARY output format if GORB is floating or VCC.
GRAY output format if GORB is connected to ground (0V).
7.10.
DIODE PIN 49
One single pin is used for both DRRB input command and die junction monitoring. The pin denomination is DRRB/DIOD. Temperature monitoring
and Data Ready control by DRRB is not possible simultaneously.
(See section 7.2 for Data Ready Reset input command).
The operating die junction temperature must be kept below145 C, therefore an adequate cooling system has to be set up.
The diode mounted transistor measured Vbe value versus junction temperature is given below.
600
640
680
720
760
800
840
880
920
960
1000
-55
-35
-15
5
25
45
65
85
105
125
Junction temperature (deg.C)
VBE
(mV)
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| TS8388BMF | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP68 |
| TS8388BCG | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CBGA72 |
| TS8388BCG | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CBGA72 |
| TS8388BCG | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CBGA72 |
| TS8388BMFB/T | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP68 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TS8388BMFS | 制造商:e2v technologies 功能描述:ADC 8-BIT 1 GSPS - Trays |
| TS8388BMFS9NB1 | 制造商:e2v technologies 功能描述:ADC 8-BIT 1 GSPS - Trays |
| TS8388BMFS9NB2 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:ADC 8-bit 1 GSPS |
| TS8388BMFS9NB3 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:ADC 8-bit 1 GSPS |
| TS8388BMFS9NC2 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:ADC 8-bit 1 GSPS |
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