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參數(shù)資料
| 型號： | TLV1549MFKR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CQCC20 |
| 封裝： | LCC-20 |
| 文件頁數(shù)： | 5/19頁 |
| 文件大?。?/td> | 429K |
| 代理商： | TLV1549MFKR |
TLV1549C, TLV1549I, TLV1549M
10-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL
SLAS071C – JANUARY 1993 – REVISED MARCH 1995
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
1000000000
0111111111
0000000010
0000000001
0000000000
1111111110
0
0.006
1.5315
1.5345
1.5375
Digital
Output
Code
1000000001
1111111101
1111111111
3.066
3.069
3.072
512
511
2
1
0
1022
Step
513
1021
1023
0.0015
VI – Analog Input Voltage – V
VZT = VZS + 1/2 LSB
VZS
See Notes A and B
3.0675
0.003
VFT = VFS – 1/2 LSB
VFS
NOTES: A. This curve is based on the assumption that Vref+ and Vref– have been adjusted so that the voltage at the transition from digital 0
to 1 (VZT) is 0.0015 V and the transition to full scale (VFT) is 3.0675 V. 1 LSB = 3 mV.
B. The full-scale value (VFS) is the step whose nominal midstep value has the highest absolute value. The zero-scale value (VZS) is
the step whose nominal midstep value equals zero.
Figure 12. Ideal Conversion Characteristics
Processor
Control
Circuit
To Source
Ground
5-V DC Regulated
Analog Input
ANALOG IN
I/O CLOCK
CS
DATA OUT
REF+
REF –
GND
TLV1549
5
7
6
4
2
1
3
Figure 13. Typical Serial Interface
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