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參數資料
| 型號： | THS1230CDWRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封裝： | GREEN, PLASTIC, SOIC-28 |
| 文件頁數： | 20/25頁 |
| 文件大小： | 854K |
| 代理商： | THS1230CDWRG4 |
www.ti.com
RECOMMENDED OPERATING CONDITIONS
THS1230
SLAS291B – OCTOBER 2000 – REVISED MARCH 2004
over operating free-air temperature range, T
A (unless otherwise noted)
MIN
NOM
MAX
UNIT
POWER SUPPLY
Supply voltage
AVDD
3.0
3.3
3.6
V
DVDD
ANALOG AND REFERENCE INPUTS
Reference input voltage
VREFT
fCLK = 5 MHz to 30 MHz
2.0
2.15
2.5
V
VREFB
fCLK = 5 MHz to 30 MHz
1.05
1.15
1.3
Reference voltage differential, VREFT – VREFB
fCLK = 5 MHz to 30 MHz
0.95
1.0
1.05
V
Analog input voltage differential, (AIN+) – (AIN–)(1)
CON1 = 0, CON0 = 1
–1.0
1.0
V
CON1 = 1, CON0 = 0
–2.0
2.0
Analog input capacitance, Ci
10
pF
Clock input (2)
0
AVDD
V
DIGITAL OUTPUTS
Minimum digital output load resistance, RL
100
k
Maximum digital output load capacitance, Ci
0
10
15
pF
DIGITAL INPUTS
High-level input voltage, VIH
2.4
DVDD
V
Low-level input voltage, VIL
DGND
0.8
V
Clock frequency, fCLK
(3)
5
30
MHz
Clock pulse duration, tw(CLKL), tw(CLKH)
fCLK = 30 MHz
15
16.7
18.3
ns
Operating free-air temperature, TA
TH1230
0
70
°C
TJ1230
–40
85
(1)
Based on VREFT – VREFB = 1.0 V, varies proportional to the VREFT – VREFB value. AIN+ and AIN– inputs must always be greater than 0 V
and less than AVDD.
(2)
Clock pin is referenced to AGND and powered by AVDD.
(3)
Clock frequency can be extended to this range without degradation of performance.
4
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