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參數(shù)資料
| 型號(hào)： | THS0842IPFBG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 2-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封裝： | GREEN, PLASTIC, TQFP-48 |
| 文件頁數(shù)： | 26/30頁 |
| 文件大小： | 503K |
| 代理商： | THS0842IPFBG4 |
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THS0842
DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER
WITH SINGLE OR DUAL PARALLEL BUS OUTPUT
SLAS246A – DECEMBER 1999 – REVISED AUGUST 2000
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Supply voltage: AVDD to AGND, DVDD to DGND
– 0.5 V to 4 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply voltage: AVDD to DVDD, AGND to DGND
– 0.5 V to 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital input voltage range to DGND
– 0.5 V to DVDD + 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Analog input voltage range to AGND
– 0.5 V to AVDD + 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital output voltage applied from external source to DGND
– 0.5 V to DVDD + 0.5 V
. . . . . . . . . . . . . . . . . . .
Reference voltage input range to AGND: V(REFT), V(REFB)
– 0.5 V to AVDD + 0.5 V
. . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA:
–40
°C to 85°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–55
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions over operating free-air temperature range
power supply
MIN
NOM
MAX
UNIT
AVDD
Supply voltage
DVDD
3
3.3
3.6
V
DRVDD
analog and reference inputs
MIN
NOM
MAX
UNIT
Reference input voltage (top), V(REFT)
(NOM) – 0.2
AVDD – 1 (NOM) + 0.2
V
Reference input voltage (bottom), V(REFB)
0.8
1
1.2
V
Reference voltage differential, V(REFT) – V(REFB)
AVDD – 2
V
Analog input voltage, V(IN)
V(REFB)
V(REFT)
V
digital inputs
MIN
NOM
MAX
UNIT
High-level input voltage, VIH
2.0
DVDD
V
Low-level input voltage, VIL
DGND
0.2xDVDD
V
Clock period, tc
12.5
ns
Pulse duration, clock high, tw(CLKH)
5.25
ns
Pulse duration, clock low, tw(CLKL)
5.25
ns
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