參數(shù)資料
型號： THS0842PFB
廠商： Texas Instruments, Inc.
英文描述： DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER WITH SINGLE OR DUAL PARALLEL BUS OUTPUT
中文描述： 雙輸入，8位，40 MSPS的低功耗模擬數(shù)字轉(zhuǎn)換器單路或雙路并行總線輸出
文件頁數(shù)： 5/29頁
文件大?。?/td> 479K
代理商： THS0842PFB
THS0842
DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER
WITH SINGLE OR DUAL PARALLEL BUS OUTPUT
SLAS246 – DECEMBER 1999
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Supply voltage: AV
DD
to AGND, DV
DD
to DGND
Supply voltage: AV
DD
to DV
DD
, AGND to DGND
Digital input voltage range to DGND
Analog input voltage range to AGND
Digital output voltage applied from external source to DGND
Reference voltage input range to AGND: V
(REFT)
, V
(REFB)
Operating free-air temperature range, T
A
:
Storage temperature range, T
stg
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.
–0.5 V to 4 V
–0.5 V to 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–0.5 V to DV
DD
+ 0.5 V
–0.5 V to AV
DD
+ 0.5 V
–0.5 V to DV
DD
+ 0.5 V
–0.5 V to AV
DD
+ 0.5 V
–40
°
C to 85
°
C
–55
°
C to 150
°
C
recommended operating conditions over operating free-air temperature range
power supply
MIN
NOM
MAX
UNIT
AVDD
DVDD
DRVDD
Supply voltage
3
3.3
3.6
V
analog and reference inputs
MIN
NOM
MAX
UNIT
Reference input voltage (top), V(REFT)
Reference input voltage (bottom), V(REFB)
Reference voltage differential, V(REFT) – V(REFB)
Analog input voltage, V(IN)
(NOM) – 0.2
AVDD – 1
1
(NOM) + 0.2
V
0.8
1.2
V
AVDD – 2
V(REFT)
V
V(REFB)
V
digital inputs
MIN
NOM
MAX
UNIT
High-level input voltage, VIH
Low-level input voltage, VIL
Clock period, tc
Pulse duration, clock high, tw(CLKH)
Pulse duration, clock low, tw(CLKL)
2.0
DVDD
0.2xDVDD
V
DGND
V
12.5
ns
5.25
ns
5.25
ns
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