參數(shù)資料
型號(hào)： TLV571IPW
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： ADC
英文描述： 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24
封裝： GREEN, PLASTIC, TSSOP-24
文件頁(yè)數(shù)： 8/28頁(yè)
文件大?。?/td> 479K
代理商： TLV571IPW
TLV571
2.7 V TO 5.5 V, 1-CHANNEL, 8-BIT,
PARALLEL ANALOG-TO-DIGITAL CONVERTER
SLAS239A – SEPTEMBER 1999 – REVISED FEBRUARY 2000
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, GND to VCC
– 0.3 V to 6.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Analog input voltage range
– 0.3 V to AVDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference input voltage range
AVDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital input voltage range
– 0.3 V to DVDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating virtual junction temperature range, TJ
–40
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA,
– 40
°C to 85°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°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
power supplies
MIN
MAX
UNIT
Analog supply voltage, AVDD
2.7
5.5
V
Digital supply voltage, DVDD
2.7
5.5
V
NOTE 1: Abs (AVDD – DVDD) < 0.5 V
analog inputs
MIN
MAX
UNIT
Analog input voltage, AIN
AGND
VREFP
V
digital inputs
MIN
NOM
MAX
UNIT
High-level input voltage, VIH
DVDD = 2.7 V to 5.5 V
2.1
2.4
V
Low level input voltage, VIL
DVDD = 2.7 V to 5.5 V
0.8
V
Input CLK frequency
DVDD = 4.5 V to 5.5 V
20
MHz
Input CLK frequency
DVDD = 2.7 V to 3.3 V
10
MHz
Pulse duration CLK high t (CLKH)
DVDD = 4.5 V to 5.5 V, fCLK = 20 MHz
23
ns
Pulse duration, CLK high, tw(CLKH)
DVDD = 2.7 V to 3.3 V, fCLK = 10 MHz
46
ns
Pulse duration CLK low tw(CLKL)
DVDD = 4.5 V to 5.5 V, fCLK = 20 MHz
23
ns
Pulse duration, CLK low, tw(CLKL)
DVDD = 2.7 V to 3.3 V, fCLK = 10 MHz
46
ns
Rise time, I/O and control, CLK, CS
50 pF output load
4
ns
Fall time, I/O and control, CLK, CS
50 pF output load
4
ns
reference specifications
MIN
NOM
MAX
UNIT
VREFP
AVDD = 3 V
2
AVDD
V
VREFP
AVDD = 5 V
2.5
AVDD
V
External reference voltage
VREFM
AVDD = 3 V
AGND
1
V
VREFM
AVDD = 5 V
AGND
2
V
VREFP – VREFM
2
AVDD–AGND
V
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