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參數(shù)資料
型號： TLV2556IPWR
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝： GREEN, PLASTIC, TSSOP-20
文件頁數(shù)： 32/37頁
文件大?。?/td> 729K
代理商： TLV2556IPWR
TLV2556
SLAS355A – DECEMBER 2001 – REVISED SEPTEMBER 2002
4
www.ti.com
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC (see Note 1)
– 0.5 V to 6.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (any input)
– 0.3 V to VCC + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range, VO
– 0.3 V to VCC + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Positive reference voltage range, Vref+
–0.3 V to VCC + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Negative reference voltage range, Vref–
–0.3 V to VCC +0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak input current, II (any input)
±20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak total input current (all inputs)
±30 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 the 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.
NOTE 1: All voltage values are with respect to the GND terminal with REF – and GND wired together (unless otherwise noted).
recommended operating conditions
PARAMETERS
MIN
NOM
MAX
UNIT
Supply voltage, VCC
2.7
5.5
V
16-bit I/O
0.01
15
SCLK frequency
VCC = 4.5 V to 5.5 V
12-bit I/O
0.01
15
MHz
SCLK frequency
VCC 4.5 V to 5.5 V
8-bit I/O
0.01
15
MHz
VCC = 2.7 V to 3.6 V
0.01
10
Tolerable clock jitter, I/O CLOCK
VCC = 4.5 V to 5.5 V
0.38
ns
Aperature jitter
VCC = 4.5 V to 5.5 V
100
ps
VCC = 4.5 V to 5.5 V
0
(REF+) – (REF–)
Analog input voltage (see Note 2)
VCC = 3.0 V to 3.6 V
0
(REF+) – (REF–)
V
Analog in ut voltage (see Note 2)
VCC = 2.7 V to 3.0 V
0
(REF+) – (REF–)
V
High level control input voltage V
VCC = 4.5 V to 5.5 V
2.0
V
High-level control input voltage, VIH
VCC = 2.7 V to 3.6 V
2.1
V
Low level control input voltage V
VCC = 4.5 V to 5.5 V
0.8
V
Low-level control input voltage, VIL
VCC = 2.7 V to 3.6 V
0.6
V
Operating free-air temperature, TA
TLV2556I
–40
85
°C
NOTE 2: Analog input voltages greater than the voltage applied to REF+ convert as all ones (111111111111), while input voltages less than the
voltage applied to REF– convert as all zeros (000000000000).
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