參數(shù)資料
型號(hào): LTC2255IUH
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 14-Bit, 125/105Msps Low Power 3V ADCs
中文描述: 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC32
封裝: 5 X 5 MM, PLASTIC, MO-220-WHHD, QFN-32
文件頁(yè)數(shù): 4/24頁(yè)
文件大?。?/td> 608K
代理商: LTC2255IUH
LTC2255/LTC2254
4
22554f
DIGITAL IU
U
full operating temperature range, otherwise specifications are at T
A
= 25
°
C. (Note 4)
The
denotes the specifications which apply over the
U
U
U
(Note 4)
POWER REQUIREW
range, otherwise specifications are at T
A
= 25
°
C. (Note 8)
U
The
denotes the specifications which apply over the full operating temperature
LTC2255
TYP
3
3
132
395
2
LTC2254
TYP
3
3
107
320
2
SYMBOL
V
DD
OV
DD
IV
DD
P
DISS
P
SHDN
PARAMETER
Analog Supply Voltage
Output Supply Voltage
Supply Current
Power Dissipation
Shutdown Power
CONDITIONS
(Note 9)
(Note 9)
MIN
2.85
0.5
MAX
3.4
3.6
156
468
MIN
2.85
0.5
MAX
3.4
3.6
126
378
UNITS
V
V
mA
mW
mW
SHDN = H,
OE = H, No CLK
SHDN = H,
OE = L, No CLK
P
NAP
Nap Mode Power
15
15
mW
PARAMETER
V
CM
Output Voltage
V
CM
Output Tempco
V
CM
Line Regulation
V
CM
Output Resistance
CONDITIONS
I
OUT
= 0
MIN
1.475
TYP
1.500
±
25
3
4
MAX
1.525
UNITS
V
ppm/
°
C
mV/V
2.85V < V
DD
< 3.4V
–1mA < I
OUT
< 1mA
SYMBOL
LOGIC INPUTS (CLK, OE, SHDN)
V
IH
V
IL
I
IN
C
IN
LOGIC OUTPUTS
OV
DD
= 3V
C
OZ
I
SOURCE
I
SINK
V
OH
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
High Level Input Voltage
Low Level Input Voltage
Input Current
Input Capacitance
V
DD
= 3V
V
DD
= 3V
V
IN
= 0V to V
DD
(Note 7)
2
V
V
0.8
10
–10
μ
A
pF
3
Hi-Z Output Capacitance
Output Source Current
Output Sink Current
High Level Output Voltage
OE = High (Note 7)
V
OUT
= 0V
V
OUT
= 3V
I
O
= –10
μ
A
I
O
= –200
μ
A
I
O
= 10
μ
A
I
O
= 1.6mA
3
pF
mA
mA
50
50
2.995
2.99
0.005
0.09
V
V
V
V
2.7
V
OL
Low Level Output Voltage
0.4
OV
DD
= 2.5V
V
OH
V
OL
OV
DD
= 1.8V
V
OH
V
OL
High Level Output Voltage
Low Level Output Voltage
I
O
= –200
μ
A
I
O
= 1.6mA
2.49
0.09
V
V
High Level Output Voltage
Low Level Output Voltage
I
O
= –200
μ
A
I
O
= 1.6mA
1.79
0.09
V
V
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