參數(shù)資料
型號(hào): LTC1454CS
廠商: LINEAR TECHNOLOGY CORP
元件分類: DAC
英文描述: Dual 12-Bit Rail-to-Rail Micropower DACs
中文描述: DUAL, SERIAL INPUT LOADING, 14 us SETTLING TIME, 12-BIT DAC, PDSO16
封裝: 0.150 INCH, PLASTIC, SO-16
文件頁(yè)數(shù): 3/12頁(yè)
文件大?。?/td> 246K
代理商: LTC1454CS
3
LTC1454/LTC1454L
ELECTRICAL CHARACTERISTICS
V
CC
= 4.5V to 5.5V (LTC1454), 2.7V to 5.5V (LTC1454L), X1/X2 = REFLO = GND, REFHI = REFOUT, V
OUT
and REFOUT unloaded,
T
A
= T
MIN
to T
MAX
, unless otherwise noted.
SYMBOL
Power Supply
V
CC
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Positive Supply Voltage
For Specified Performance,LTC1454
G
G
4.5
2.7
5.5
5.5
1250
1100
V
V
LTC1454L
I
CC
Supply Current
4.5V
V
CC
5.5V (Note 4), LTC1454
2.7V
V
CC
5.5V (Note 4), LTC1454L
G
G
700
450
μ
A
μ
A
Op Amp DC Performance
Short-Circuit Current Low
Short-Circuit Current High
Output Impedance to GND
AC Performance
Voltage Output Slew Rate
Voltage Output Settling Time
Digital Feedthrough
AC Feedthrough
SINAD
Signal-to-Noise + Distortion
V
OUT
Shorted to GND
V
OUT
Shorted to V
CC
Input Code = 0
G
70
80
40
120
120
mA
mA
G
G
(Note 2)
(Notes 2, 3) to
±
0.5LSB
G
0.5
1.0
14
0.3
–95
85
V/
μ
s
μ
s
nVs
dB
dB
REFHI = 1kHz, 2V
P-P
, (Code: All 0s)
REFHI = 1kHz, 2V
P-P
, (Code: All 1s)
V
CC
= 5V (LTC1454), 3V (LTC1454L), T
A
= T
MIN
to T
MAX
, unless otherwise noted.
LTC1454
TYP
LTC1454L
TYP
SYMBOL
Digital I/O
V
IH
V
IL
V
OH
V
OL
I
LEAK
C
IN
Switching
t
1
t
2
t
3
t
4
t
5
t
6
t7
t
8
t
9
PARAMETER
CONDITIONS
MIN
MAX
MIN
MAX
UNITS
Digital Input High Voltage
Digital Input Low Voltage
Digital Output High Voltage
Digital Output Low Voltage
Digital Input Leakage
Digital Input Capacitance
G
2.4
2.0
V
V
V
V
G
0.8
0.6
I
OUT
= –1mA
I
OUT
= 1mA
V
IN
= GND to V
CC
Guaranteed by Design
G
V
CC
– 1.0
V
CC
– 0.7
G
0.4
±
10
10
0.4
±
10
10
G
μ
A
pF
G
D
IN
Valid to CLK Setup
D
IN
Valid to CLK Hold
CLK High Time
CLK Low Time
CS/LD Pulse Width
LSB CLK to CS/LD
CS/LD Low to CLK
D
OUT
Output Delay
CLK Low to CS/LD Low
G
40
0
40
40
50
40
20
60
0
60
60
80
60
30
ns
ns
ns
ns
ns
ns
ns
ns
ns
G
G
G
G
G
G
C
LOAD
= 15pF
G
150
220
G
20
30
The
G
denotes specifications which apply over the full operating
temperature range.
Note 1:
Nonlinearity is defined from the first code that is greater than or
equal to the maximum offset specification to code 4095 (full scale).
Note 2:
Load is 5k
in parallel with 100pF.
Note 3:
DAC switched between all 1s and the code corresponding to V
OS
for the part.
Note 4:
Digital inputs at 0V or V
CC
.
相關(guān)PDF資料
PDF描述
LTC1454C Automotive Catalog Quad Micropower LinCMOS(TM) Voltage Comparators 14-SOIC -40 to 125
LTC1454I Low-Power LinCMOS(TM) Quad Comparator with Totem Pole Output 20-LCCC -55 to 125
LTC1454LIN Dual 12-Bit Rail-to-Rail Micropower DACs
LTC1454LIS Dual 12-Bit Rail-to-Rail Micropower DACs
LTC1454 Dual 12-Bit Rail-to-Rail Micropower DACs(5V,雙路12位滿幅度微功耗電壓輸出數(shù)模轉(zhuǎn)換器)
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