參數(shù)資料
型號: LTC1667IG
廠商: LINEAR TECHNOLOGY CORP
元件分類: DAC
英文描述: 12-Bit, 14-Bit, 16-Bit, 50Msps DACs
中文描述: PARALLEL, WORD INPUT LOADING, 0.02 us SETTLING TIME, 14-BIT DAC, PDSO28
封裝: 5.30 MM, PLASTIC, SSOP-28
文件頁數(shù): 4/24頁
文件大?。?/td> 888K
代理商: LTC1667IG
4
LTC1666/LTC1667/LTC1668
The
G
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
DD
= 5V, V
SS
= –5V, LADCOM = AGND = DGND = 0V, I
OUTFS
= 10mA.
ELECTRICAL CHARACTERISTICS
LTC1666/LTC1667/LTC1668
MIN
TYP
SYMBOL
Analog Output
I
OUTFS
PARAMETER
CONDITIONS
MAX
UNITS
Full-Scale Output Current
Output Compliance Range
Output Resistance; R
IOUT A
, R
IOUT B
Output Capacitance
Reference Output
Reference Voltage
Reference Output Drift
Reference Output Load Regulation
G
1
–1
0.7
10
1
1.5
mA
I
FS
= 10mA
I
OUT A, B
to LADCOM
G
V
G
1.1
5
k
pF
REFOUT Tied to I
REFIN
Through 2k
2.475
2.5
25
6
2.525
V
ppm/
°
C
mV/mA
I
LOAD
= 0mA to 5mA
Reference Input
Reference Small-Signal Bandwidth
I
FS
= 10mA, C
COMP1
= 0.1
μ
F
20
kHz
Power Supply
V
DD
V
SS
I
DD
I
SS
P
DIS
Positive Supply Voltage
Negative Supply Voltage
Positive Supply Current
Negative Supply Current
Power Dissipation
G
4.75
–4.75
5
5.25
–5.25
5
40
V
V
G
–5
3
33
180
85
I
FS
= 10mA, f
CLK
= 25Msps, f
OUT
= 1MHz
I
FS
= 10mA, f
CLK
= 25Msps, f
OUT
= 1MHz
I
FS
= 10mA, f
CLK
= 25Msps, f
OUT
= 1MHz
I
FS
= 1mA, f
CLK
= 25Msps, f
OUT
= 1MHz
G
mA
mA
mW
mW
G
Dynamic Performance (Differential Transformer Coupled Output, 50
Double Terminated, Unless Otherwise Noted)
f
CLOCK
Maximum Update Rate
t
S
Output Settling Time
To 0.1% FSR
t
PD
Output Propagation Delay
Glitch Impulse
Single Ended
Differential
t
r
Output Rise Time
t
f
Output Fall Time
i
NO
Output Noise
Digital Input
s
V
IH
Digital High Input Voltage
V
IL
Digital Low Input Voltage
I
IN
Digital Input Current
C
IN
Digital Input Capacitance
t
DS
Input Setup Time
t
DH
Input Hold Time
t
CLKH
Clock High Time
t
CLKL
Clock Low Time
G
50
75
20
8
15
5
4
4
50
Msps
ns
ns
pV-s
pV-s
ns
ns
pA/
Hz
G
2.4
V
V
G
0.8
±
10
G
μ
A
pF
ns
ns
ns
ns
5
G
8
4
5
8
G
G
G
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2:
For the LTC1666,
±
1LSB =
±
0.024% of full scale;
for the LTC1667,
±
1LSB =
±
0.006% of full scale =
±
61ppm of full scale;
for the LTC1668,
±
1LSB =
±
0.0015% of full scale =
±
15.3ppm of full scale.
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