參數(shù)資料
型號(hào): LTC1665
廠商: Linear Technology Corporation
英文描述: Micropower Octal 8-Bit and 10-Bit DACs
中文描述: 微八進(jìn)制8位和10位DAC
文件頁(yè)數(shù): 3/16頁(yè)
文件大?。?/td> 209K
代理商: LTC1665
3
LTC1665/LTC1660
ELECTRICAL C
The
G
denotes specifications which apply over the full operating temperature range, otherwise specifications
are at T
A
= 25
°
C. V
CC
= 2.7V to 5.5V, V
REF
V
CC
, V
OUT
unloaded, unless otherwise noted.
HARA TERISTICS
TIW
range, otherwise specifications are at T
A
= 25
°
C. (See Figure 1)
SYMBOL
PARAMETER
V
CC
= 4.5V to 5.5V
t
1
D
IN
Valid to SCK Setup
t
2
D
IN
Valid to SCK Hold
t
3
SCK High Time
t
4
SCK Low Time
t
5
CS/LD Pulse Width
t
6
LSB SCK High to CS/LD High
t
7
CS/LD Low to SCK High
t
8
D
OUT
Propagation Delay
t
9
SCK Low to CS/LD Low
t
10
CLR Pulse Width
t
11
CS/LD High to SCK Positive Edge
SCK Frequency
The
G
denotes specifications which apply over the full operating temperature
SYMBOL
DC Performance
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Short-Circuit Current Low
Short-Circuit Current High
AC Performance
Voltage Output Slew Rate
V
OUT
= 0V, V
CC
= 5.5V, V
REF
= 5.1V, Code = Full Scale
V
OUT
= V
CC
= 5.5V, V
REF
= 5.1V, Code = 0
G
10
10
30
27
100
120
mA
mA
G
Rising (Notes 4, 5)
Falling (Notes 4, 5)
To
±
0.5LSB (Notes 4, 5)
0.60
0.25
30
1000
V/
μ
s
V/
μ
s
μ
s
pF
Voltage Output Settling Time
Capacitive Load Driving
Digital I/O
V
IH
Digital Input High Voltage
V
CC
= 2.7V to 5.5V
V
CC
= 2.7V to 3.6V
V
CC
= 4.5V to 5.5V
V
CC
= 2.7V to 5.5V
I
OUT
= –1mA, D
OUT
Only
I
OUT
= 1mA, D
OUT
Only
V
IN
= GND to V
CC
(Note 6)
G
G
2.4
2.0
V
V
V
V
V
V
V
IL
Digital Input Low Voltage
G
G
0.8
0.6
V
OH
V
OL
I
LK
C
IN
Digital Output High Voltage
Digital Output Low Voltage
Digital Input Leakage
Digital Input Capacitance
G
V
CC
– 1
G
0.4
±
10
10
G
μ
A
pF
G
CONDITIONS
MIN
TYP
MAX
UNITS
G
40
0
30
30
80
30
80
5
20
100
30
15
–11
5
7
30
4
26
26
0
37
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
G
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
C
LOAD
= 15pF (Note 6)
(Note 6)
(Note 6)
(Note 6)
Continuous Square Wave (Note 6)
Continuous 23% Duty Cycle Pulse (Note 6)
Gated Square Wave (Note 6)
G
G
G
G
G
G
80
G
G
G
G
G
G
5.00
7.69
16.7
MHz
MHz
MHz
V
CC
= 2.7V to 5.5V
t
1
t
2
t
3
t
4
t
5
D
IN
Valid to SCK Setup
D
IN
Valid to SCK Hold
SCK High Time
SCK Low Time
CS/LD Pulse Width
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
G
60
0
50
50
100
20
–14
8
12
30
ns
ns
ns
ns
ns
G
G
G
G
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