參數(shù)資料
型號： MAX5822LEUA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： DAC
英文描述： Dual, 12-Bit, Low-Power, 2-Wire, Serial Voltage-Output DAC
中文描述： SERIAL INPUT LOADING, 4 us SETTLING TIME, 12-BIT DAC, PDSO8
封裝： MINIATURE, MICRO MAX PACKAGE-8
文件頁數(shù)： 3/13頁
文件大?。?/td> 287K
代理商： MAX5822LEUA
M
Dual, 12-Bit, Low-Power, 2-Wire, Serial
Voltage-Output DAC
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +5.5V, GND = 0, V
REF
= V
DD
, R
L
= 5k
, C
L
= 200pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are
at V
DD
= +5V, T
A
= +25
°
C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Hysteresis
0.05
V
DD
V
Input Leakage Current
Input Capacitance
DIGITAL OUTPUT (SDA)
Output Logic Low Voltage
Three-State Leakage Current
Three-State Output Capacitance
DYNAMIC PERFORMANCE
Voltage-Output Slew Rate
Digital inputs = 0 or V
DD
±
0.1
6
±
1
μA
pF
V
OL
I
L
I
SINK
= 3mA
Digital inputs = 0 or V
DD
0.4
±
1
V
μA
pF
±
0.1
6
SR
0.5
V/μs
Voltage-Output Settling Time
To 1/2LSB code 400 hex to C00 hex or
C00 hex to 400 hex (Note 5)
4
12
μs
Digital Feedthrough
Code = 000 hex, digital inputs from 0 to V
DD
Major carry transition (code = 7FF hex to 800
hex and 800 hex to 7FF hex)
0.2
nV-s
Digital-to-Analog Glitch Impulse
12
nV-s
DAC to DAC Crosstalk
POWER SUPPLIES
Supply Voltage Range
2.4
nV-s
V
DD
2.7
5.5
205
215
1
V
μA
All digital inputs at 0 or V
DD
= 3.6V
All digital inputs at 0 or V
DD
= 5.5V
All digital inputs at 0 or V
DD
= 5.5V
115
135
0.3
Supply Current with No Load
I
DD
Power-Down Supply Current
TIMING CHARACTERISTICS (FIGURE 1)
Serial Clock Frequency
I
DDPD
μA
f
SCL
0
400
kHz
Bus Free Time Between STOP
and START Conditions
t
BUF
1.3
μs
START Condition Hold Time
SCL Pulse Width Low
SCL Pulse Width High
Repeated START Setup Time
Data Hold Time
Data Setup Time
t
HD
,
STA
t
LOW
t
HIGH
t
SU
,
STA
t
HD
,
DAT
t
SU
,
DAT
0.6
1.3
0.6
0.6
0
100
μs
μs
μs
μs
μs
ns
0.9
SDA and SCL Receiving
Rise Time
t
r
(Note 5)
0
300
ns
SDA and SCL Receiving
Fall Time
t
f
(Note 5)
0
300
ns
SDA Transmitting Fall Time
t
f
(Note 5)
20 +
0.1C
b
250
ns
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