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參數(shù)資料
| 型號： | MAX521ACAG |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | DAC |
| 英文描述： | Dual Differential Drivers and Receivers With +/-15-kV IEC ESD Protection 16-SO -40 to 85 |
| 中文描述： | SERIAL INPUT LOADING, 6 us SETTLING TIME, 8-BIT DAC, PDSO24 |
| 封裝： | SSOP-24 |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 274K |
| 代理商： | MAX521ACAG |
M
Quad/Oc tal, 2-Wire S erial 8-Bit DACs
with Rail-to-Rail Outputs
_______________________________________________________________________________________
5
Note 8:
A master device must provide a hold time of at least 300ns for the SDA signal (referred to V
IL
of the SCL signal) in order to
bridge the undefined region of SCL’s falling edge.
Note 9:
Cb = total capacitance of one bus line in pF. t
R
and t
f
measured between 0.3V
DD
and 0.7V
DD
.
Note 10:
An input filter on the SDA and SCL input suppresses noise spikes less than 50ns.
Note 11:
Guaranteed by design.
Hold Time, (Repeated) Start Condition
Low Period of the SCL Clock
High Period of the SCL Clock
Setup Time for a Repeated START Condition
Data Hold Time
Data Setup Time
Rise Time of Both SDA and SCL Signals, Receiving
Fall Time of Both SDA and SCL Signals, Receiving
t
HD, STA
t
LOW
t
HIGH
t
SU, STA
t
HD, DAT
t
SU, DAT
t
R
t
F
0.6
1.3
0.6
0.6
0
100
μs
μs
μs
μs
μs
ns
ns
ns
PARAMETER
SYMBOL
f
SCL
MIN
0
TYP
MAX
400
UNITS
kHz
Serial Clock Frequency
Bus Free Time Between a STOP and a
START Condition
t
BUF
1.3
μs
CONDITIONS
0.9
(Note 8)
Fall Time of SDA Transmitting (Note 6)
Setup Time for STOP Condition
Capacitive Load for Each Bus Line
Pulse Width of Spike Suppressed
t
F
20 + 0.1Cb
0.6
250
ns
μs
pF
ns
t
SU, STO
Cb
t
SP
400
50
I
SINK
≤
6mA (Note 9)
20 + 0.1Cb
20 + 0.1Cb
300
300
(Note 9)
(Note 9)
0
(Notes 10, 11)
TIMING CHARACTERISTICS
(V
DD
= 5V ±10%, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
__________________________________________Typic al Operating Charac teristic s
(V
DD
= 5V, DAC outputs unloaded, T
A
= +25°C, unless otherwise noted.)
10
9
0
-60
-30
30
90
120
150
MAX520
SUPPLY CURRENT vs. TEMPERATURE
2
1
8
7
M
TEMPERATURE (°C)
I
D
μ
A
0
60
6
5
4
3
OPERATING MODE OR
SHUTDOWN MODE
40
0
-60
-30
30
90
120
150
MAX520
REFERENCE INPUT CURRENT vs.
TEMPERATURE (SHUTDOWN MODE)
5
35
30
M
TEMPERATURE (°C)
S
0
60
25
20
15
10
V
REF
= 4V
ONE REF INPUT DRIVEN
0
1k
100k
10k
1M
10M
MAX520
REFERENCE VOLTAGE INPUT
FREQUENCY RESPONSE
-16
-18
M
FREQUENCY (Hz)
R
-14
-12
-10
-8
-6
-4
-2
2
V
DD
= 5V
V
= 4Vp-p SINE WAVE
CENTERED AT 2.5V
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