參數(shù)資料
型號(hào)： 5962-9169201Q3C
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： ADC
英文描述： 2-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CQCC28
封裝： CERAMIC, LCC-28
文件頁(yè)數(shù)： 18/23頁(yè)
文件大?。?/td> 364K
代理商： 5962-9169201Q3C
Typical Operating Characteristics
(Typical application circuit, V+ = 3.3V, LED forward voltage = 2.4V, scan limit set to 4 digits, TA = +25°C, unless otherwise noted.)
MAX6953
2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 7
Matrix LED Display Driver
4
_______________________________________________________________________________________
MAX6953 TIMING CHARACTERISTICS (continued)
(V+ = 2.7V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Fall Time of SDA Transmitting
tF
(Notes 2, 5)
20 +
0.1CB
250
ns
Pulse Width of Spike Suppressed
tSP
(Note 6)
0
50
ns
Capacitive Load for Each
Bus Line
CB
(Note 2)
400
pF
Note 1: All parameters tested at TA = +25°C. Specifications over temperature are guaranteed by design.
Note 2: Guaranteed by design.
Note 3: A master device must provide a hold time of at least 300ns for the SDA signal (referred to VIL of the SCL signal) in order to
bridge the undefined region of SCL’s falling edge.
Note 4: CB = total capacitance of one bus line in pF. tR and tF measured between 0.3V+ and 0.7V+.
Note 5: ISINK ≤ 6mA. CB = total capacitance of one bus line in pF. tR and tF measured between 0.3V+ and 0.7V+.
Note 6: Input filters on the SDA and SCL inputs suppress noise spikes less than 50ns.
3.80
3.90
4.10
4.00
4.20
4.30
-40
0
-20
20
40
60
80
INTERNAL OSCILLATOR
FREQUENCY vs. TEMPERATURE
MAX6953
toc01
TEMPERATURE (°C)
OSCILLATOR
FREQUENCY
(MHz)
V+ = 3.3V
V+ = 2.7V
V+ = 5V
INTERNAL OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
MAX6953
toc02
SUPPLY VOLTAGE (V)
OSCILLATOR
FREQUENCY
(MHz)
4.5
3.5
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
3.6
2.5
5.5
0
0.5
1.5
1.0
2.0
2.5
0
400
200
600
800
INTERNAL OSCILLATOR
WAVEFORM AT OSC (PIN 19 OR 21)
MAX6953
toc03
TIMELINE (ns)
VOLTAGE
AT
OSC
(V)
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