DS3508 データシートの表示（PDF） - Maxim Integrated
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DS3508 Datasheet PDF : 14 Pages
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I2C, 8-Channel Gamma Buffer with EEPROM
I2C ELECTRICAL CHARACTERISTICS (continued)
(VCC = +2.7V to +5.5V, TA = -45°C to +95°C, timing referenced to VIL(MAX) and VIH(MIN).) (Figure 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
SDA Output Low Voltage
4mA sink current
VOL
6mA sink current
Input Capacitance on
A0, SDA, or SCL
CI
TYP
5
MAX
0.4
0.6
UNITS
V
10
pF
NONVOLATILE MEMORY CHARACTERISTICS
(VCC = +2.7V to +5.5V)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
EEPROM Write Cycles
TA = +70°C
50,000
Writes
Note 1: All voltages referenced to ground.
Note 2: Analog supply current specified with no load on GMx outputs.
Note 3: ISTBY specified for the inactive state measured with SDA = SCL = VCC.
Note 4: INL = [V(GMx)i - (V(GMx)0]/LSB(ideal) - i, for i = 0 to 254.
Note 5: DNL = [V(GMx)i+1 - (V(GMx)i]/LSB(ideal) - 1, for i = 0 to 255.
Note 6: DAC code = 80h.
Note 7: Outputs unloaded.
Note 8: VHH = 12.0V, VHM = 8.75V, VLM = 6.75V, VLL = 0.5V.
Note 9: Timing shown is for fast-mode (400kHz) operation. This device is also backward compatible with I2C standard mode.
Note 10: CB—Total capacitance of one bus line in picofarads.
Note 11: EEPROM write begins after a STOP condition occurs.
(VDD = 15.0V, VCC = 5.0V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
DIGITAL SUPPLY STANDBY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
10
SDA = SCL = VCC
9
8
7
6
5
4
3
2
1
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
VCC (V)
DIGITAL SUPPLY STANDBY CURRENT
vs. TEMPERATURE
10
VCC = 5.5V
9 SDA = SCL = VCC
8
7
6
5
4
3
2
1
0
-45 -25 -5 15 35 55 75 95
TEMPERATURE (°C)
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
8
10
12
14
16
VDD (V)
4 _______________________________________________________________________________________
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