Datasheet

DC Electrical Characteristics: Sample/Hold
(V
DD
= 2.85V to 3.63V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
DD
= 3.3V, T
A
= +25°C.) (Note 1)
DC Electrical Characteristics: Flash Memory
(V
DD
= 2.85V to 3.63V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
DD
= 3.3V, T
A
= +25°C.) (Note 1)
Electrical Characteristics: I
2
C-Compatible Interface
(V
DD
= 2.85V to 3.63V, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 1) (See Figure 1.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Sample/Hold Input Range V
SHP
ADC-SHN[1:0] = GND 1 V
Sample/Hold Capacitance C
SH
ADC-SHP[1:0] to ADC-SHN[1:0] 5 pF
Sample Input Leakage I
SHLKG
ADC-SHP[1:0] and ADC-SHN[1:0] 1.2 µA
Sample Time t
s
ADC-SHP[1:0] and ADC-SHN[1:0]
connected to 50Ω voltage source
300 ns
Sample Conversion Complete t
h
(Note 13) 320 µs
Sample Offset V
SH-OFF
Measured at 10mV -10 -1.6 7 mV
Sample Error ERR
SH
V
ADC-SHP_
to V
ADC-SHN_
= 300mV,
t
s
= 300ns, driven with 50Ω voltage
source
-4 +4 %
Sample Discharge Strength R
DIS
ADC-SHP[1:0] or ADC-SHN[1:0] to GND 50 Ω
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Flash Erase Time (Note 14)
t
ME
Mass erase 25
ms
t
PE
Page erase 25
Flash Programming Time per Word t
PROG
(Notes 14, 15) 75 µs
Flash Programming Temperature T
FLASH
-40 +85 °C
Flash Endurance n
FLASH
T
A
= +50°C (Note 7) 20,000
Write
Cycles
Data Retention t
RET
T
A
= +50°C (Note 7) 100 Years
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SCL/MSCL Clock Frequency f
SCL
Timeout not enabled 400 kHz
SCL Bootloader Clock Frequency f
SCL:BOOT
100 kHz
Bus Free Time Between a STOP
and START Condition
t
BUF
1.3 µs
Hold Time (Repeated)
START Condition
t
HD:STA
(Note 16) 0.6 µs
Low Period of SCL/MSCL Clock t
LOW
1.3 µs
High Period of SCL/MSCL Clock t
HIGH
0.6 µs
Setup Time for a (Repeated)
START Condition
t
SU:STA
0.6 µs
Data Hold Time (Note 17) t
HD:DAT
Receive 0
ns
Transmit 300
DS4830A Optical Microcontroller
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