VDD = V
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� AD5259BRMZ5
寤犲晢锛� Analog Devices Inc
鏂囦欢闋佹暩(sh霉)锛� 20/24闋�
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC POT DGTL 5K 256POS 10-MSOP
妯欐簴鍖呰锛� 50
鎺ョ墖锛� 256
闆婚樆锛堟瓙濮嗭級锛� 5k
闆昏矾鏁�(sh霉)锛� 1
婧害绯绘暩(sh霉)锛� 妯欐簴鍊� 500 ppm/°C
瀛樺劜鍣ㄩ鍨嬶細 闈炴槗澶�
鎺ュ彛锛� I²C锛堣ō鍌欎綅鍧€锛�
闆绘簮闆诲锛� 2.7 V ~ 3.3 V锛�4.5 V ~ 5.5 V
宸ヤ綔婧害锛� -40°C ~ 85°C
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 10-TFSOP锛�10-MSOP锛�0.118"锛�3.00mm 瀵級
渚涙噳鍟嗚ō鍌欏皝瑁濓細 10-MSOP
鍖呰锛� 绠′欢
鐢㈠搧鐩寗闋侀潰锛� 787 (CN2011-ZH PDF)
閰嶇敤锛� AD5259EVAL-ND - BOARD EVAL FOR AD5259 DGTL POT
Data Sheet
AD5259
Rev. C | Page 5 of 24
TIMING CHARACTERISTICS
VDD = VLOGIC = 5 V 卤 10% or 3 V 卤 10%; VA = VDD; VB = 0 V; 40掳C < TA < +125掳C, unless otherwise noted.
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
I2C INTERFACE TIMING
CHARACTERISTICS1
SCL Clock Frequency
fSCL
0
400
kHz
tBUF Bus Free Time Between Stop
and Start
t1
1.3
渭s
tHD;STA Hold Time (Repeated Start)
t2
After this period, the first clock pulse is
generated.
0.6
渭s
tLOW Low Period of SCL Clock
t3
1.3
渭s
tHIGH High Period of SCL Clock
t4
0.6
渭s
tSU;STA Setup Time for Repeated
Start Condition
t5
0.6
渭s
tHD;DAT Data Hold Time
t6
0
0.9
渭s
tSU;DAT Data Setup Time
t7
100
ns
tF Fall Time of Both SDA and
SCL Signals
t8
300
ns
tR Rise Time of Both SDA and
SCL Signals
t9
300
ns
tSU;STO Setup Time for Stop Condition
t10
0.6
渭s
EEPROM Data Storing Time
tEEMEM_STORE
26
ms
EEPROM Data Restoring Time at
Power On2
tEEMEM_RESTORE1
VDD rise time dependent. Measure without
decoupling capacitors at VDD and GND.
300
渭s
EEPROM Data Restoring Time upon
Restore Command2
tEEMEM_RESTORE2
VDD = 5 V.
300
渭s
EEPROM Data Rewritable Time3
tEEMEM_REWRITE
540
渭s
FLASH/EE MEMORY RELIABILITY
100
700
kCycles
100
Years
1 Standard I2C mode operation guaranteed by design.
2 During power-up, the output is momentarily preset to midscale before restoring EEPROM content.
3 Delay time after power-on PRESET prior to writing new EEPROM data.
4 Endurance is qualified to 100,000 cycles per JEDEC Std. 22 method A117, and is measured at 鈥�40掳C, +25掳C, and +125掳C; typical endurance at +25掳C is 700,000 cycles.
5 Retention lifetime equivalent at junction temperature (TJ) = 55掳C per JEDEC Std. 22, Method A117. Retention lifetime based on an activation energy of 0.6 eV derates
with junction temperature.
05026-004
t1
t2
t3
t8
t9
t6
t4
t7
t5
t2
t10
PS
S
SCL
SDA
P
Figure 4. I2C Interface Timing Diagram
鐩搁棞PDF璩囨枡
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AD5259BRMZ50 鍔熻兘鎻忚堪:IC POT DGTL 50K 256POS 10-MSOP RoHS:鏄� 椤炲垾:闆嗘垚闆昏矾 (IC) >> 鏁�(sh霉)鎿�(j霉)閲囬泦 - 鏁�(sh霉)瀛楅浕浣嶅櫒 绯诲垪:- 妯欐簴鍖呰:3,300 绯诲垪:WiperLock™ 鎺ョ墖:257 闆婚樆锛堟瓙濮嗭級:100k 闆昏矾鏁�(sh霉):1 婧害绯绘暩(sh霉):妯欐簴鍊� 150 ppm/°C 瀛樺劜鍣ㄩ鍨�:鏄撳け 鎺ュ彛:3 绶� SPI锛堣姱鐗囬伕鎿囷級 闆绘簮闆诲:1.8 V ~ 5.5 V 宸ヤ綔婧害:-40°C ~ 125°C 瀹夎椤炲瀷:琛ㄩ潰璨艰 灏佽/澶栨:8-VDFN 瑁搁湶鐒婄洡 渚涙噳鍟嗚ō鍌欏皝瑁�:8-DFN-EP锛�3x3锛� 鍖呰:甯跺嵎 (TR)
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