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參數(shù)資料
| 型號(hào)： | ISL22446UFRT20Z |
| 廠商： | Intersil |
| 文件頁數(shù)： | 12/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT DGTL 128TP LN LP 20-TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Solutions for Industrial Control Applications |
| 標(biāo)準(zhǔn)包裝： | 75 |
| 系列： | XDCP™ |
| 接片： | 128 |
| 電阻（歐姆）： | 50k |
| 電路數(shù)： | 4 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 ±80 ppm/°C |
| 存儲(chǔ)器類型： | 非易失 |
| 接口： | 4 線 SPI（芯片選擇） |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 20-TQFN（4x4） |
| 包裝： | 管件 |
6
FN6181.2
September 9, 2009
tHO
SDO Output Hold Time
0
ns
tRO
SDO Output Rise Time
Rpu = 2k, Cb = 30pF
60
ns
tFO
SDO Output Fall Time
Rpu = 2k, Cb = 30pF
60
ns
tCS
CS Deselect Time
2s
NOTES:
5. Typical values are for TA = +25°C and 3.3V supply voltage.
6. LSB: [V(RW)127 – V(RW)0]/127. V(RW)127 and V(RW)0 are V(RW
incremental voltage when changing from one tap to an adjacent tap.
7. ZS error = V(RW)0/LSB.
8. FS error = [V(RW)127 – VCC]/LSB.
9. DNL = [V(RW)i – V(RW)i-1]/LSB-1, for i = 1 to 127. i is the DCP register setting.
10. INL = [V(RW)i – i LSB – V(RW)]/LSB for i = 1 to 127
11. VMATCH = [V(RWx)i – V(RWy)i]/LSB, for i = 1 to 127, x = 0 to 3 and y = 0 to 3.
12.
for i = 16 to 112 decimal, T = -40°C to +125°C. Max( ) is the maximum value of the wiper
voltage and Min ( ) is the minimum value of the wiper voltage over the temperature
range.
13. MI =
|RW127 – RW0|/127. MI is a minimum increment. RW127 and RW0 are the measured resistances for the DCP register set to 7F hex and 00
hex respectively.
14. Roffset = RW0/MI, when measuring between RW and RL.
Roffset = RW127/MI, when measuring between RW and RH.
15. RDNL = (RWi – RWi-1)/MI -1, for i = 16 to 127.
16. RINL = [RWi – (MI i) – RW0]/MI, for i = 16 to 127.
17. RMATCH = (RWi,x – RWi,y)/MI, for i = 1 to 127, x = 0 to 3 and y = 0 to 3.
18.
for i = 16 to 112, T = -40°C to +125°C. Max( ) is the maximum value of the resistance and Min ( ) is
the minimum value of the resistance over the temperature range.
19. tWC is the time from the end of a Write sequence of SPI serial interface, to the end of the self-timed internal non-volatile write cycle.
20. Rpu is specified for the highest data rate transfer for the device. Higher value pullup can be used at lower data rates.
21. Limits should be considered typical and are not production tested.
22. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
Operating Specifications Over the recommended operating conditions, unless otherwise specified. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 22)
TYP
(Note 5)
MAX
(Note 22)
UNIT
TC
V
Max V RW
()
i
() Min V RW
()
i
()
–
Max V RW
()
i
() Min V RW
()
i
()
+
[] 2
----------------------------------------------------------------------------------------------
106
+165°C
--------------------------
×
=
TC
R
Max Ri
() Min Ri
()
–
[]
Max Ri
() Min Ri
()
+
[] 2
----------------------------------------------------------------
10
6
+165°C
---------------------
×
=
ISL22446
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| ISL22446UFV20Z | 功能描述:數(shù)字電位計(jì) IC 128 TAP FL RNG IND QD DCP 20LD RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| ISL22446UFV20Z-TK | 功能描述:數(shù)字電位計(jì) IC 128 TAP FL RNG IND QD DCP 20LD RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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