参数资料
| 型号： | ISL22446WFRT20Z |
| 厂商： | Intersil |
| 文件页数： | 12/15页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL 128TP LN LP 20-TQFN |
| 产品培训模块： | Solutions for Industrial Control Applications |
| 标准包装： | 75 |
| 系列： | XDCP™ |
| 接片： | 128 |
| 电阻（欧姆）： | 10k |
| 电路数： | 4 |
| 温度系数： | 标准值 ±50 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | 4 线 SPI（芯片选择） |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN（4x4） |
| 包装： | 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) for the DCP register set to 7F hex and 00 hex respectively. LSB is the
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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