参数资料
| 型号： | ISL22414WFU10Z-T7A |
| 厂商： | Intersil |
| 文件页数： | 13/16页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 256POS 10K 10MSOP |
| 标准包装： | 250 |
| 系列： | XDCP™ |
| 接片： | 256 |
| 电阻（欧姆）： | 10k |
| 电路数： | 1 |
| 温度系数： | 标准值 ±150 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | 4 线 SPI（芯片选择） |
| 电源电压： | ±2.25 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 带卷 (TR) |
6
FN6424.1
December 16, 2010
Rpu
(Note 17)
SDO Pull-up Resistor Off-chip
Maximum is determined by tRO and tFO with
maximum bus load Cb = 30pF, fSCK = 5MHz
2
k
Ω
Cpin
SCK, SDI, SDO and CS Pin
Capacitance
10
pF
fSCK
SPI Frequency
5
MHz
tCYC
SPI Clock Cycle Time
200
ns
tWH
SPI Clock High Time
100
ns
tWL
SPI Clock Low Time
100
ns
tLEAD
Lead Time
250
ns
tLAG
Lag Time
250
ns
tSU
SDI, SCK and CS Input Setup Time
50
ns
tH
SDI, SCK and CS Input Hold Time
50
ns
tRI
SDI, SCK and CS Input Rise Time
10
ns
tFI
SDI, SCK and CS Input Fall Time
10
20
ns
tDIS
SDO output Disable Time
0
100
ns
tSO
SDO Output Setup Time
50
ns
tV
SDO Output Valid Time
150
ns
tHO
SDO Output Hold Time
0
ns
tRO
SDO Output Rise Time
Rpu = 2k, Cbus = 30pF
60
ns
tFO
SDO Output Fall Time
Rpu = 2k, Cbus = 30pF
60
ns
tCS
CS Deselect Time
2
s
NOTES:
4. Typical values are for TA = +25°C and 3.3V supply voltage.
5. LSB: [V(RW)255 – V(RW)0]/255. V(RW)255 and V(RW)0 are V(RW) for the DCP register set to FF hex and 00 hex respectively. LSB is the
incremental voltage when changing from one tap to an adjacent tap.
6. ZS error = V(RW)0/LSB.
7. FS error = [V(RW)255 – VCC]/LSB.
8. DNL = [V(RW)i – V(RW)i-1]/LSB-1, for i = 1 to 255. i is the DCP register setting.
9. INL = [V(RW)i – i LSB – V(RW)]/LSB for i = 1 to 255
10.
for i = 16 to 255 decimal, T = -40°C to +125°C or T = -55°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.
11. MI =
|RW255 – RW0|/255. MI is a minimum increment. RW255 and RW0 are the measured resistances for the DCP register set to FF hex and
00 hex respectively.
12. Roffset = RW0/MI, when measuring between RW and RL.
Roffset = RW255/MI, when measuring between RW and RH.
13. RDNL = (RWi – RWi-1)/MI -1, for i = 1 to 255.
14. RINL = [RWi – (MI i) – RW0]/MI, for i = 1 to 255.
15.
for i = 16 to 255, T = -40°C to +125°C or T = -55°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.
16. 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.
17. Rpu is specified for the highest data rate transfer for the device. Higher value pull-up can be used at lower data rates.
18. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
Operating Specifications Over the recommended operating conditions unless otherwise specified. Boldface limits apply over the
operating temperature range. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 18)
TYP
(Note 4)
MAX
(Note 18)
UNIT
TCV
Max V RW
()
i
() Min V RW
()
i
()
–
Max V RW
()
i
() Min V RW
()
i
()
+
[] 2
----------------------------------------------------------------------------------------------
10
6
ΔT°C
---------------
×
=
TCR
Max Ri
() Min Ri
()
–
[]
Max Ri
() Min Ri
()
+
[] 2
----------------------------------------------------------------
10
6
ΔT°C
---------------
×
=
ISL22414
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