参数资料
型号: MAX5487EUD+T
厂商: Maxim Integrated Products
文件页数: 7/13页
文件大小: 0K
描述: IC POT DGTL DUAL 256-TAP 14TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
接片: 256
电阻(欧姆): 10k
电路数: 2
温度系数: 标准值 35 ppm/°C
存储器类型: 非易失
接口: 3 线串行(芯片选择)
电源电压: 2.7 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 14-TSSOP
包装: 带卷 (TR)
MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
_______________________________________________________________________________________
3
DC ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +5.25V, VH = VDD, VL = GND, TA = -40
°C to +85°C, unless otherwise noted. Typical values are at VDD = +5.0V,
TA = +25
°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIGITAL INPUTS
VDD = 3.6V to 5.25V
2.4
Input High Voltage (Note 5)
VIH
VDD = 2.7V to 3.6V
0.7 x
VDD
V
Input Low Voltage
VIL
VDD = 2.7V to 5.25V (Note 5)
0.8
V
Input Leakage Current
IIN
±1.0
A
Input Capacitance
CIN
5.0
pF
AC PERFORMANCE
Crosstalk
fH_ = 1kHz, L_ = GND, measurement at W_
(Note 6)
-90
dB
MAX5487
350
MAX5488
90
-3dB Bandwidth
BW
Wiper at midscale
CW_ = 10pF
MAX5489
45
kHz
Total Harmonic Distortion
THD
VH_ = 1VRMS at 1kHz, L_ = GND,
measurement at W_
0.02
%
TIMING CHARACTERISTICS (Analog)
MAX5487
0.5
MAX5488
0.75
Wiper-Settling Time
tS
Code 0 to 127
(Note 7)
MAX5489
1.5
s
TIMING CHARACTERISTICS (Digital, Figure 2, Note 8)
SCLK Frequency
5
MHz
SCLK Clock Period
tCP
200
ns
SCLK Pulse-Width High
tCH
80
ns
SCLK Pulse-Width Low
tCL
80
ns
CS Fall to SCLK Rise Setup
tCSS
80
ns
SCLK Rise to
CS Rise Hold
tCSH
0ns
DIN to SCLK Setup
tDS
50
ns
DIN Hold after SCLK
tDH
0ns
SCLK Rise to
CS Fall Delay
tCS0
20
ns
CS Rise to SCLK Rise Hold
tCS1
80
ns
CS Pulse-Width High
tCSW
200
ns
Write NV Register Busy Time
tBUSY
12
ms
Read NV Register Access Time
tACC
1s
Write Wiper Register to Output Delay
tWO
1s
NONVOLATILE MEMORY RELIABILITY
Data Retention
TA = +85°C
50
Years
TA = +25°C
200,000
Endurance
TA = +85°C
50,000
Stores
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