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参数资料
| 型号： | MAX5389NAUD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/13页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 256POS 100K 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）： | 100k |
| 电路数： | 2 |
| 温度系数： | 标准值 35 ppm/°C |
| 存储器类型： | 易失 |
| 接口： | 6 线串行（芯片选择，递增，增/减） |
| 电源电压： | 2.6 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°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) |
_______________________________________________________________________________________ 3
MAX5389
Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.6V to +5.5V, VH_ = VDD, VL_ = 0, TA = -40NC to +125NC, unless otherwise noted. Typical values are at VDD = +5V,
TA = +25NC.) (Note 1)
Note 1: All devices are 100% production tested at TA = +25NC. Specifications over temperature limits are guaranteed by design
and characterization.
Note 2: DNL and INL are measured with the potentiometer configured as a voltage-divider (Figure 1) with H_ = VDD and L_ = GND.
The wiper terminal is unloaded and measured with a high-input-impedance voltmeter.
Note 3: R-DNL and R-INL are measured with the potentiometer configured as a variable resistor (Figure 1). DNL and INL are mea-
sured with potentiometer configured as a variable resistor. H_ is unconnected and L_ = GND. For VDD = +5V, the wiper
terminal is driven with a source current of 400A for the 10kω configuration, 80A for the 50kω configuration, and 40A for
the 100kω configuration. For VDD = +2.6V, the wiper terminal is driven with a source current of 200A for the 10kω configu-
ration, 40A for the 50kω configuration, and 20A for the 100kω configuration.
Note 4: The wiper resistance is the worst value measured by injecting the currents given in Note 3 into W_ with L_ = GND. RW =
(VW - VH)/IW.
Note 5: Drive HA with a 1kHz, GND to VDD amplitude, tone. LA = LB = GND. No load. WB is at midscale with a 10pF load. Measure
WB.
Note 6: The wiper-settling time is the worst case 0 to 50% rise time, measured between tap 0 and tap 127. H_ = VDD, L_ = GND,
and the wiper terminal is loaded with 10pF capacitance to ground.
Note 7: Digital timing is guaranteed by design and characterization, not production tested.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
AC PERFORMANCE
Crosstalk
(Note 5)
-90
dB
-3dB Bandwidth
BW
Code = 80H, 10pF load,
VDD = +2.6V
MAX5389L
600
kHz
MAX5389M
150
MAX5389N
75
Total Harmonic Distortion Plus
Noise
THD+N
Measured at W, VH_ = 1VRMS at 1kHz
0.015
%
Wiper Settling Time (Note 6)
tS
MAX5389L
300
ns
MAX5389M
1000
MAX5389N
2000
POWER SUPPLIES
Supply Voltage Range
VDD
2.6
5.5
V
Standby Current
Digital inputs = VDD or GND
1
F
A
DIGITAL INPUTS
Minimum Input High Voltage
VIH
70
% x VDD
Maximum Input Low Voltage
VIL
30
% x VDD
Input Leakage Current
-1
+1
F
A
Input Capacitance
5
pF
TIMING CHARACTERISTICS (Note 7)
Maximum INC_ Frequency
fMAX
10
MHz
CS to INC_ Setup Time
tCI
25
ns
CS to INC_ Hold Time
tIC
0
ns
INC_ Low Period
tIL
25
ns
INC_ High Period
tIH
25
ns
UD_ to INC_ Setup Time
tDI
50
ns
UD_ to INC_ Hold Time
tID
0
ns
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