参数资料
型号: MAX5489EUD+T
厂商: Maxim Integrated Products
文件页数: 9/13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): 100k
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
_______________________________________________________________________________________
5
0.1
0
-40
-20
02040
60
80
0.5
0.4
0.3
0.2
0.6
TEMPERATURE (
°C)
SUPPLY
CURRENT
(
A)
SUPPLY CURRENT
vs. TEMPERATURE
MAX5487-89 toc01
VDD = 3V
VDD = 5V
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
MAX5487-89
toc02
DIGITAL INPUT VOLTAGE (V)
SUPPLY
CURRENT
(
A)
4
3
2
1
10
100
1000
10,000
0
05
VCC = 5V
VCC = 3V
0
50
150
100
200
250
064
96
32
128 160 192
224 256
WIPER RESISTANCE
vs. TAP POSITION
MAX5487-89
toc03
TAP POSITION
WIPER
RESISTANCE
(
)
1
s/div
TAP-TO-TAP SWITCHING TRANSIENT
(MAX5487)
CS
2.0V/div
WIPER
20mV/div
MAX5487-89 toc04
VH_ = 5.0V
TAP-TO-TAP SWITCHING TRANSIENT
(MAX5488)
MAX5487-89 toc05
1.0
s/div
WIPER
20mV/div
VH_ = 5.0V
CS
2.0V/div
WIPER TRANSIENT AT POWER-ON
MAX5487-89 toc07
2.0
s/div
WIPER
2.0V/div
VH_ = VDD
VDD
2.0V/div
FREQUENCY (kHz)
GAIN
(dB)
MIDSCALE FREQUENCY RESPONSE
(MAX5487)
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
0.1
1
10
100
1000
MAX5487-89 toc08
CW = 10pF
CW_ = 50pF
TAP-TO-TAP SWITCHING TRANSIENT
(MAX5489)
MAX5487-89 toc06
1.0
s/div
WIPER
20mV/div
VH_ = 5.0V
CS
2.0V/div
Typical Operating Characteristics
(VDD = +5.0V, TA = +25
°C, unless otherwise noted.)
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