Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Poten" />
參數(shù)資料
型號: MAX5478ETE+T
廠商: Maxim Integrated Products
文件頁數(shù): 10/16頁
文件大?。?/td> 0K
描述: IC POT DGTL DUAL 256-TAP 16-TQFN
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
接片: 256
電阻(歐姆): 50k
電路數(shù): 2
溫度系數(shù): 標準值 70 ppm/°C
存儲器類型: 非易失
接口: I²C(設備位址)
電源電壓: 2.7 V ~ 5.25 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-WFQFN 裸露焊盤
供應商設備封裝: 16-TQFN(3x3)
包裝: 帶卷 (TR)
MAX5477/MAX5478/MAX5479
Dual, 256-Tap, Nonvolatile, I2C-Interface,
Digital Potentiometers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +5.25V, H_ = VDD, L_ = GND, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VDD = +5V,
TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Dual Code Matching
R0 and R1 set to same code
(all codes), VDD = 3V or 5V
±3
LSB
DC PERFORMANCE (RESISTOR CHARACTERISTICS)
Wiper Resistance
RW
(Note 5)
325
675
Wiper Capacitance
CW
10
pF
MAX5477
7.5
10
12.5
MAX5478
37.5
50
62.5
End-to-End Resistance
RHL
MAX5479
75
100
125
k
DIGITAL INPUTS
VDD = 3.4V to 5.25V
2.4
Input High Voltage (Note 6)
VIH
VDD < 3.4V
0.7 x VDD
V
Input Low Voltage
VIL
(Note 6)
0.8
V
Output Low Voltage
VOL
ISINK = 3mA
0.4
V
WP Pullup Resistance
IWP
255
k
Input Leakage Current
ILEAK
±1
A
Input Capacitance
5
pF
DYNAMIC CHARACTERISTICS
Crosstalk
HA = 1kHz (0 to VDD), LA = GND,
LB = GND, measure WB
-75
dB
MAX5477
400
MAX5478
100
3dB Bandwidth (Note 7)
MAX5479
50
kHz
Total Harmonic Distortion Plus
Noise
THD+N
H_ = 1VRMS, f = 1kHz, L_ = GND,
measure W_
0.003
%
NONVOLATILE MEMORY RELIABILITY
Data Retention
TA = +85°C
50
Years
TA = +25°C
200,000
Endurance
TA = +85°C
50,000
Stores
POWER SUPPLY
Power-Supply Voltage
VDD
2.70
5.25
V
Writing to EEPROM, digital inputs at
GND or VDD, TA = +25°C (Note 8)
250
400
WP = GND
15
20.6
Supply Current
IDD
Normal operation,
digital inputs at GND or
VDD, TA = +25°C
WP = VDD
0.5
1
A
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