參數(shù)資料
型號: MAX5424ETA+T
廠商: Maxim Integrated Products
文件頁數(shù): 6/11頁
文件大小: 0K
描述: IC POT DGTL 256-TAP NV 8-TDFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
接片: 256
電阻(歐姆): 200k
電路數(shù): 1
溫度系數(shù): 標準值 35 ppm/°C
存儲器類型: 非易失
接口: 3 線串口
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: 8-WDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 8-TDFN-EP(3x3)
包裝: 標準包裝
其它名稱: MAX5424ETA+TDKR
DNL vs. TAP POSITION
MAX5422
toc01
TAP POSITION
DNL
(LSB)
224
192
128 160
64
96
32
-0.20
-0.15
-0.10
-0.05
0
0.05
0.10
0.15
0.20
0.25
-0.25
0256
VOLTAGE-DIVIDER MODE
INL vs. TAP POSITION
MAX5422
toc02
TAP POSITION
INL
(LSB)
224
192
128 160
64
96
32
-0.20
-0.15
-0.10
-0.05
0
0.05
0.10
0.15
0.20
0.25
-0.25
0256
VOLTAGE-DIVIDER MODE
RESISTANCE
)
100
200
300
400
500
600
700
0
WIPER RESISTANCE vs. TAP POSITION
MAX5422
toc03
TAP POSITION
224
192
128 160
64
96
32
0
256
VDD = 2.7V
ISRC = 50
μA
Typical Operating Characteristics
(VDD = 5.0V, TA = +25
°C, unless otherwise noted.)
MAX5422/MAX5423/MAX5424
256-Tap, Nonvolatile, SPI-Interface,
Digital Potentiometers
4
_______________________________________________________________________________________
TIMING CHARACTERISTICS (continued)
(VDD = +2.7V to +5.25V, H = VDD, L = GND, TA = -40
°C to +85°C. Typical values are at VDD = +5.0V, TA = +25°C, unless otherwise
noted. See Figure 1.) (Note 7)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
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
Note 1: The DNL and INL are measured with the potentiometer configured as a voltage-divider with H = VDD and L = GND. The
wiper terminal is unloaded and measured with a high-input-impedance voltmeter.
Note 2: The DNL and INL are measured with the potentiometer configured as a variable resistor. H is unconnected and L = GND.
For the 5V condition, the wiper terminal is driven with a source current of 80A for the 50k
Ω configuration, 40A for the
100k
Ω configuration, and 20A for the 200kΩ configuration. For the 3V condition, the wiper terminal is driven with a source
current of 40A for the 50k
Ω configuration, 20A for the 100kΩ, and 10A for the 200kΩ configuration.
Note 3: The wiper resistance is measured using the source currents given in Note 2. For operation to VDD = 2.7V, see Maximum
Wiper Resistance vs. Temperature in the Typical Operating Characteristics.
Note 4: The device draws higher supply current when the digital inputs are driven with voltages between (VDD - 0.5V) and (GND +
0.5V). See Supply Current vs. Digital Input Voltage in the Typical Operating Characteristics.
Note 5: Wiper at midscale with a 10pF load (DC measurement). L = GND; an AC source is applied to H; and the W output is mea-
sured. A 3dB bandwidth occurs when the AC W/H value is 3dB lower than the DC W/H value.
Note 6: The programming current operates only during power-up and NV writes.
Note 7: Digital timing is guaranteed by design and characterization, and is not production tested.
Note 8: Wiper-settling time is the worst-case 0% to 50% rise-time measured between consecutive wiper positions. H = VDD, L =
GND, and the wiper terminal is unloaded and measured with a 10pF oscilloscope probe.
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