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參數(shù)資料
| 型號： | MAX5419NETA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| 中文描述： | 200K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, DSO8 |
| 封裝： | 3 X 3 MM, TDFN-8 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 796K |
| 代理商： | MAX5419NETA |
M
256-Tap, Nonvolatile, I
2
C-Interface,
Digital Potentiometers
4
_______________________________________________________________________________________
Note 1:
The DNL and INL are measured with the potentiometer configured as a voltage-divider with H = V
DD
and L = GND. The
wiper terminal is unloaded and measured with a high-input-impedance voltmeter.
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 80μA for the 50k
configuration, 40μA for the
100k
configuration, and 20μA for the 200k
configuration. For the 3V condition, the wiper terminal is driven with a source
current of 40μA for the 50k
configuration, 20μA for the 100k
configuration, and 10μA for the 200k
configuration.
The wiper resistance is measured using the source currents given in Note 2. For operation to V
DD
= 2.7V, see Wiper
Resistance vs. Temperature in the
Typical Operating Characteristics.
The device draws higher supply current when the digital inputs are driven with voltages between (V
DD
- 0.5V) and (GND +
0.5V). See Supply Current vs. Digital Input Voltage in the
Typical Operating Characteristics.
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.
The programming current operates only during power-up and NV writes.
SCL clock period includes rise and fall times t
R
and t
F
. All digital input signals are specified with t
R
= t
F
= 2ns and timed
from a voltage level of (V
IL
+ V
IH
) / 2.
Wiper settling time is the worst-case 0% to 50% rise time measured between consecutive wiper positions. H = V
DD
,
L = GND, and the wiper terminal is unloaded and measured with a 10pF oscilloscope probe (see the
Typical Operating
Characteristics
for the tap-to-tap switching transient).
An appropriate bus pullup resistance must be selected depending on board capacitance. Refer to the document linked to
this web address: www.semiconductors.philips.com/acrobat/literature/9398/39340011.pdf.
Note 10:
The idle time begins from the initiation of the stop pulse.
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
PARAMETER
SYMBOL
t
SU-DAT
t
HD-DAT
t
R
t
F
t
SU-STO
CONDITIONS
MIN
100
0
TYP
MAX
UNITS
ns
μs
ns
ns
μs
Data Setup Time
Data Hold Time
SDA, SCL Rise Time
SDA, SCL Fall Time
Setup Time for STOP Condition
0.9
300
300
0.6
Bus Free Time Between STOP
and START Condition
t
BUF
Minimum power-up rate = 0.2V/ms
1.3
μs
Pulse Width of Spike Suppressed
t
SP
50
ns
Maximum Capacitive Load for
Each Bus Line
C
B
(Note 9)
400
pF
Write NV Register Busy Time
t
BUSY
(Note 10)
12
ms
TIMING CHARACTERISTICS (continued)
(V
DD
= +2.7V to +5.25V, H = V
DD
, L = GND, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
DD
= +5V, T
A
=
+25°C. See Figures 1 and 2.) (Note 7)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5419NETA+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 256POS 200KOHM SGL 8TDFN EP - Rail/Tube |
| MAX5419NETA+T | 功能描述:數(shù)字電位計 IC 256-Tap Nonvolatile I2C-Interface RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5419NETA-T | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5419PETA | 制造商:Maxim Integrated Products 功能描述:256-TAP NONVOLATILE I2C-INTERFACE - Rail/Tube |
| MAX5419PETA+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 256POS 200KOHM SGL 8TDFN EP - Rail/Tube |
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