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參數資料
| 型號： | DS4426T+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/15頁 |
| 文件大小： | 0K |
| 描述： | IC DAC I2C-MARGINING 4CH 28-TQFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 212 |
| 位數： | 8 |
| 數據接口： | I²C |
| 轉換器數目： | 4 |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 28-TQFN-EP（4x4） |
| 包裝： | 管件 |
| 輸出數目和類型： | 4 電流，單極 |
| 采樣率（每秒）： | * |
| 產品目錄頁面： | 1421 (CN2011-ZH PDF) |
General Description
The DS4426 contains four I2C-adjustable current DACs
capable of sinking or sourcing current. External resis-
tors set the full-scale range of each output. Each DAC
output has 127 sink and 127 source steps that are pro-
grammed by the I2C interface. Power-supply tracking
functionality is provided for three channels using dedi-
cated control inputs. Once power-supply tracking is
accomplished, the current outputs default to zero. Two
address pins allow up to four DS4426 devices to exist
on the same I2C bus.
Applications
Power-Supply Adjustment
Power-Supply Margining
Power-Supply Tracking
Adjustable Current Sink or Source
Features
Four Current DACs
50A to 200A Adjustable Full-Scale Range
127 Settings Each for Sink and Source
Power-Supply Tracking
Power-Supply Sequencing
Ramp-Up and Ramp-Down Tracking Control
Ratiometric Tracking Support
+2.7V to +5.5V Operation
I2C-Compatible Serial Interface
Two Address Input Pins Allow Up to Four Devices
on Same I2C Bus
Lead-Free, 28-Pin TQFN Package (4mm x 4mm)
with Exposed Pad
Industrial Temperature Range: -40°C to +85°C
DS4426
Quad-Channel, I2C-Margining IDACs with
Three Channels of Power-Supply Tracking
________________________________________________________________
Maxim Integrated Products
1
26
27
25
24
10
9
11
SCL
OUT0
OUT1
OUT2
OUT3
12
SDA
THR1
DNC
THR3
FS0
INN3
INP3
12
GAIN3
45
6
7
20
21
19
17
16
15
GAIN2
GAIN1
INN1
INP1
A1
A0
V
CC
THR2
3
18
28
8
N.C.
GND
FS3
23
13
INP2
FS2
22
14
INN2
FS1
THIN QFN
(4mm
× 4mm)
TOP VIEW
DS4426
*EP
*EXPOSED PAD.
+
Pin Configuration
Ordering Information
19-4541; Rev 1; 7/09
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
*
EP = Exposed pad.
PART
TEMP RANGE
PIN-PACKAGE
DS4426T+
-40°C to +85°C
28 TQFN-EP*
DS4426T+T&R
-40°C to +85°C
28 TQFN-EP*
Functional Diagram appears at end of data sheet.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS4426T+ | 功能描述:數模轉換器- DAC 4Ch I2C Migrt w/3 ch P-Sup Track RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DS4426T+T&R | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:28PIN 4X4 TQFN W/4 IDAC&3CH P/S TRA - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC DAC I2C-MARGINING 4CH 28-TQFN |
| DS4426T+T&R | 功能描述:數模轉換器- DAC 4Ch I2C Migrt w/3 ch P-Sup Track RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DS4426T+TR | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Quad-Channel, I2C-Margining IDACs with Three Channels of Power-Supply Tracking |
| DS443 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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