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參數(shù)資料
| 型號(hào)： | DS4404N+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 4CH I2C ADJ 14-TDFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 位數(shù)： | 5 |
| 數(shù)據(jù)接口： | I²C |
| 轉(zhuǎn)換器數(shù)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： | 14-WFDFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 14-TDFN-EP（3x3） |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 4 電流，單極 |
| 采樣率（每秒）： | * |
______________________________________________
Maxim Integrated Products
1
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.
General Description
The DS4402 and DS4404 contain two and four I2C
adjustable current DACs, respectively, that are each
capable of sinking or sourcing current. Each output has
31 sink and 31 source settings that are programmed by
the I2C interface. External resistors set the full-scale
range and step size of each output.
Applications
Power-Supply Adjustment
Power-Supply Margining
Adjustable Current Sink or Source
Features
Two (DS4402) or Four (DS4404) Current DACs
Full-Scale Range for Each DAC Determined by
External Resistors
31 Settings Each for Sink and Source Modes
I2C-Compatible Serial Interface
Two Three-Level Address Pins Allow Nine
Devices on Same I2C Bus
Small Package (14-Pin TDFN)
-40°C to +85°C Temperature Range
2.7V to 5.5V Operation
DS4402/DS4404
Two/Four-Channel, I2C Adjustable Current DAC
DC/DC
CONVERTER
FB
OUT
SDA
SCL
A0
A1
OUT0
OUT1
GND
RFS0
RFS1
4.7k
Ω
4.7k
Ω
VCC
VOUT0
FS0
FS1
R0B
R0A
DS4402
DC/DC
CONVERTER
FB
OUT
VOUT1
R1B
R1A
Typical Operating Circuit
Ordering Information
19-4641; Rev 3; 5/09
+
Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
*
EP = Exposed pad.
PART
TEMP RANGE
PIN-PACKAGE
DS4402N+
-40°C to +85°C
14 TDFN-EP*
DS4402N+T&R
-40°C to +85°C
14 TDFN-EP*
DS4404N+
-40°C to +85°C
14 TDFN-EP*
DS4404N+T&R
-40°C to +85°C
14 TDFN-EP*
TDFN
TOP VIEW
2
4
5
13
11
10
VCC
A1
OUT1
SCL
FS3 (N.C.)
FS2 (N.C.)
*EXPOSED PAD
( ) INDICATES FOR DS4402 ONLY.
1
+
14
OUT3 (N.C.)
OUT2 (N.C.)
SDA
3
12
GND
6
9
A0
FS1
7
8
OUT0
FS0
DS4404/
DS4402
*EP
(3mm
× 3mm × 0.8mm)
Pin Configuration
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