DS4432U+ Maxim Integrated Products, DS4432U+ Datasheet

IC DAC 7BIT 2CH 5.5V 8-MSOP

DS4432U+

Manufacturer Part Number
DS4432U+
Description
IC DAC 7BIT 2CH 5.5V 8-MSOP
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of DS4432U+

Number Of Bits
7
Data Interface
I²C, Serial
Number Of Converters
2
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Number Of Dac Outputs
2
Resolution
7 bit
Interface Type
I2C
Settling Time
1.3 us
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Supply Current
150 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power Dissipation (max)
-
Settling Time
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
The DS4432 contains two I
DACs that are each capable of sinking and sourcing
current up to 200µA. Each DAC output has 127 sink
and 127 source settings that are programmed using the
I
high-impedance state.
Rev 0; 12/08
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.
2
C interface. The current DAC outputs power up in a
Power-Supply Adjustment
Power-Supply Margining
Adjustable Current Sink or Source
4.7kΩ
TOP VIEW
GND
SDA
SCL
FS1
________________________________________________________________ Maxim Integrated Products
1
2
3
4
4.7kΩ
+
General Description
SDA
SCL
GND
μSOP
DS4432
R
Pin Configuration
FS0
Dual-Channel, I
2
C programmable current
FS0
DS4432
V
CC
Applications
8
7
6
5
FS1
R
OUT0
OUT1
V
OUT1
OUT0
FS0
FS1
CC
CONVERTER
DC-DC
V
CC
♦ Two Current DACs
♦ Full-Scale Current 50µA to 200µA
♦ Full-Scale Range for Each DAC Determined by
♦ 127 Settings Each for Sink and Source Modes
♦ I
♦ Low Cost
♦ Small Package (8-Pin µSOP)
♦ -40°C to +85°C Temperature Range
♦ 2.7V to 5.5V Operating Range
+ Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
DS4432U+
DS4432U+T&R
External Resistors
2
C-Compatible Serial Interface
2
PART
FB
OUT
C, 7-Bit Sink/Source
V
OUT0
R
R
0A
0B
Typical Operating Circuit
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
Ordering Information
CONVERTER
Current DAC
DC-DC
OUT
FB
V
OUT1
PIN-PACKAGE
8 μSOP
8 μSOP
R
R
Features
1A
1B
1

Related parts for DS4432U+

DS4432U+ Summary of contents

Page 1

... Settings Each for Sink and Source Modes ♦ I Applications 2 C-Compatible Serial Interface ♦ Low Cost ♦ Small Package (8-Pin µSOP) ♦ -40°C to +85°C Temperature Range ♦ 2.7V to 5.5V Operating Range PART DS4432U+ DS4432U+T& Denotes a lead(Pb)-free/RoHS-compliant package. T&R = Tape and reel. 7 OUT1 6 OUT0 5 ...

Page 2

Dual-Channel, I Current DAC ABSOLUTE MAXIMUM RATINGS Voltage Range SDA, and SCL CC Relative to Ground.............................................-0.5V to +6.0V Voltage Range on FS0, FS1, OUT0, OUT1 Relative to Ground..................................-0. Stresses beyond those listed under “Absolute Maximum ...

Page 3

Dual-Channel, I OUTPUT CURRENT SOURCE CHARACTERISTICS (continued +2.7V to +5.5V -40°C to +85°C.) CC PARAMETER SYMBOL Output Current Variation Due to Power-Supply Change Output Current Variation Due to Output-Voltage Change Output Leakage Current at Zero ...

Page 4

Dual-Channel, I Current DAC NAME PIN 2 SDA Serial Data. Input/output for I 2 SCL Serial Clock. Input for I FS1 3 Full-Scale Calibration Inputs. A resistor to ground on these pins determines the ...

Page 5

Dual-Channel, I (Applies to OUT0 and OUT1 2.7V to 5.0V, SDA = SCL = V CC otherwise noted.) INTEGRAL LINEARITY 1.0 RANGE FOR THE 50μA TO 200μA CURRENT 0.8 SOURCE AND SINK RANGE. 0.6 0.4 0.2 0 -0.2 ...

Page 6

Dual-Channel, I Current DAC Detailed Description 2 The DS4432 contains two I C adjustable current DACs that are each capable of sinking and sourcing current. Each output (OUT0 and OUT1) has 127 sink and 127 source settings that can be ...

Page 7

Dual-Channel, I Slave Devices: Slave devices send and receive data at the master’s request. Bus Idle or Not Busy: Time between STOP and START conditions when both SDA and SCL are inac- tive and in their logic-high states. When the ...

Page 8

Dual-Channel, I Current DAC 2 TYPICAL I C WRITE TRANSACTION MSB LSB START R/W READ/ SLAVE WRITE ADDRESS 2 EXAMPLE I C TRANSACTIONS 90h A) SINGLE BYTE WRITE SLAVE ...

Page 9

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 9 © 2008 Maxim Integrated Products ...

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