Dual-Channel, I2C, 7-Bit Sink/Source Current DAC 4 ______________________" />
參數(shù)資料
型號(hào)： DS4432U+
廠商： Maxim Integrated Products
文件頁數(shù)： 4/9頁
文件大?。?/td> 0K
描述： IC DAC 7BIT 2CH 5.5V 8-MSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
位數(shù)： 7
數(shù)據(jù)接口： I²C，串行
轉(zhuǎn)換器數(shù)目： 2
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： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 8-uMAX
包裝： 散裝
輸出數(shù)目和類型： 2 電流，單極
采樣率（每秒）： *
產(chǎn)品目錄頁面： 1392 (CN2011-ZH PDF)
DS4432
Dual-Channel, I2C, 7-Bit Sink/Source
Current DAC
4
_______________________________________________________________________________________
Pin Description
NAME
PIN
FUNCTION
SDA
1
I2C Serial Data. Input/output for I2C data.
SCL
2
I2C Serial Clock. Input for I2C clock.
FS1
3
FS0
5
Full-Scale Calibration Inputs. A resistor to ground on these pins determines the full-scale current
for each output. FS0 controls OUT0; FS1 controls OUT1.
GND
4
Ground
OUT0
6
OUT1
7
Current Outputs. Sinks or sources the current determined by the register settings and the
resistance connected to FS0 and FS1.
VCC
8
Power Supply
Typical Operating Characteristics
(Applies to OUT0 and OUT1. VCC = 2.7V to 5.0V, SDA = SCL = VCC, TA = +25°C, and no loads on OUT0, OUT1, FS0, or FS1, unless
otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS4432
toc01
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(μ
A)
5.0
4.5
4.0
3.5
3.0
25
50
75
100
125
150
0
2.5
5.5
DOES NOT INCLUDE CURRENT DRAWN BY
RESISTORS CONNECTED TO FS0 OR FS1.
SUPPLY CURRENT
vs. TEMPERATURE
DS4432
toc02
TEMPERATURE (
°C)
SUPPLY
CURRENT
(μ
A)
60
80
40
20
0
-20
25
50
75
100
125
150
0
-40
DOES NOT INCLUDE CURRENT DRAWN BY
RESISTORS CONNECTED TO FS0 OR FS1.
VCC = 5.5V
VCC = 3.3V
VCC = 2.7V
VOLTCO (SOURCE)
DS4432
toc03
VOUT (V)
I OUT
(μ
A)
4
3
2
1
-225
-200
-175
-150
-250
05
40k
Ω LOAD ON FS0 AND FS1.
VOLTCO (SINK)
DS4432
toc04
VOUT (V)
I OUT
(μ
A)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
175
200
225
250
150
0
4.0
40k
Ω LOAD ON FS0 AND FS1.
TEMPERATURE COEFFICIENT
vs. SETTING (SOURCE)
DS4432
toc05
SETTING (DEC)
TEMPERATURE
COEFFICIENT
(°
C/ppm)
100
125
75
50
25
0
50
100
150
200
250
300
-50
0
RANGE FOR THE 50
μA TO 200μA CURRENT
SOURCE RANGE.
+25
°C TO -40°C
+25
°C TO +85°C
TEMPERATURE COEFFICIENT
vs. SETTING (SINK)
DS4432
toc06
SETTING (DEC)
TEMPERATURE
COEFFICIENT
(°
C/ppm)
100
125
75
50
25
-150
-50
50
150
250
350
450
550
650
-250
0
RANGE FOR THE 50
μA TO 200μA CURRENT
SINK RANGE.
+25
°C TO -40°C
+25
°C TO +85°C
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