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LTC1669CMS8

更新时间： 2024-01-08 14:11:13
品牌 Logo 应用领域
凌特 - Linear 转换器光电二极管
页数 文件大小 规格书
12页 186K
描述
10-Bit Rail-to-Rail Micropower DAC with I2C Interface

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LTC1669CMS8 数据手册

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LTC1669  
The ● denotes specifications which apply over the full operating  
ELECTRICAL CHARACTERISTICS  
unless otherwise noted.  
temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VCC set as reference, VOUT unloaded,  
SYMBOL PARAMETER  
Output Impedance to GND  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
Input Code = 0, V = 5V  
65  
150  
500  
Ω
Ω
kΩ  
CC  
CC  
Input Code = 0, V = 3V  
In Shutdown Mode  
Output Impedance to V  
Input Code = 1023, V = 5V  
80  
120  
Ω
Ω
CC  
CC  
Input Code = 1023, V = 3V  
CC  
AC Performance  
Voltage Output Slew Rate  
Rising (Notes 4, 5)  
Falling (Notes 4, 5)  
0.75  
0.25  
V/µs  
V/µs  
Voltage Output Settling Time  
Digital Feedthrough  
To ±0.5LSB (Notes 4, 5)  
30  
0.75  
70  
µs  
nV • s  
nV • s  
Digital-to-Analog Glitch Impulse  
1LSB Change Around Major Carry  
Digital Inputs SCL, SDA  
V
V
V
High Level Input Voltage  
Low Level Input Voltage  
Logic Threshold Voltage  
Digital Input Leakage  
●
●
2.1  
V
V
IH  
1.5  
IL  
1.8  
0.5  
V
LTH  
LEAK  
I
V
= 5.5V and 0V, V = GND to V  
CC  
●
●
±1  
µA  
pF  
CC  
IN  
C
Digital Input Capacitance  
(Note 7)  
10  
IN  
Digital Output SDA  
Digital Output Low Voltage  
Address Inputs AD0, AD1, AD2 (MSOP Only)  
V
I
= 3mA  
●
0.4  
1.5  
0.8  
V
OL  
PULLUP  
I
Address Pin Pull-Up Current  
High Level Input Voltage  
Low Level Input Voltage  
V
= 0V  
IN  
●
●
●
µA  
V
UP  
V
V
V
– 0.3  
CC  
IH  
V
IL W U  
The ● denotes specifications which apply over the full operating temperature  
TI I G CHARACTERISTICS  
range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VCC set as reference, VOUT unloaded, unless otherwise noted.  
SYMBOL  
PARAMETER  
MIN  
TYP  
MAX  
UNITS  
Timing Characteristics (Notes 6, 7)  
f
t
t
t
t
t
t
t
t
t
t
t
Clock Operating Frequency  
Bus Free Time Between Stop and Start Condition  
Hold Time After (Repeated) Start Condition  
Repeated Start Condition Setup Time  
Stop Condition Setup Time  
Data Hold Time (Input)  
●
●
●
●
●
●
●
●
●
●
●
●
100  
kHz  
µs  
µs  
µs  
µs  
ns  
ns  
ns  
µs  
µs  
ns  
ns  
SCL  
4.7  
4
BUF  
HD, STA  
SU, STA  
SU, STO  
HD, DAT (IN)  
HD, DAT (OUT)  
SU, DAT  
LOW  
4.7  
4
0
Data Hold Time (Output)  
225  
250  
4.7  
4
500  
3450  
Data Setup Time  
Clock Low Period  
Clock High Period  
HIGH  
Clock, Data Fall Time  
20  
20  
300  
f
Clock, Data Rise Time  
1000  
r
Note 1: Absolute maximum ratings are those values beyond which the life  
Note 4: Load is 10kΩ in parallel with 100pF.  
Note 5: V = V = 5V. DAC switched between 0.1V and 0.9V ,  
FS  
of a device may be impaired.  
CC  
REF  
FS  
Note 2: Nonlinearity and monotonicity are defined from code 20 to code  
1003 (full scale). See Applications Information.  
i.e., codes k = 102 and k = 922.  
Note 6: All values are referenced to V and V levels.  
IH  
IL  
Note 3: Digital inputs at 0V or V  
.
CC  
Note 7: Guaranteed by design and not subject to test.  
1669f  
3
1234567...12

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