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LTC2630A-HZ12 PDF预览

LTC2630A-HZ12

更新时间： 2022-04-23 23:00:11
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
20页 342K
描述
Single 12-/10-/8-Bit Rail-to-Rail DACs with Integrated Reference in SC70

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LTC2630A-HZ12 数据手册

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LTC2630  
ELECTRICAL CHARACTERISTICS The  
●
denotes the specifications which apply over the full operating  
temperature range, otherwise specifications are at T = 25°C. V = 4.5V to 5.5V, V unloaded unless otherwise specified.  
A
CC  
OUT  
LTC2630-HM12/-HM10/-HM8/-HZ12/-HZ10/-HZ8, LTC2630A-HM12/-HZ12 (V = 4.096V)  
FS  
SYMBOL PARAMETER  
AC Performance  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
t
S
Settling Time  
V
= 5V (Note 7)  
CC  
μs  
μs  
μs  
0.39% ( 1LSB at 8 Bits)  
0.098% ( 1LSB at 10 Bits)  
0.024% ( 1LSB at 12 Bits)  
3.7  
4.4  
4.8  
Voltage Output Slew Rate  
Capacitive Load Driving  
Glitch Impulse  
1.0  
500  
2.4  
V/μs  
pF  
At Midscale Transition  
nV•s  
e
Output Voltage Noise Density  
At f = 1kHz, Supply as Reference  
At f = 10kHz, Supply as Reference  
At f = 1kHz, Internal Reference  
At f = 10kHz, Internal Reference  
140  
130  
210  
200  
nV/√Hz  
nV/√Hz  
nV/√Hz  
nV/√Hz  
n
Output Voltage Noise  
0.1Hz to 10Hz, Supply as Reference  
0.1Hz to 10Hz, Internal Reference  
0.1Hz to 200kHz, Supply as Reference  
0.1Hz to 200kHz, Internal Reference  
20  
20  
650  
750  
μV  
P-P  
μV  
P-P  
μV  
P-P  
μV  
P-P  
TIMING CHARACTERISTICS The  
●
denotes the specifications which apply over the full operating temperature  
range, otherwise specifications are at T = 25°C. V = 4.5V to 5.5V. (See Figure 1) (Note 6).  
A
CC  
LTC2630-HM12/-HM10/-HM8/-HZ12/-HZ10/-HZ8, LTC2630A-HM12/-HZ12 (V = 4.096V)  
FS  
SYMBOL PARAMETER  
CONDITIONS  
MIN  
4
TYP  
MAX  
UNITS  
ns  
●
●
●
●
●
●
●
●
●
t
t
t
t
t
t
t
t
SDI Valid to SCK Setup  
SDI Valid to SCK Hold  
SCK High Time  
1
4
ns  
2
9
ns  
3
SCK Low Time  
9
ns  
4
CS/LD Pulse width  
10  
7
ns  
5
SCK High to CS/LD High  
CS/LD Low to SCK High  
CS/LD High to SCK Positive Edge  
SCK Frequency  
ns  
6
7
ns  
7
7
ns  
10  
50% Duty Cycle  
50  
MHz  
Note 1: Stresses beyond those listed under Absolute Maximum Ratings  
may cause permanent damage to the device. Exposure to any Absolute  
Maximum Rating condition for extended periods may affect device  
reliability and lifetime.  
Note 4: This IC includes current limiting that is intended to protect the  
device during momentary overload conditions. Junction temperature can  
exceed the rated maximum during current limiting. Continuous operation  
above the specified maximum operating junction temperature may impair  
device reliability.  
N
Note 2: Linearity and monotonicity are defined from code k to code 2 –1,  
L
N
where N is the resolution and k is given by k = 0.016 • (2 / V ), rounded  
Note 5: Digital inputs at 0V or V .  
L
L
FS  
CC  
to the nearest whole code. For V = 2.5V and N = 12, k = 26 and linearity  
FS  
L
Note 6: Guaranteed by design and not production tested.  
Note 7: Internal Reference mode. DAC is stepped 1/4 scale to 3/4 scale  
and 3/4 scale to 1/4 scale. Load is 2kΩ in parallel with 100pF to GND.  
Note 8: Temperature coefficient is calculated by dividing the maximum  
change in output voltage by the specified temperature range.  
is defined from code 26 to code 4,095. For V = 4.096V and  
FS  
N = 12, k = 16 and linearity is defined from code 16 to code 4,095.  
L
Note 3: Inferred from measurement at code 16 (LTC2630-12), code 4  
(LTC2630-10) or code 1 (LTC2630-8).  
2630f  
7
1...45678910...20

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