参数资料
型号: LTC2641IS8-16#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: DAC
英文描述: 16-BIT DAC, PDSO8
封装: LEAD FREE, PLASTIC, MSOP-8
文件页数: 20/24页
文件大小: 334K
代理商: LTC2641IS8-16#TRPBF
LTC2641/LTC2642
5
26412fb
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 2: Continuous operation above the specied maximum operating
junction temperature may impair device reliability.
Note 3: LTC2641-16/LTC2642-16 ±1LSB = ±0.0015% = ±15.3ppm of full
scale. LTC2641-14/LTC2642-14 ±1LSB = ±0.006% = ±61ppm of full scale.
LTC2641-12/LTC2642-12 ±1LSB = ±0.024% = ±244ppm of full scale.
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VDD = 3V or 5V, VREF = 2.5V, CL = 10pF, GND = 0, RL = ∞ unless
otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IIN
Digital Input Current
VIN = GND to VDD
l
±1
μA
CIN
Digital Input Capacitance
(Note 6)
l
310
pF
VH
Hysteresis Voltage
0.15
V
Power Supply
VDD
Supply Voltage
l
2.7
5.5
V
IDD
Supply Current, VDD
Digital Inputs = 0V or VDD
l
120
200
μA
PD
Power Dissipation
Digital Inputs = 0V or VDD, VDD = 5V
Digital Inputs = 0V or VDD, VDD = 3V
0.60
0.36
mW
TIMING CHARACTERISTICS The l denotes the specications which apply over the full operating temperature
range, otherwise specications are at TA = 25°C. VDD = 3V or 5V, VREF = 2.5V, CL = 10pF, GND = 0, RL = ∞ unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
t1
DIN Valid to SCLK Setup Time
l
10
ns
t2
DIN Valid to SCLK Hold Time
l
0ns
t3
SCLK Pulse Width High
l
9ns
t4
SCLK Pulse Width Low
l
9ns
t5
CS Pulse High Width
l
10
ns
t6
LSB SCLK High to CS High
l
8ns
t7
CS Low to SCLK High
l
8ns
t8
CS High to SCLK Positive Edge
l
8ns
t9
CLR Pulse Width Low
l
15
ns
fSCLK
SCLK Frequency
50% Duty Cycle
l
50
MHz
VDD High to CS Low (Power-Up Delay)
30
μs
Note 4: ROUT tolerance is typically ±20%.
Note 5: Reference input resistance is code dependent. Minimum is at
871Chex (34,588) in unipolar mode and at 671Chex (26, 396) in bipolar
mode.
Note 6: Guaranteed by design and not production tested.
Note 7: Guaranteed by gain error and offset error testing, not production
tested.
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