2610 Просмотр технического описания (PDF) - Linear Technology
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2610 Datasheet PDF : 20 Pages
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LTC2600/LTC2610/LTC2620
TIMING CHARACTERISTICS The l denotes specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (See Figure 1) (Note 6)
SYMBOL PARAMETER
CONDITIONS
LTC2600/LTC2610/LTC2620
MIN
TYP
MAX
UNITS
VCC = 2.5V to 5.5V
t1
SDI Valid to SCK Setup
t2
SDI Valid to SCK Hold
t3
SCK High Time
t4
SCK Low Time
t5
CS/LD Pulse Width
t6
LSB SCK High to CS/LD High
t7
CS/LD Low to SCK High
t8
SDO Propagation Delay from SCK Falling Edge
t9
CLR Pulse Width
t10
CS/LD High to SCK Positive Edge
SCK Frequency
CLOAD = 10pF
VCC = 4.5V to 5.5V
VCC = 2.5V to 5.5V
50% Duty Cycle
l
4
l
4
l
9
l
9
l 10
l
7
l
7
l
l
l 20
l
7
l
ns
ns
ns
ns
ns
ns
ns
20
ns
45
ns
ns
ns
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 2: Linearity and monotonicity are defined from code kL to code
2N – 1, where N is the resolution and kL is given by kL = 0.016(2N/VREF),
rounded to the nearest whole code. For VREF = 4.096V and N = 16, kL =
256 and linearity is defined from code 256 to code 65,535.
Note 3: Digital inputs at 0V or VCC.
Note 4: DC crosstalk is measured with VCC = 5V and VREF = 4.096V,
with the measured DAC at mid-scale, unless otherwise noted.
Note 5: RL = 2kΩ to GND or VCC.
Note 6: Guaranteed by design and not production tested.
Note 7: Inferred from measurement at code 256 (LTC2600),
code 64 (LTC2610) or code 16 (LTC2620), and at full-scale.
Note 8: VCC = 5V, VREF = 4.096V. DAC is stepped 1/4-scale to 3/4-scale
and 3/4-scale to 1/4-scale. Load is 2k in parallel with 200pF to GND.
Note 9: VCC = 5V, VREF = 4.096V. DAC is stepped ±1LSB between half-
scale and half-scale – 1. Load is 2k in parallel with 200pF to GND.
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