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LTC2615IGN Datasheet(PDF) 4 Page - Linear Technology

Part # LTC2615IGN
Description  Octal 16-/14-/12-Bit Rail-to-Rail DACs in 16-Lead SSOP
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2615IGN Datasheet(HTML) 4 Page - Linear Technology

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4
LTC2605/LTC2615/LTC2625
2605f
TI I G CHARACTERISTICS The denotes specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (See Figure 1) (Notes 8, 9)
Note 1: Absolute maximum ratings are those values beyond which the life
of a device may be impaired.
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: SDA, SCL at 0V or VCC, CA0, CA1 and CA2 floating.
Note 4: Inferred from measurement at code 256 (LTC2605/LTC2605-1),
code 64 (LTC2615/LTC2615-1) or code 16 (LTC2625/LTC2625-1) and
at full scale.
Note 5: 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
Ω in parallel with 200pF to GND.
Note 6: VCC = 5V, VREF = 4.096V. DAC is stepped ±1LSB between half
scale and half scale – 1. Load is 2k
Ω in parallel with 200pF to GND.
Note 7: CB = capacitance of one bus line in pF.
Note 8: All values refer to VIH(MIN) and VIL(MAX) levels.
Note 9: These specifications apply to LTC2605/LTC2605-1, LTC2615/
LTC2615-1 and LTC2625/LTC2625-1.
Note 10: DC Crosstalk is measured with VCC = 5V and VREF = 4096V, with
the measured DAC at midscale, unless otherwise noted.
Note 11: RL = 2kΩ to GND or VCC.
Note 12: Guaranteed by design and not production tested.
ELECTRICAL C
C
HARA TERISTICS The denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.7V), VOUT unloaded,
unless otherwise noted.
LTC2625/-1
LTC2615/-1
LTC2605/-1
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
AC Performance
tS
Settling Time (Note 5)
±0.024% (±1LSB at 12 Bits)
7
7
7
µs
±0.006% (±1LSB at 14 Bits)
9
9
µs
±0.0015% (±1LSB at 16 Bits)
10
µs
Settling Time for 1LSB Step
±0.024% (±1LSB at 12 Bits)
2.7
2.7
2.7
µs
(Note 6)
±0.006% (±1LSB at 14 Bits)
4.8
4.8
µs
±0.0015% (±1LSB at 16 Bits)
5.2
µs
Voltage Output Slew Rate
0.80
0.80
0.80
V/
µs
Capacitive Load Driving
1000
1000
1000
pF
Glitch Impulse
At Midscale Transition
12
12
12
nV • s
Multiplying Bandwidth
180
180
180
kHz
en
Output Voltage Noise Density
At f = 1kHz
120
120
120
nV/
√Hz
At f = 10kHz
100
100
100
nV/
√Hz
Output Voltage Noise
0.1Hz to 10Hz
15
15
15
µVP-P
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC = 2.7V to 5.5V
fSCL
SCL Clock Frequency
0
400
kHz
tHD(STA)
Hold Time (Repeated) Start Condition
0.6
µs
tLOW
Low Period of the SCL Clock Pin
1.3
µs
tHIGH
High Period of the SCL Clock Pin
0.6
µs
tSU(STA)
Set-Up Time for a Repeated Start Program
0.6
µs
tHD(DAT)
Data Hold Time
0
0.9
µs
tSU(DAT)
Data Set-Up Time
100
ns
tr
Rise Time of Both SDA and SCL Signals
(Note 7)
20 + 0.1CB
300
ns
tf
Fall Time of Both SDA and SCL Signals
(Note 7)
20 + 0.1CB
300
ns
tSU(STO)
Set-Up Time for Stop Condition
0.6
µs
tBUF
Bus Free Time Between a Stop and Start Condition
1.3
µs


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