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LTC1669 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC1669
Description  10-Bit Rail-to-Rail Micropower DAC with IC Interface
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1669 Datasheet(HTML) 3 Page - Linear Technology

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LTC1669
3
1669fa
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating tempera-
ture 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
CONDITIONS
MIN
TYP
MAX
UNITS
DAC
Resolution
l
10
Bits
Monotonicity
(Note 2)
l
10
Bits
DNL
Differential Nonlinearity
Guaranteed Monotonic (Note 2)
l
± 0.2
±0.75
LSB
INL
Integral Nonlinearity
(Note 2)
l
±0.5
± 2.5
LSB
VOS
Offset Error
Measured at Code 20
l
±10
±30
mV
VOSTC
Offset Error Temperature Coefficient
±15
μV/°C
FSE
Full-Scale Error
Reference Set to VCC
Reference Set to Internal Bandgap
l
l
±3
±3
±15
±15
LSB
LSB
VOUT
DAC Output Span
Reference Set to VCC
Reference Set to Internal Bandgap
0 to VCC
0 to 2.5
V
V
VFSTC
Full-Scale Voltage Temperature
Coefficient
Reference Set to VCC
Reference Set to Internal Bandgap
±30
±50
μV/°C
μV/°C
PSRR
Power Supply Rejection Ratio
Reference Set to Internal Bandgap,
Code = 1023
±0.4
LSB/V
Power Supply
VCC
Positive Supply Voltage
l
2.7
5.5
V
ICC
Supply Current
VCC = 3V (Note 3)
VCC = 5V (Note 3)
l
l
60
75
100
125
μA
μA
ISD
Supply Current in Shutdown Mode
(Note 3)
l
12
24
μA
Op Amp DC Performance
Short-Circuit Current (Sourcing)
VOUT Shorted to GND, Input Code = 1023
l
25
100
mA
Short-Circuit Current (Sinking)
VOUT Shorted to VCC, Input Code = 0
l
30
120
mA
Output Impedance to GND
Input Code = 0, VCC = 5V
Input Code = 0, VCC = 5V
In Shutdown Mode
65
150
500
Ω
Ω
kΩ
Output Impedance to VCC
Input Code = 1023, VCC = 5V
Input Code = 1023, VCC = 5V
80
120
Ω
Ω
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
To ±0.5LSB (Notes 4, 5)
30
μs
Digital Feedthrough
0.75
nV•s
Digital-to-Analog Glitch Impulse
1LSB Change Around Major Carry
70
nV•s
Digital Inputs SCL, SDAs
VIH
High Level Input Voltage
l
2.1
V
VIL
Low Level Input Voltage
l
1.5
V
VLTH
Logic Threshold Voltage
1.8
V
ILEAK
Digital Input Leakage
VCC = 5.5V and 0V, VIN = GND to VCC
l
±1
μA
CIN
Digital Input Capacitance
(Note 7)
l
10
pF
Digital Output SDA
VOL
Digital Output Low Voltage
IPULLUP = 3mA
l
0.4
V



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