LTC2636
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VOUT unloaded unless otherwise specified.
LTC2636-LMI12/-LMI10/-LMI8/-LMX12/-LMX10/-LMX8/-LZ12/-LZ10/-LZ8 (VFS = 2.5V)
LTC2636-8
LTC2636-10
LTC2636-12
SYMBOL PARAMETER
DC Performance
Resolution
CONDITIONS
MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
l
l
l
l
l
l
8
8
10
10
12
12
Bits
Bits
Monotonicity
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 3V, Internal Reference (Note 4)
= 3V, Internal Reference (Note 4)
= 3V, Internal Reference (Note 4)
= 3V, Internal Reference, Code = 0
= 3V, Internal Reference (Note 5)
=3V, Internal Reference
DNL
INL
Differential Nonlinearity
0.5
0.5
5
0.5
1
1
2.5
5
LSB
LSB
mV
Integral Nonlinearity
Zero-Scale Error
Offset Error
0.05
0.5
0.5
10
0.2
0.5
0.5
10
1
0.5
0.5
10
ZSE
5
V
V
5
5
5
mV
OS
V
Temperature
OS
μV/°C
OSTC
Coefficient
l
GE
GE
Gain Error
V
V
= 3V, Internal Reference
0.2
0.8
0.2
0.8
0.2
0.8
%FSR
CC
Gain Temperature
Coefficient
= 3V, Internal Reference (Note 10)
TC
CC
C-Grade
I-Grade
H-Grade
10
10
10
10
10
10
10
10
10
ppm/°C
ppm/°C
ppm/°C
Load Regulation
Internal Reference, Mid-Scale,
= 3V 10%,
V
l
l
0.009 0.016
0.009 0.016
0.035 0.064
0.035 0.064
0.14 0.256 LSB/mA
0.14 0.256 LSB/mA
CC
–5mA ≤ I
≤ 5mA
OUT
V
= 5V 10%, (Note 11)
CC
–10mA ≤ I
≤ 10mA
OUT
R
DC Output Impedance
Internal Reference, Mid-Scale,
= 3V 10%,
OUT
V
l
l
0.09 0.156
0.09 0.156
0.09 0.156
0.09 0.156
0.09 0.156
0.09 0.156
Ω
Ω
CC
–5mA ≤ I
≤ 5mA
OUT
V
= 5V 10%, (Note 11)
CC
–10mA ≤ I
≤ 10mA
OUT
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
DAC Output Span
External Reference
Internal Reference
0 to V
V
V
OUT
REF
0 to 2.5
PSR
Power Supply Rejection
V
V
= 3V 10% or 5V 10%
–80
dB
CC
I
Short Circuit Output Current (Note 6)
= V = 5.5V
SC
FS
CC
l
Sinking
Sourcing
Zero-Scale; V
shorted to V
27
–28
48
–48
mA
mA
OUT
CC
l
Full-Scale; V
shorted to GND
OUT
Power Supply
l
V
Positive Supply Voltage
Supply Current (Note 7)
For Specified Performance
2.7
5.5
V
CC
l
l
l
l
I
CC
V
CC
V
CC
V
CC
V
CC
= 3V, V =2.5V, External Reference
0.8
0.9
0.9
1
1.1
1.3
1.3
1.5
mA
mA
mA
mA
REF
= 3V, Internal Reference
= 5V, V =2.5V, External Reference
REF
= 5V, Internal Reference
l
l
I
SD
Supply Current in Power-Down Mode
(Note 7)
V
V
= 5V, C-Grade, I-Grade
= 5V, H-Grade
0.5
0.5
1.8
5
μA
μA
CC
CC
2636f
5