LTC2636
TIMING 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)
SYMBOL
PARAMETER
CONDITIONS
MIN
4
TYP
MAX
UNITS
ns
l
l
l
l
l
l
l
l
l
l
l
l
t1
t2
t3
t4
t5
t6
t7
t8
t9
t10
SDI Valid to SCK Setup
SDI Valid to SCK Hold
SCK High Time
4
ns
9
ns
SCK Low Time
9
ns
CS/LD Pulse Width
10
7
ns
LSB SCK High to CS/LD High
CS/LD Low to SCK High
CLR Pulse Width
ns
7
ns
20
15
7
ns
LDAC Pulse Width
ns
CS/LD High to SCK Positive Edge
SCK Frequency
ns
50% Duty Cycle
50
MHz
ns
t11
CS/LD High to LDAC High or Low Transition
200
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 4.5V to 5.5V, VOUT unloaded unless otherwise specified.
LTC2636-HMI12/-HMI10/-HMI8/-HMX12/-HMX10/-HMX8/-HZ12/-HZ10/-HZ8 (VFS = 4.096V)
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
8
8
10
10
12
12
Bits
Bits
LSB
Monotonicity
V
V
= 5V, Internal Reference (Note 4)
= 5V, Internal Reference (Note 4)
CC
CC
DNL
Differential
Nonlinearity
0.5
0.5
1
l
l
l
INL
Integral Nonlinearity
Zero-Scale Error
Offset Error
V
V
V
V
= 5V, Internal Reference (Note 4)
= 5V, Internal Reference, Code = 0
= 5V, Internal Reference (Note 5)
= 5V, Internal Reference
0.05
0.5
0.5
10
0.5
5
0.2
0.5
0.5
10
1
5
1
0.5
0.5
10
2.5
5
LSB
mV
CC
CC
CC
CC
ZSE
V
V
5
5
5
mV
OS
V
Temperature
OS
μV/°C
OSTC
Coefficient
l
GE
GE
Gain Error
V
V
= 5V, Internal Reference
0.2
0.8
0.2
0.8
0.2
0.8
%FSR
CC
CC
Gain Temperature
Coefficient
= 5V, Internal Reference (Note 10)
TC
C-Grade
I-Grade
H-Grade
10
10
10
10
10
10
10
10
10
ppm/°C
ppm/°C
ppm/°C
Load
V
= 5V 10%, (Note 11)
l
l
0.006 0.01
0.022 0.04
0.09 0.16 LSB/mA
CC
Regulation
Internal Reference, Mid-Scale,
–10mA ≤ I
≤ 10mA
OUT
R
OUT
DC Output
Impedance
V
= 5V 10%, (Note 11)
CC
0.09 0.156
0.09 0.156
0.09 0.156
Ω
Internal Reference, Mid-Scale,
–10mA ≤ I ≤ 10mA
OUT
2636f
7