Datasheet
LTC2636
7
2636fb
LTC2636-LMI12/-LMI10/-LMI8/-LMX12/-LMX10/-LMX8/-LZ12/-LZ10/-LZ8 (V
FS
= 2.5V)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
t1 SDI Valid to SCK Setup
l
4 ns
t2 SDI Valid to SCK Hold
l
4 ns
t3 SCK High Time
l
9 ns
t4 SCK Low Time
l
9 ns
t5 CS/LD Pulse Width
l
10 ns
t6 LSB SCK High to CS/LD High
l
7 ns
t7 CS/LD Low to SCK High
l
7 ns
t8 CLR Pulse Width
l
20 ns
t9 LDAC Pulse Width
l
15 ns
t10 CS/LD High to SCK Positive Edge
l
7 ns
SCK Frequency 50% Duty Cycle
l
50 MHz
t11 CS/LD High to LDAC High or Low Transition
l
200 ns
timing characteristics
The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. V
CC
= 2.7V to 5.5V, V
OUT
unloaded unless otherwise specified.
electrical characteristics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 4.5V to 5.5V, V
OUT
unloaded unless otherwise specified.
LTC2636-HMI12/-HMI10/-HMI8/-HMX12/-HMX10/-HMX8/-HZ12/-HZ10/-HZ8 (V
FS
= 4.096V)
SYMBOL PARAMETER CONDITIONS
LTC2636-8 LTC2636-10 LTC2636-12
UNITSMIN TYP MAX MIN TYP MAX MIN TYP MAX
DC Performance
Resolution
l
8 10 12 Bits
Monotonicity V
CC
= 5V, Internal Reference (Note 4)
l
8 10 12 Bits
DNL Differential
Nonlinearity
V
CC
= 5V, Internal Reference (Note 4)
l
±0.5 ±0.5 ±1 LSB
INL Integral Nonlinearity V
CC
= 5V, Internal Reference (Note 4)
l
±0.05 ±0.5 ±0.2 ±1 ±1 ±2.5 LSB
ZSE Zero-Scale Error V
CC
= 5V, Internal Reference, Code = 0
l
0.5 5 0.5 5 0.5 5 mV
V
OS
Offset Error V
CC
= 5V, Internal Reference (Note 5)
l
±0.5 ±5 ±0.5 ±5 ±0.5 ±5 mV
V
OSTC
V
OS
Temperature
Coefficient
V
CC
= 5V, Internal Reference ±10 ±10 ±10 µV/°C
GE Gain Error V
CC
= 5V, Internal Reference
l
±0.2 ±0.8 ±0.2 ±0.8 ±0.2 ±0.8 %FSR
GE
TC
Gain Temperature
Coefficient
V
CC
= 5V, Internal Reference (Note 10)
C-Grade
I-Grade
H-Grade
10
10
10
10
10
10
10
10
10
ppm/°C
ppm/°C
ppm/°C
Load
Regulation
V
CC
= 5V±10%, (Note 11)
Internal Reference, Mid-Scale,
–10mA ≤ I
OUT
≤ 10mA
l 0.006 0.01 0.022 0.04 0.09 0.16 LSB/mA
R
OUT
DC Output
Impedance
V
CC
= 5V±10%, (Note 11)
Internal Reference, Mid-Scale,
–10mA ≤ I
OUT
≤ 10mA
l
0.09 0.156 0.09 0.156 0.09 0.156 Ω