Техническая Спецификация для Linear Technology DC1332A-A - LTC2631-LM12: 12-Bit I²C DAC (2.5V ref, Reset to Mid-Scale), req DC590B DC1332A-A DC1332A-A
Модели
DC1332A-A
LTC2631
7
2631fc
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
= 2.7V to 5.5V, V
OUT
unloaded unless otherwise specified.
LTC2631-LM12/-LM10/-LM8/-LZ12/-LZ10/-LZ8, LTC2631A-LM12/-LZ12 (V
FS
= 2.5V)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
AC Performance
t
t
S
Settling Time
V
CC
= 3V (Note 9)
±0.39% (±1LSB at 8-Bits)
±0.098% (±1LSB at 10-Bits)
±0.024% (±1LSB at 12-Bits)
3.2
3.8
4.1
µs
µs
µs
Voltage-Output Slew Rate
1
V/µs
Capacitance Load Driving
500
pF
Glitch Impulse
At Mid-Scale Transition
2.1
nV•s
Multiplying Bandwidth
External Reference
300
kHz
e
n
Output Voltage Noise Density
At f = 1kHz, External Reference
At f = 10kHz, External Reference
At f = 1kHz, Internal Reference
At f = 10kHz, Internal Reference
140
130
160
150
nV√Hz
nV√Hz
nV√Hz
nV√Hz
Output Voltage Noise
0.1Hz to 10Hz, External Reference
0.1Hz to 10Hz, Internal Reference
0.1Hz to 200kHz, External Reference
0.1Hz to 200kHz, Internal Reference,
C
REF
= 0.33µF
20
20
650
670
µV
P-P
µV
P-P
µV
P-P
µV
P-P
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. (See Figure 1) (Note 13).
LTC2631-LM12/-LM10/-LM8/-LZ12/-LZ10/-LZ8, LTC2631A-LM12/-LZ12 (V
FS
= 2.5V)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
f
SCL
SCL Clock Frequency
l
0
400
kHz
t
HD(STA)
Hold Time (Repeated) Start Condition
l
0.6
µs
t
LOW
Low Period of the SCL Clock Pin
l
1.3
µs
t
HIGH
High Period of the SCL Clock Pin
l
0.6
µs
t
SU(STA)
Set-Up Time for a Repeated Start Condition
l
0.6
µs
t
HD(DAT)
Data Hold Time
l
0
0.9
µs
t
SU(DAT)
Data Set-Up Time
l
100
ns
t
r
Rise Time of Both SDA and SCL Signals
(Note 12)
l
20 + 0.1C
B
300
ns
t
f
Fall Time of Both SDA and SCL Signals
(Note 12)
l
20 + 0.1C
B
300
ns
t
SU(STO)
Set-Up Time for Stop Condition
l
0.6
µs
t
BUF
Bus Free Time Between a Stop and Start Condition
l
1.3
µs