LTC2655 Linear Technology, LTC2655 Datasheet - Page 6

• Manufacturer Part Number: LTC2655
• Description: 16-/12-Bit Rail-to-Rail DACs
• Manufacturer: Linear Technology

DataSheet.in
ELECTRICAL CHARACTERISTICS
LTC2655
LTC2655B-L16/LTC2655-L12 (Internal Reference = 1.25V)
SYMBOL
Reference
Power Supply
V
I
I
Digital I/O
V
V
V
V
V
V
R
R
R
V
t
t
I
C
C
C
temperature range, otherwise specifi cations are at T
6
CC
SD
OF
SP
IN
CC
IL
IH
IL(LDAC)
IH(LDAC)
IL(CA)
IH(CA)
INH
INL
INF
OL
IN
B
CA n
PARAMETER
Reference Output Voltage
Reference Temperature Coeffi cient
Reference Line Regulation
Reference Short-Circuit Current
REFCOMP Pin Short-Circuit Current
Reference Load Regulation
Reference Output Voltage Noise Density
Reference Input Range
Reference Input Current
Reference Input Capacitance
Positive Supply Voltage
Supply Current (Note 8)
Supply Current in Shutdown Mode (Note 8) V
Low Level Input Voltage (SDA and SCL)
High Level Input Voltage (SDA and SCL)
Low Level Input Voltage (LDAC)
High Level Input Voltage (LDAC)
Low Level Input Voltage (CA0 to CA2)
High Level Input Voltage (CA0 to CA2)
Resistance from CA n ( n = 0,1,2)
to V
Resistance from CAn ( n = 0,1,2)
to GND to Set CA n = GND
Resistance from CA n ( n = 0,1,2)
to V
Low Level Output Voltage
Output Fall Time
Pulse Width of Spikes Suppressed by Input
Filter
Input Leakage
I/O Pin Capacitance
Capacitance Load for Each Bus Line
External Capacitive Load on Address Pins
CA0, CA1 and CA2
CC
CC
to Set CA n = V
or GND to Set Ca n = FLOAT
CC
CONDITIONS
(Note 7)
V
V
V
V
C
External Reference Mode (Note 14)
(Note 9)
For Specifi ed Performance
V
V
V
V
V
V
V
V
See Test Circuit 1
See Test Circuit 1
See Test Circuit 2
See Test Circuit 2
See Test Circuit 2
Sink Current =3mA
V
C
0.1V
(Note 9)
CC
CC
CC
CC
REFCOMP
CC
CC
CC
CC
CC
CC
CC
CC
CC
O
B
A
= V
= 10pF to 400pF (Note 13)
= 25°C. V
±10%
= 5.5V, Forcing REFIN/OUT to GND
= 5.5V, Forcing REFCOMP to GND
= 3V±10% or 5V±10%, I
= 5V, Internal Reference On
= 5V, Internal Reference Off
= 3V, Internal Reference On
= 3V, Internal Reference Off
= 5V
= 4.5V to 5.5V
= 2.7V to 4.5V
= 3.6V to 5.5V
= 2.7V to 3.6V
CC
IH(MIN)
≤ V
The
= C
IN
≤ 0.9V
REFIN/OUT
to V
l
CC
denotes the specifi cations which apply over the full operating
O
= 2.7V to 5.5V, V
= V
CC
IL(MAX)
= 0.1μF , at f = 1kHz
OUT
,
= 100μA Sourcing
OUT
unloaded unless otherwise specifi ed.
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
20+0.1C
0.85V
0.7V
1.248
MIN
0.5
2.7
2.4
2
2
0
0
CC
CC
B
0.001
1.25
TYP
–80
1.7
1.3
1.6
1.2
±2
65
40
30
20
3
0.15V
0.3V
V
1.252
MAX
200
250
400
±10
5.5
2.5
2.2
1.7
0.8
0.6
0.4
CC
10
10
50
10
10
5
1
2
3
1
/2
CC
CC
ppm/°C
mV/mA
nV/√Hz
UNITS
2655f
MΩ
mA
mA
mA
mA
mA
kΩ
kΩ
dB
μA
μA
μA
μA
pF
ns
ns
pF
pF
pF
V
V
V
V
V
V
V
V
V
V
V
V