LTC1458 Linear Technology, LTC1458 Datasheet - Page 3

• Manufacturer Part Number: LTC1458
• Description: Quad 12-Bit Rail-to-Rail Micropower DACs
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
V
unless otherwise noted.
SYMBOL
Power Supply
V
I
Op Amp DC Performance
AC Performance
SINAD
V
SYMBOL
Digital I/O
V
V
V
V
I
C
Switching
t
t
t
t
t
t
t
t
t
CC
LEAK
1
2
3
4
5
6
7
8
9
CC
IH
IL
OH
OL
IN
CC
CC
= 5V (LTC1458), 3V (LTC1458L), T
= 4.5V to 5.5V (LTC1458), 2.7V to 5.5V (LTC1458L), X1/X2 = REFLO = GND, REFHI = REFOUT, V
PARAMETER
Reference Input Capacitance
Short-Circuit Current
Positive Supply Voltage
Supply Current
Short-Circuit Current Low
Short-Circuit Current High
Output Impedance to GND
Voltage Output Slew Rate
Voltage Output Settling Time
Digital Feedthrough
AC Feedthrough
Signal-to-Noise + Distortion
PARAMETER
Digital Input High Voltage
Digital Input Low Voltage
Digital Output High Voltage
Digital Output Low Voltage
Digital Input Leakage
Digital Input Capacitance
D
D
CLK High Time
CLK Low Time
CS/LD Pulse Width
LSB CLK to CS/LD
CS/LD Low to CLK
D
CLK Low to CS/LD Low
IN
IN
OUT
Valid to CLK Setup
Valid to CLK Hold
Output Delay
A
CONDITIONS
REFOUT Shorted to GND
For Specified Performance, LTC1458
4.5V V
2.7V V
V
V
Input Code = 0
(Note 2)
(Notes 2, 3) to 0.5LSB
REFHI = 1kHz, 2V
REFHI = 1kHz, 2V
CONDITIONS
I
I
V
Guaranteed by Design,
Not Subject to Test
C
= T
OUT
OUT
OUT
OUT
IN
LOAD
= GND to V
MIN
= – 1mA
= 1mA
Shorted to GND
Shorted to V
= 15pF
CC
CC
to T
MAX
5.5V (Note 4) , LTC1458
5.5V (Note 4), LTC1458L
CC
P-P
P-P
CC
, (Code: All 0s)
, (Code: All 1s)
LTC1458L
V
CC
MIN
2.4
40
40
40
50
40
20
20
– 1.0
0
LTC1458
TYP
MAX
150
0.8
0.4
10
10
LTC1458/LTC1458L
MIN
4.5
2.7
0.5
OUT
V
CC
MIN
2.0
60
60
60
80
60
30
30
0
– 0.7
unloaded, T
1100
TYP
– 95
800
1.0
0.3
LTC1458L
15
45
60
70
40
14
85
TYP
A
2000
MAX
2400
= T
120
120
120
120
5.5
5.5
MAX
220
0.6
0.4
MIN
10
10
to T
MAX
UNITS
UNITS
nV • s
3
V/ s
,
mA
mA
mA
dB
dB
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
A
A
V
V
V
V
A
s