LTC1658
ELECTRICAL CHARACTERISTICS
VCC = 2.7V to 5.5V, VOUT unloaded, REF ≤ VCC, TA = TMIN to TMAX, unless otherwise noted.
SYMBOL PARAMETER
Output Impedance to GND
Output Line Regulation
AC Performance
Voltage Output Slew Rate
CONDITIONS
MIN
TYP
MAX
200
1.5
UNITS
Ω
Input Code = 0
●
●
70
Input Code = 16383, V = 2.7V to 5.5V, REF = 2.5V
mV/V
CC
●
0.35
1.0
12
V/µs
µs
Voltage Output Settling Time (Note 3) to ±0.5LSB
Digital Feedthrough
0.3
nV• s
Reference Input
R
REF Input Resistance
REF Input Range
●
●
30
0
60
kΩ
IN
V
(Notes 5, 6)
V
V
REF
CC
Digital I/O
V
V
V
V
V
V
V
V
Digital Input High Voltage
Digital Input Low Voltage
Digital Output High Voltage
Digital Output Low Voltage
Digital Input High Voltage
Digital Input Low Voltage
Digital Output High Voltage
Digital Output Low Voltage
Digital Input Leakage
V
V
V
V
V
V
V
V
V
= 5V
●
●
●
●
●
●
●
●
●
●
2.4
V
V
IH
IL
CC
CC
CC
CC
CC
CC
CC
CC
IN
= 5V
0.8
0.4
0.6
= 5V, I
= 5V, I
= 3V
= –1mA, D
Only
V
V
– 0.7
CC
V
OH
OL
IH
OUT
OUT
OUT
= 1mA, D
Only
V
OUT
OUT
2.0
V
= 3V
V
IL
= 3V, I
= 3V, I
= –1mA, D
Only
Only
– 0.7
CC
V
OH
OL
LEAK
OUT
= 1mA, D
0.4
±10
10
V
OUT
OUT
I
= GND to V
µA
pF
CC
C
Digital Input Capacitance
(Note 6)
IN
Switching (V = 4.5V to 5.5V)
CC
t
t
t
t
t
t
t
t
t
D
D
Valid to CLK Setup
Valid to CLK Hold
●
●
●
●
●
●
●
●
●
40
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
1
2
3
4
5
6
7
8
9
IN
IN
CLK High Time
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
40
40
50
40
20
5
CLK Low Time
CS/LD Pulse Width
LSB CLK to CS/LD
CS/LD Low to CLK
D
OUT
Output Delay
C
= 15pF
LOAD
100
CLK Low to CS/LD Low
(Note 6)
20
Switching (V = 2.7V to 5.5V)
CC
t
t
t
t
t
t
t
t
t
D
D
Valid to CLK Setup
Valid to CLK Hold
●
●
●
●
●
●
●
●
●
60
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
1
2
3
4
5
6
7
8
9
IN
IN
CLK High Time
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
60
60
80
60
30
10
30
CLK Low Time
CS/LD Pulse Width
LSB CLK to CS/LD
CS/LD Low to CLK
D
OUT
Output Delay
C
= 15pF
LOAD
150
CLK Low to CS/LD Low
(Note 6)
3
LINEAR_DIMENSIONS [ Linear Dimensions ]
