Datasheet
LTC1663
3
1663fd
ELECTRICAL CHARACTERISTICS
The ● denotes specifi cations which apply over the full operating temperature
range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 2.7V to 5.5V, V
CC
set as reference, V
OUT
unloaded, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Positive Supply Voltage
l
2.7 5.5 V
I
CC
Supply Current V
CC
= 3V (Note 3)
V
CC
= 5V (Note 3)
l
l
60
75
100
125
μA
μA
I
SD
Supply Current in Shutdown Mode (Note 3)
LTC1663E (Note 3)
l
l
10
12
16
24
μA
μA
Op Amp DC Performance
Short-Circuit Current (Sourcing) V
OUT
Shorted to GND, Input Code = 1023
l
25 100 mA
Short-Circuit Current (Sinking) V
OUT
Shorted to V
CC
, Input Code = 0
l
30 120 mA
Output Impedance to GND Input Code = 0, V
CC
= 5V
Input Code = 0, V
CC
= 3V
In Shutdown Mode
65
150
500
Ω
Ω
kΩ
Output Impedance to V
CC
Input Code = 1023, V
CC
= 5V
Input Code = 1023, V
CC
= 3V
80
120
Ω
Ω
AC Performance
Voltage Output Slew Rate Rising (Notes 4, 5)
Falling (Notes 4, 5)
0.75
0.25
V/μs
V/μs
Voltage Output Settling Time To ± 0.5LSB (Notes 4, 5) 30 μs
Digital Feedthrough 0.75 nV•s
Digital-to-Analog Glitch Impulse 1LSB Change Around Major Carry 70 nV•s
Digital Inputs SCL, SDA
V
IH
High Level Input Voltage
l
1.4 V
V
IL
Low Level Input Voltage
l
0.6 V
V
LT H
Logic Threshold Voltage 1V
I
LEAK
Digital Input Leakage V
CC
= 5.5V and 0V, V
IN
= GND to V
CC
V
CC
= 5.5V and 0V, V
IN
= GND to V
CC
(LTC1663E)
l
l
±1.0
±1.2
μA
μA
C
IN
Digital Input Capacitance (Note 7)
l
10 pF
Digital Output SDA
V
OL
Digital Output Low Voltage I
PULLUP
= 350μA
l
0.4 V
Address Inputs AD0, AD1, AD2 (MSOP Only)
I
UP
Address Pin Pull-Up Current V
IN
= 0V
l
0.5 1.5 μA
V
IH
High Level Input Voltage
l
V
CC
– 0.3 V
V
IL
Low Level Input Voltage
l
0.8 V
TIMING CHARACTERISTICS
The ● denotes specifi cations which apply over the full operating temperature
range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 2.7V to 5.5V, V
CC
set as reference, V
OUT
unloaded, unless otherwise noted.
SYMBOL PARAMETER MIN TYP MAX UNITS
SMBus Timing Characteristics (Notes 6, 7)
f
SMB
SMBus Operating Frequency
●
10 100 kHz
t
BUF
Bus Free Time Between Stop and Start Condition
●
4.7 μs
t
HD, STA
Hold Time After (Repeated) Start Condition
●
4.0 μs
t
SU, STA
Repeated Start Condition Setup Time
●
4.7 μs
t
SU, STO
Stop Condition Setup Time
●
4.0 μs
t
HD, DAT
Data Hold Time
●
300 ns