LTC1669
The ● denotes specifications which apply over the full operating
ELECTRICAL CHARACTERISTICS
unless otherwise noted.
temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VCC set as reference, VOUT unloaded,
SYMBOL PARAMETER
Output Impedance to GND
CONDITIONS
MIN
TYP
MAX
UNITS
Input Code = 0, V = 5V
65
150
500
Ω
Ω
kΩ
CC
CC
Input Code = 0, V = 3V
In Shutdown Mode
Output Impedance to V
Input Code = 1023, V = 5V
80
120
Ω
Ω
CC
CC
Input Code = 1023, V = 3V
CC
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
Digital Feedthrough
To ±0.5LSB (Notes 4, 5)
30
0.75
70
µs
nV • s
nV • s
Digital-to-Analog Glitch Impulse
1LSB Change Around Major Carry
Digital Inputs SCL, SDA
V
V
V
High Level Input Voltage
Low Level Input Voltage
Logic Threshold Voltage
Digital Input Leakage
●
●
2.1
V
V
IH
1.5
IL
1.8
0.5
V
LTH
LEAK
I
V
= 5.5V and 0V, V = GND to V
CC
●
●
±1
µA
pF
CC
IN
C
Digital Input Capacitance
(Note 7)
10
IN
Digital Output SDA
Digital Output Low Voltage
Address Inputs AD0, AD1, AD2 (MSOP Only)
V
I
= 3mA
●
0.4
1.5
0.8
V
OL
PULLUP
I
Address Pin Pull-Up Current
High Level Input Voltage
Low Level Input Voltage
V
= 0V
IN
●
●
●
µA
V
UP
V
V
V
– 0.3
CC
IH
V
IL W U
The ● denotes specifications which apply over the full operating temperature
TI I G CHARACTERISTICS
range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VCC set as reference, VOUT unloaded, unless otherwise noted.
SYMBOL
PARAMETER
MIN
TYP
MAX
UNITS
Timing Characteristics (Notes 6, 7)
f
t
t
t
t
t
t
t
t
t
t
t
Clock Operating Frequency
Bus Free Time Between Stop and Start Condition
Hold Time After (Repeated) Start Condition
Repeated Start Condition Setup Time
Stop Condition Setup Time
Data Hold Time (Input)
●
●
●
●
●
●
●
●
●
●
●
●
100
kHz
µs
µs
µs
µs
ns
ns
ns
µs
µs
ns
ns
SCL
4.7
4
BUF
HD, STA
SU, STA
SU, STO
HD, DAT (IN)
HD, DAT (OUT)
SU, DAT
LOW
4.7
4
0
Data Hold Time (Output)
225
250
4.7
4
500
3450
Data Setup Time
Clock Low Period
Clock High Period
HIGH
Clock, Data Fall Time
20
20
300
f
Clock, Data Rise Time
1000
r
Note 1: Absolute maximum ratings are those values beyond which the life
Note 4: Load is 10kΩ in parallel with 100pF.
Note 5: V = V = 5V. DAC switched between 0.1V and 0.9V ,
FS
of a device may be impaired.
CC
REF
FS
Note 2: Nonlinearity and monotonicity are defined from code 20 to code
1003 (full scale). See Applications Information.
i.e., codes k = 102 and k = 922.
Note 6: All values are referenced to V and V levels.
IH
IL
Note 3: Digital inputs at 0V or V
.
CC
Note 7: Guaranteed by design and not subject to test.
1669f
3