Datasheet

LTC1664
3
1664fa
electrical characteristics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 2.7V to 5.5V, V
REF
≤ V
CC
, V
OUT
unloaded, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Accuracy
Resolution
l
10 Bits
Monotonicity (Notes 2, 4)
l
10 Bits
DNL Differential Nonlinearity (Notes 2, 4)
l
±0.2 ±0.75 LSB
INL Integral Nonlinearity (Notes 2, 4)
l
±0.6 ±2.5 LSB
V
OS
Offset Error (Note 7)
l
±10 ±30 mV
V
OS
Temperature Coefficient
l
±15 µV/°C
FSE Full-Scale Error V
CC
= 5V, V
REF
= 4.096V (Note 4)
l
±3 ±15 LSB
Full-Scale Error Temperature Coefficient
l
±30 µV/°C
PSR Power Supply Rejection V
REF
= 2.5V 0.18 LSB/V
Reference Input
Input Voltage Range
l
0 V
CC
V
Resistance Not in Sleep Mode
l
70 130 kΩ
Capacitance 12 pF
I
REF
Reference Current Sleep Mode
l
0.001 1 µA
Power Supply
V
CC
Positive Supply Voltage
l
2.7 5.5 V
I
CC
Supply Current V
CC
= 5V (Note 3)
V
CC
= 3V (Note 3)
Sleep Mode (Note 3)
l
l
l
236
186
1
380
290
3
µA
µA
µA
DC Performance
Short-Circuit Current Low V
OUT
= 0V, V
CC
= 5.5V, V
REF
= 5.1V,
Code = 1023 (Note 9)
l
10 30 100 mA
Short-Circuit Current High V
OUT
= V
CC
= 5.5V, V
REF
= 5.1V,
Code = 0 (Note 9)
l
10 27 120 mA
AC Performance
Voltage Output Slew Rate Rising (Notes 4, 5)
Falling (Notes 4, 5)
0.60
0.25
V/µs
V/µs
Voltage Output Settling Time Rising 0.1V
FS
to 0.9V
FS
±0.5LSB (Notes 4, 5)
Falling 0.9V
FS
to 0.1V
FS
± 0.5LSB (Notes 4, 5)
6
19
µs
µs
Capacitive Load Driving 1000 pF
Digital I/O
V
IH
Digital Input High Voltage V
CC
= 2.7V to 5.5V
V
CC
= 2.7V to 3.6V
l
l
2.4
2.0
V
V
V
IL
Digital Input Low Voltage V
CC
= 4.5V to 5.5V
V
CC
= 2.7V to 5.5V
l
l
0.8
0.6
V
V
V
OH
Digital Output High Voltage I
OUT
= –1mA, D
OUT
Only
l
V
CC
– 1 V
V
OL
Digital Output Low Voltage I
OUT
= 1mA, D
OUT
Only
l
0.4 V
I
LK
Digital Input Leakage V
IN
= GND to V
CC
l
0.05 ±10 µA
C
IN
Digital Input Capacitance 2 pF