LTC1662
3
1662fa
electrical characteristics The
l
denotes the specifications which apply over the full operating
temperature range (TA = TMIN to TMAX), otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VREF ≤ VCC, VOUT unloaded
unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Accuracy
Resolution
l
10
Bits
Monotonicity
(Note 2)
l
10
Bits
DNL
Differential Nonlinearity
(Note 2)
l
±0.12
±0.75
LSB
INL
Integral Nonlinearity
(Note 2)
l
±0.8
±4
LSB
VOS
Offset Error
VCC = 5V, VREF = 4.096V, Measured at Code 20
l
±5
±25
mV
VOS TC
VOS Temperature Coefficient
±15
V/°C
GE
Gain Error
VCC = 5V, VREF = 4.096V
l
±1
±8
LSB
GE TC
Gain Error Temperature Coefficient
±12
V/°C
PSR
Power Supply Rejection
VREF = 2.5V
0.18
LSB/V
Reference Input
Input Voltage Range
l
0
VCC
V
Input Resistance
Active Mode
Sleep Mode
l
3.9
7.1
2.5
Input Capacitance
10
pF
Power Supply
VCC
Positive Supply Voltage
For Specified Performance
l
2.7
5.5
V
ICC
Supply Current
VCC = 3V (Note 3)
VCC = 5V (Note 3)
VCC = 3V (Note 3)
VCC = 5V (Note 3)
l
3.0
3.5
4.0
4.5
5.0
5.5
A
Sleep Mode Operating Current
Supply Plus Reference Current, VCC = VREF = 5V (Note 3)
l
0.05
0.10
0.18
A
DC Performance
Short-Circuit Current Low
VOUT = 0V, VCC = VREF = 5V, Code = 1023 (Note 7)
l
5
12
70
mA
Short-Circuit Current High
VOUT = VCC = VREF = 5V, Code = 0 (Note 7)
l
3
10
80
mA
AC Performance
Voltage Output Slew Rate
Rising (Notes 4, 5)
Falling (Notes 4, 5)
20
7
V/ms
Voltage Output Settling Time
Rising 0.1VFS to 0.9VFS ±0.5LSB (Notes 4, 5)
Falling 0.9VFS to 0.1VFS ±0.5LSB (Notes 4, 5)
0.40
0.75
ms
Capacitive Load Driving
1000
pF
Digital I/O
VIH
Digital Input High Voltage
VCC = 2.7V to 5.5V
VCC = 2.7V to 3.6V
l
2.4
2.0
V
VIL
Digital Input Low Voltage
VCC = 4.5V to 5.5V
VCC = 2.7V to 5.5V
l
0.8
0.6
V
ILK
Digital Input Leakage
VIN = GND to VCC
l
±0.05
±1.0
A
CIN
Digital Input Capacitance
1.5
pF
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