LTC1659
3
1659fa
ELECTRICAL CHARACTERISTICS The ● denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VCC = 2.7V to 5.5V, VOUT unloaded, REF ≤ VCC, TA = TMIN to TMAX
unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOS
Offset Error
Measured at Code 20
●
±12
±18
mV
VOS TC
Offset Error Temperature Coefcient
±15
μV/°C
VFS
Full-Scale Voltage
REF = 4.096V
●
4.070
4.060
4.095
4.120
4.130
V
VFS TC
Full-Scale Voltage Temperature Coefcient
10
ppm/°C
Power Supply
VCC
Positive Supply Voltage
For Specied Performance
●
2.7
5.5
V
ICC
Supply Current
(Note 5)
●
240
450
μA
Op Amp DC Performance
Short-Circuit Current Low
VOUT Shorted to GND
●
70
120
mA
Short-Circuit Current High
VOUT Shorted to VCC
●
65
120
mA
Output Impedance to GND
Input Code = 0
●
40
150
Ω
Output Line Regulation
Input Code = 4095, VCC = 4.5V to 5.5V
0.1
1.5
LSB/V
AC Performance
Voltage Output Slew Rate
(Note 3)
●
0.5
1.0
V/μs
Voltage Output Settling Time
(Notes 3, 4) to ±0.5LSB
14
μs
Digital Feedthrough
0.3
nV s
Reference Input
RIN
REF Input Resistance
●
17
28
40
k
Ω
REF
REF Input Range
(Notes 6, 7)
●
0VCC
V
Digital I/O
VIH
Digital Input High Voltage
VCC = 5V
●
2.4
V
VIL
Digital Input Low Voltage
VCC = 5V
●
0.8
V
VOH
Digital Output High Voltage
VCC = 5V, IOUT = –1mA, DOUT Only
● VCC – 1.0
V
VOL
Digital Output Low Voltage
VCC = 5V, IOUT = 1mA, DOUT Only
●
0.4
V
VIH
Digital Input High Voltage
VCC = 3V
●
2.0
V
VIL
Digital Input Low Voltage
VCC = 3V
●
0.6
V
VOH
Digital Output High Voltage
VCC = 3V, IOUT = –1mA, DOUT Only
● VCC – 0.7
V
VOL
Digital Output Low Voltage
VCC = 3V, IOUT = 1mA, DOUT Only
●
0.4
V
ILEAK
Digital Input Leakage
VIN = GND to VCC
●
±10
μA
CIN
Digital Input Capacitance
(Note 7)
●
10
pF