LTC2605C Ver la hoja de datos (PDF) - Linear Technology
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LTC2605C Datasheet PDF : 18 Pages
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LTC2605/LTC2615/LTC2625
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.7V), VOUT unloaded,
unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
LTC2625/LTC2625-1 LTC2615/LTC2615-1 LTC2605/LTC2605-1
MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
DC Performance
Resolution
l 12
14
16
Bits
Monotonicity
(Note 2)
l 12
14
16
Bits
DNL
Differential Nonlinearity (Note 2)
l
±0.5
±1
±1
LSB
INL
Integral Nonlinearity (Note 2)
l
±1 ±4
±4 ±16
±18 ±64
LSB
Load Regulation
ZSE
Zero-Scale Error
VREF = VCC = 5V, Mid-Scale
IOUT = 0mA to 15mA Sourcing l
IOUT = 0mA to 15mA Sinking l
VREF = VCC = 2.7V, Mid-Scale
IOUT = 0mA to 7.5mA Sourcing l
IOUT = 0mA to 7.5mA Sinking l
Code = 0
l
0.02 0.125
0.03 0.125
0.04 0.25
0.07 0.25
1.7 9
0.07 0.5
0.10 0.5
0.15 1
0.20 1
1.7 9
0.3 2 LSB/mA
0.4 2 LSB/mA
0.6 4 LSB/mA
0.8 4 LSB/mA
1.7 9
mV
VOS
Offset Error
(Note 4)
VOS Temperature
Coefficient
l
±1 ±9
±5
±1 ±9
±5
±1 ±9
±5
mV
μV/°C
GE
Gain Error
l
±0.1 ±0.7
±0.1 ±0.7
±0.1 ±0.7 %FSR
Gain Temperature
Coefficient
±8
±8
±8
ppm/°C
The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.7V), VOUT unloaded, unless otherwise noted. (Note 9)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
PSR
Power Supply Rejection
ROUT
DC Output Impedance
DC Crosstalk (Note 10)
VCC ±10%
VREF = VCC = 5V, Mid-Scale; –15mA ≤ IOUT ≤ 15mA
l
VREF = VCC = 2.7V, Mid-Scale; –7.5mA ≤ IOUT ≤ 7.5mA l
Due to Full-Scale Output Change (Note 11)
Due to Load Current Change
Due to Powering Down (per Channel)
–80
dB
0.02 0.15
Ω
0.03 0.15
Ω
±10
μV
±3.5
μV/mA
±7
μV
ISC
Short-Circuit Output Current
VCC = 5.5V, VREF = 5.5V
Code: Zero-Scale; Forcing Output to VCC
Code: Full-Scale; Forcing Output to GND
l 15
34
60
mA
l 15
34
60
mA
VCC = 2.7V, VREF = 2.7V
Code: Zero-Scale; Forcing Output to VCC
Code: Full-Scale; Forcing Output to GND
l 7.5
20
50
mA
l 7.5
27
50
mA
Reference Input
Input Voltage Range
Resistance
Normal Mode
l
0
VCC
V
l 11
16
20
kΩ
Capacitance
90
pF
IREF
Reference Current, Power-Down Mode DAC Powered Down
Power Supply
l
0.001 1
μA
VCC
Positive Supply Voltage
ICC
Supply Current
For Specified Performance
VCC = 5V (Note 3)
VCC = 3V (Note 3)
DAC Powered Down (Note 3), VCC = 5V
DAC Powered Down (Note 3), VCC = 3V
l 2.7
5.5
V
l
2.50 4.0
mA
l
2.00 3.2
mA
l
0.38 1.0
μA
l
0.16 1.0
μA
2605fa
3
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