LTC2655IGN-L12-TRPBF データシートの表示（PDF） - Linear Technology
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LTC2655IGN-L12-TRPBF
Linear Technology
LTC2655IGN-L12-TRPBF Datasheet PDF : 28 Pages
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LTC2655
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VOUT unloaded unless otherwise specified.
LTC2655B-L16/ LTC2655-L12 (Internal Reference=1.25V)
LTC2655-12
LTC2655B-16
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX UNITS
DC Performance
Resolution
l 12
16
Bits
Monotonicity
(Note 3)
l 12
16
Bits
DNL
Differential Nonlinearity
(Note 3)
l
±0.1 ±0.5
±0.3 ±1
LSB
INL
Integral Nonlinearity (Note 3) VCC = 5.5V, VREF = 2.5V
l
Load Regulation
VCC = 5V ±10%, Internal Reference, l
Mid-Scale, –15mA ≤ IOUT ≤ 15mA
VCC = 3V ±10%, Internal Reference, l
Mid-Scale, –7.5mA ≤ IOUT ≤ 5mA
ZSE
Zero-Scale Error
l
±0.5 ±1
0.04 0.125
0.06 0.25
1
3
±2 ±4
LSB
0.6 2 LSB/mA
1
4 LSB/mA
1
3
mV
VOS
Offset Error
VREF = 1.25V (Note 4)
VOS Temperature Coefficient
GE
Gain Error
l
±1 ±2
±1 ±2
mV
5
5
μV/°C
l
±0.02 ±0.1
±0.02 ±0.1
%FSR
Gain Temperature Coefficient
1
1
ppm/°C
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
VOUT
DAC Output Span
PSR
Power Supply Rejection
ROUT
DC Output Impedance
DC Crosstalk (Note 5)
Internal Reference
External Reference = VEXTREF
VCC ±10%
VCC = 5V ±10%, Internal Reference, Mid-Scale, l
–15mA ≤ IOUT ≤ 15mA
VCC = 3V ±10%, Internal Reference, Mid-Scale, l
–7.5mA ≤ IOUT ≤ 7.5mA
Due to Full-Scale Output Change
Due to Load Current Change
Due to Powering Down (per Channel)
0 to 2.5
0 to 2•VEXTREF
–80
0.04
0.15
0.04
0.15
±1.5
±2
±1
ISC
Short-Circuit Output Current (Note 6) VCC = 5.5V VEXTREF = 2.8V
Code: Zero-Scale; Forcing Output to VCC
l 20
65
Code: Full-Scale; Forcing Output to GND
l 20
65
VCC = 2.7V VEXTREF = 1.4V
Code: Zero-Scale; Forcing Output to VCC
l 10
45
Code: Full-Scale; Forcing Output to GND
l 10
45
UNITS
V
V
dB
Ω
Ω
μV
μV/mA
μV
mA
mA
mA
mA
2655f
5
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