English
Language : 

LTC2631 Datasheet, PDF (8/28 Pages) Linear Technology – Single 12-/10-/8-Bit I2C VOUT DACs with 10ppm/°C Reference
LTC2631
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 4.5V to 5.5V, VOUT unloaded unless otherwise specified.
LTC2631-HM12/-HM10/-HM8/-HZ12/-HZ10/-HZ8, LTC2631A-HM12/-HZ12 (VFS = 4.096V)
LTC2631-8
LTC2631-10
LTC2631-12 LTC2631A-12
SYMBOL PARAMETER CONDITIONS
MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
DC Performance
Resolution
l8
10
12
12
Bits
Monotonicity VCC = 5V, Internal Ref. (Note 4) l 8
DNL Differential
Nonlinearity
VCC = 5V, Internal Ref. (Note 4) l
10
±0.5
12
±0.5
12
±1
Bits
±1 LSB
INL
Integral
VCC = 5V, Internal Ref. (Note 4) l
±0.05 ±0.5
Nonlinearity
±0.2 ±1
±1 ±2.5
±0.5 ±1 LSB
ZSE
VOS
VOSTC
Zero-Scale Error VCC = 5V, Internal Ref., Code = 0 l
Offset Error
VCC = 5V, Internal Ref. (Note 5) l
VOS Temperature VCC = 5V, Internal Ref. (Note 5)
Coefficient
0.5 5
±0.5 ±5
±10
0.5 5
±0.5 ±5
±10
0.5 5
±0.5 ±5
±10
0.5 5
±0.5 ±5
±10
mV
mV
μV/°C
FSE
VFSTC
Full-Scale Error
Full-Scale
Voltage
Temperature
Coefficient
VCC = 5V, Internal Ref. (Note 15) l
VCC = 5V, Internal Ref. (Note 10)
C-Grade
I-Grade
H-Grade
±0.08 ±0.4
±10
±10
±10
±0.08 ±0.4
±10
±10
±10
±0.08 ±0.4
±10
±10
±10
±0.08 ±0.4 %FSR
±10
ppm/°C
±10
ppm/°C
±10
ppm/°C
Load Regulation VCC = 5V ±10%, Internal Ref. l
Mid-Scale, –10mA ≤ IOUT ≤ 10mA
ROUT DC Output
Impedance
VCC = 5V ±10%, Internal Ref. l
Mid-Scale, –10mA ≤ IOUT ≤ 10mA
0.006 0.01
0.09 0.156
0.022 0.04
0.09 0.156
0.09 0.16
0.09 0.156
0.09 0.16 LSB/mA
0.09 0.156
Ω
SYMBOL
VOUT
PSR
ISC
Power Supply
VCC
ICC
ISD
PARAMETER
DAC Output Span
Power Supply Rejection
Short-Circuit Output Current (Note 6)
Sinking
Sourcing
CONDITIONS
External Reference
Internal Reference
VCC = 5V ±10%
VFS = VCC = 5.5V
Zero-Scale; VOUT shorted to VCC
Full-Scale; VOUT shorted to GND
MIN
TYP
MAX
0 to VREF
0 to 4.096
–80
UNITS
V
V
dB
l
27
48
mA
l
–28
–48
mA
Positive Supply Voltage
For Specified Performance
l 4.5
5.5
V
Supply Current (Note 7)
VCC = 5V, VREF = 4.096V, External Reference l
VCC = 5V, Internal Reference
l
Supply Current in Power-Down Mode VCC = 5V, C-Grade, I-Grade
l
(Note 7)
VCC = 5V, H-Grade
l
160
220
μA
200
270
μA
0.6
1.8
μA
0.6
4
μA
2631fb
8