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LTC2634 Datasheet, PDF (5/28 Pages) Linear Technology – Quad 12-/10-/8-Bit Rail-to-Rail DACs with 10ppm/°C Reference
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LTC2634
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.
LTC2634-LMI12/-LMI10/-LMI8/-LMX12/-LMX10/-LMX8/-LZ12/-LZ10/-LZ8 (VFS = 2.5V)
SYMBOL PARAMETER
CONDITIONS
LTC2634-8
LTC2634-10
LTC2634-12
MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
DC Performance
Resolution
l8
10
12
Bits
DNL
INL
ZSE
VOS
VOSTC
Monotonicity
Differential Nonlinearity
Integral Nonlinearity
Zero-Scale Error
Offset Error
VOS Temperature
Coefficient
VCC = 3V, Internal Ref. (Note 4)
VCC = 3V, Internal Ref. (Note 4)
VCC = 3V, Internal Ref. (Note 4)
VCC = 3V, Internal Ref., Code = 0
VCC = 3V, Internal Ref. (Note 5)
VCC = 3V, Internal Ref.
l8
10
12
Bits
l
±0.5
±0.5
±1
LSB
l
±0.05 ±0.5
±0.2 ±1
±1 ±2.5 LSB
l
0.5 5
0.5 5
0.5 5
mV
l
±0.5 ±5
±0.5 ±5
±0.5 ±5
mV
±10
±10
±10
μV/°C
GE
Gain Error
GETC Gain Temperature
Coefficient
VCC = 3V, Internal Ref.
VCC = 3V, Internal Ref. (Note 10)
C-Grade
I-Grade
H-Grade
l
±0.2 ±0.8
±0.2 ±0.8
±0.2 ±0.8 %FSR
10
10
10
ppm/°C
10
10
10
ppm/°C
10
10
10
ppm/°C
Load Regulation
Internal Ref., Mid-Scale
VCC = 3V ±10%, –5mA ≤ IOUT ≤ 5mA
l
Internal Ref., Mid-Scale
VCC = 5V ±10%, –10mA ≤ IOUT ≤ 10mA l
ROUT DC Output Impedance Internal Ref., Mid-Scale
VCC = 3V ±10%, –5mA ≤ IOUT ≤ 5mA l
Internal Ref., Mid-Scale
VCC = 5V ±10%, –10mA ≤ IOUT ≤ 10mA l
0.009 0.016
0.009 0.016
0.09 0.156
0.09 0.156
0.035 0.064
0.035 0.064
0.09 0.156
0.09 0.156
0.14 0.256 LSB/mA
0.14 0.256 LSB/mA
0.09 0.156
Ω
0.09 0.156
Ω
SYMBOL PARAMETER
CONDITIONS
VOUT
DAC Output Span
External Reference
Internal Reference
PSR
Power Supply Rejection
ISC
Short-Circuit Output Current (Note 6)
Sinking
Sourcing
Power Supply
VCC = 3V ±10% or 5V ±10%
VFS = VCC = 5.5V
Zero-Scale; VOUT Shorted to VCC
Full-Scale; VOUT Shorted to GND
VCC
Positive Supply Voltage
For Specified Performance
ICC
Supply Current (Note 7)
VCC = 3V, VREF = 2.5V, External Reference
VCC = 3V, Internal Reference
VCC = 5V VREF = 2.5V, External Reference
VCC = 5V, Internal Reference
ISD
Supply Current in Power-Down Mode (Note 7) VCC = 5V, C-Grade, I-Grade
VCC = 5V, H-Grade
MIN
TYP
MAX
0 to VREF
0 to 2.5
–80
l
27
48
l
–27
–48
l 2.7
5.5
l
0.5
0.7
l
0.6
0.8
l
0.6
0.8
l
0.7
0.9
l
0.5
10
l
0.5
15
UNITS
V
V
dB
mA
mA
V
mA
mA
mA
mA
μA
μA
2634f
5
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