Datasheet
LTC2607/LTC2617/LTC2627
3
26071727fa
electrical characteristics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. REF = 4.096V (V
CC
= 5V), REF = 2.048V (V
CC
= 2.7V), REFLO = 0V,
V
OUT
unloaded, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS
LTC2627/LTC2627-1 LTC2617/LTC2617-1 LTC2607/LTC2607-1
UNITSMIN TYP MAX MIN TYP MAX MIN TYP MAX
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
±1.5 ±4 ±5 ±16 ±19 ±64 LSB
Load Regulation V
REF
= V
CC
= 5V, Mid-Scale
I
OUT
= 0mA to 15mA Sourcing
I
OUT
= 0mA to 15mA Sinking
l
l
0.02
0.03
0.125
0.125
0.1
0.1
0.5
0.5
0.35
0.42
2
2
LSB/mA
LSB/mA
V
REF
= V
CC
= 2.7V, Mid-Scale
I
OUT
= 0mA to 7.5mA Sourcing
I
OUT
= 0mA to 7.5mA Sinking
l
l
0.04
0.05
0.25
0.25
0.2
0.2
1
1
0.7
0.8
4
4
LSB/mA
LSB/mA
ZSE Zero-Scale Error Code = 0
l
1 9 1 9 1 9 mV
V
OS
Offset Error (Note 6)
l
±1 ±9 ±1 ±9 ±1 ±9 mV
V
OS
Temperature
Coefficient
±7 ±7 ±7 µV/°C
GE Gain Error
l
±0.15 ±0.7 ±0.15 ±0.7 ±0.15 ±0.7 %FSR
Gain Temperature
Coefficient
±4 ±4 ±4 ppm/°C
The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
REF = 4.096V (V
CC
= 5V), REF = 2.048V (V
CC
= 2.7V), REFLO = 0V, V
OUT
unloaded, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
PSR Power Supply Rejection V
CC
±10% –80 dB
R
OUT
DC Output Impedance V
REF
= V
CC
= 5V, Mid-Scale;
–15mA ≤ I
OUT
≤ 15mA
V
REF
= V
CC
= 2.7V, Mid-Scale;
–7.5mA ≤ I
OUT
≤ 7.5mA
l
l
0.032
0.035
0.15
0.15
Ω
Ω
DC Crosstalk (Note 4) Due to Full Scale Output Change (Note 5)
Due to Load Current Change
Due to Powering Down (Per Channel)
±4
±3
±30
µV
µV/mA
µV
I
SC
Short-Circuit Output Current V
CC
= 5.5V, V
REF
= 5.5V
Code: Zero Scale; Forcing Output to V
CC
Code: Full Scale; Forcing Output to GND
l
l
15
15
36
37
60
60
mA
mA
V
CC
= 2.7V, V
REF
= 2.7V
Code: Zero Scale; Forcing Output to V
CC
Code: Full Scale; Forcing Output to GND
l
l
7.5
7.5
22
30
50
50
mA
mA
Reference Input
Input Voltage Range
l
0 V
CC
V
Resistance Normal Mode
l
44 64 80 kΩ
Capacitance 30 pF
I
REF
Reference Current, Power Down Mode DAC Powered Down
l
0.001 1 µA