LTC2656 Linear Technology Corporation, LTC2656 Datasheet - Page 7

• Manufacturer Part Number: LTC2656
• Description: Octal 16-/12-Bit Rail-to-Rail DACs
• Manufacturer: Linear Technology Corporation

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ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
LTC2656B-H16/LTC2656-H12 (internal reference = 2.048V)
SYMBOL PARAMETER
DC Performance
DNL
INL
ZSE
V
GE
SYMBOL PARAMETER
V
PSR
R
I
Reference
SC
OS
OUT
OUT
Resolution
Monotonicity
Differential Nonlinearity
Integral Nonlinearity (Note 3)
Load Regulation
Zero-Scale Error
Offset Error
V
Gain Error
Gain Temperature Coeffi cient
DAC Output Span
Power Supply Rejection
DC Output Impedance
DC Crosstalk (Note 5)
Short-Circuit Output Current (Note 6)
Reference Output Voltage
Reference Temperature Coeffi cient
Reference Line Regulation
Reference Short-Circuit Current
REFCOMP Pin Short-Circuit Current
Reference Load Regulation
Reference Output Voltage Noise Density C
Reference Input Range
Reference Input Current
Reference Input Capacitance (Note 9)
OS
Temperature Coeffi cient
CONDITIONS
(Note 3)
(Note 3)
V
V
–15mA ≤ I
V
CC
CC
REF
= 5.5V, V
= 5V ±10%, Internal Reference, Mid-Scale,
= 2.048V (Note 4)
CONDITIONS
Internal Reference
External Reference = V
V
V
–15mA ≤ I
Due to Full-Scale Output Change
Due to Load Current Change
Due to Powering Down (per Channel)
V
Code: Zero Scale, Forcing Output to V
Code: Full Scale, Forcing Output to GND
C-Grade (Note 7)
I-Grade (Note 7)
V
V
V
V
External Reference Mode
CC
CC
CC
CC
CC
CC
CC
REFCOMP
OUT
±10%
= 5V ±10%, Internal Reference, Midscale,
= 5.5V, V
±10%
= 5.5V, Forcing Output to GND
= 5.5V, Forcing Output to GND
= 5V ±10%, I
REF
≤ 15mA
A
= 2.5V
= 25°C. V
= C
OUT
EXTREF
REFIN/OUT
≤ 15mA
The
OUT
l
= 2.75V
CC
= 100μA Sourcing
denotes the specifi cations which apply over the full operating
EXTREF
= 0.1μF at f = 1kHz
= 4.5V to 5.5V, V
CC
OUT
l
l
l
l
l
l
l
l
unloaded unless otherwise specifi ed.
MIN
12
12
l
l
l
l
l
l
l
l
LTC2656-12
±0.02 ±0.1
2.044
±0.1
±0.5
0.04 0.125
MIN
TYP
0.5
±1
20
20
1
2
1
MAX
±0.5
±1
±2
0 to 2 • V
3
0 to 4.096
2.048
0.001
0.04
±1.5
TYP
–80
–80
MIN
±2
±1
±2
±2
60
40
35
40
3
16
16
EXTREF
LTC2656B-16
±0.02 ±0.1
LTC2656
±0.3
TYP
0.6
±2
±1
1
2
1
2.052
V
MAX
0.15
±10
200
CC
60
60
MAX
5
1
±1
±4
±2
/2
2
3
LSB/mA
ppm/°C
ppm/°C
ppm/°C
mV/mA
nV/√Hz
μV/mA
UNITS
UNITS
%FSR
μV/°C
7
2656p
LSB
LSB
Bits
Bits
mA
mA
mA
mV
mV
dB
μV
μV
dB
μA
μA
pF
Ω
V
V
V
V