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LTC2621 Datasheet(PDF) 3 Page - Linear Technology

Part No. LTC2621
Description  16-/14-/12-Bit Rail-to-Rail DACs in 10-Lead DFN
Download  16 Pages
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LTC2621 Datasheet(HTML) 3 Page - Linear Technology

 
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LTC2601/LTC2611/LTC2621
3
2601fb
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.5V), VOUT unloaded,
unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
LTC2621/ LTC2621-1
LTC2611/ LTC2611-1
LTC2601/ LTC2601-1
UNITS
MIN
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
±0.8
±4
±3
±16
±13
±64
LSB
Load Regulation
VREF = VCC = 5V, Midscale
IOUT = 0mA to 15mA Sourcing
IOUT = 0mA to 15mA Sinking
l
l
0.03
0.04
0.125
0.125
0.10
0.15
0.5
0.5
0.45
0.60
2
2
LSB/mA
LSB/mA
VREF = VCC = 2.5V, Midscale
IOUT = 0mA to 7.5mA Sourcing
IOUT = 0mA to 7.5mA Sinking
l
l
0.06
0.08
0.25
0.25
0.2
0.3
1
1
0.9
1.2
4
4
LSB/mA
LSB/mA
ZSE
Zero-Scale Error
Code = 0
l
19
19
19
mV
VOS
Offset Error
(Note 5)
l
±1.5
±9
±1.5
±9
±1.5
±9
mV
VOS Temperature
Coefficient
±5
±5
±5
μV/°C
GE
Gain Error
l
±0.03
±0.7
±0.1
±0.7
±0.05
±0.7
%FSR
Gain Temperature
Coefficient
±2
±2
±2
ppm/°C
The
l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.5V), VOUT unloaded, unless otherwise noted. (Note 8)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
PSR
Power Supply Rejection
VCC = 5V ±10%
VCC = 3V ±10%
l
–80
–80
dB
dB
ROUT
DC Output Impedance
VREF = VCC = 5V, Midscale; –15mA ≤ IOUT ≤ 15mA
VREF = VCC = 2.5V, Midscale; –7.5mA ≤ IOUT ≤ 7.5mA
l
l
0.04
0.05
0.15
0.15
Ω
Ω
ISC
Short-Circuit Output Current
VCC = 5.5V, VREF = 5.5V
Code: Zero Scale; Forcing Output to VCC
Code: Full Scale; Forcing Output to GND
l
l
15
15
35
39
60
60
mA
mA
VCC = 2.5V, VREF = 2.5V
Code: Zero Scale; Forcing Output to VCC
Code: Full Scale; Forcing Output to GND
l
l
7.5
7.5
20
27
50
50
mA
mA
Reference Input
Input Voltage Range
l
0
VCC
V
Resistance
Normal Mode
l
88
124
160
Capacitance
15
pF
IREF
Reference Current, Power Down Mode DAC Powered Down
l
0.001
1
μA
Power Supply
VCC
Positive Supply Voltage
For Specified Performance
l
2.5
5.5
V
ICC
Supply Current
VCC = 5V (Note 3)
VCC = 3V (Note 3)
DAC Powered Down (Note 3) VCC = 5V
DAC Powered Down (Note 3) VCC = 3V
l
l
l
l
0.375
0.30
0.40
0.10
0.55
0.45
1
1
mA
mA
μA
μA
Digital I/O
VIH
Digital Input High Voltage
VCC = 2.5V to 5.5V
VCC = 2.5V to 3.6V
l
l
2.4
2.0
V
V


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