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LTC2656_15 Datasheet, PDF (8/26 Pages) Linear Technology – Octal 16-/12-Bit Rail-to-Rail DACs with 10ppm/C Max Reference
LTC2656
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.
LTC2656B-H16/LTC2656-H12 (internal reference = 2.048V)
SYMBOL PARAMETER
Power Supply
VCC
Positive Supply Voltage
ICC
Supply Current (Note 8)
ISHDN
Supply Current in Shutdown Mode
(Note 8)
Digital I/O
VIH
Digital Input High Voltage
VIL
Digital Input Low Voltage
VOH
Digital Output High Voltage
VOL
Digital Output Low Voltage
ILK
Digital Input Leakage
CIN
Digital Input Capacitance (Note 9)
AC Performance
tS
Settling Time (Note 10)
Settling Time for 1LSB Step
Voltage Output Slew Rate
Capacitive Load Driving
Glitch Impulse (Note 11)
DAC-to-DAC Crosstalk (Note 12)
Multiplying Bandwidth
en
Output Voltage Noise Density
Output Voltage Noise
CONDITIONS
For Specified Performance
VCC = 5V, Internal Reference On
VCC = 5V, Internal Reference Off
VCC = 5V
VCC = 4.5V to 5.5V
VCC = 4.5V to 5.5V
Load Current = –100µA
Load Current = 100µA
VIN = GND to VCC
±0.024% (±1LSB at 12 Bits)
±0.0015% (±1LSB at 16 Bits)
±0.024% (±1LSB at 12 Bits)
±0.0015% (±1LSB at 16 Bits)
At Mid-Scale Transition, VCC = 5V
Due to Full-Scale Output Change,
CREFCOMP = CREFOUT = No Load
At f = 1kHz
At f = 10kHz
0.1Hz to 10Hz, Internal Reference
0.1Hz to 200kHz, Internal Reference
MIN
TYP
l
4.5
l
3.3
l
3.0
l
l
2.4
l
l VCC – 0.4
l
l
l
4.6
7.9
2.0
3.8
1.8
1000
6
3
150
85
80
12
650
MAX UNITS
5.5
V
4.25
mA
3.7
mA
3
µA
V
0.8
V
V
0.4
V
±1
µA
8
pF
µs
µs
µs
µs
V/µs
pF
nV•s
nV•s
kHz
nV/√Hz
nV/√Hz
µVP-P
µVP-P
2656fa
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