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LTC2636 bảng dữ liệu(PDF) 6 Page - Analog Devices

tên linh kiện LTC2636
Giải thích chi tiết về linh kiện  Octal 12-/10-/8-Bit SPI VOUT DACs
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LTC2636 bảng dữ liệu(HTML) 6 Page - Analog Devices

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LTC2636
6
Rev D
For more information www.analog.com
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Input
VREF
Input Voltage Range
l
1
VCC
V
Resistance
l
120
160
200
kΩ
Capacitance
12
pF
IREF
Reference Current, Power-Down Mode
DAC Powered Down
l
0.005
1.5
µA
Reference Output
Output Voltage
l
1.24
1.25
1.26
V
Reference Temperature Coefficient
±10
ppm/°C
Output Impedance
0.5
kΩ
Capacitive Load Driving
10
µF
Short Circuit Current
VCC = 5.5V; REF Shorted to GND
2.5
mA
Digital I/O
VIH
Digital Input High Voltage
VCC = 3.6V to 5.5V
VCC = 2.7V to 3.6V
l
l
2.4
2.0
V
V
VIL
Digital Input Low Voltage
VCC = 4.5V to 5.5V
VCC = 2.7V to 4.5V
l
l
0.8
0.6
V
V
ILK
Digital Input Leakage
VIN = GND to VCC
l
±1
µA
CIN
Digital Input Capacitance
(Note 8)
l
2.5
pF
AC Performance
tS
Settling Time
VCC = 3V (Note 9)
±0.39% (±1LSB at 8 Bits)
±0.098% (±1LSB at 10 Bits)
±0.024% (±1LSB at 12 Bits)
3.4
4.0
4.4
µs
µs
µs
Voltage Output Slew Rate
1.0
V/µs
Capacitive Load Driving
500
pF
Glitch Impulse
At Mid-Scale Transition
2.1
nV•s
DAC-to-DAC Crosstalk
1 DAC held at FS, 1 DAC Switch 0-FS
2.1
nV•s
Multiplying Bandwidth
External Reference
320
kHz
en
Output Voltage Noise Density
At f = 1kHz, External Reference
At f = 10kHz, External Reference
At f = 1kHz, Internal Reference
At f = 10kHz, Internal Reference
180
160
200
180
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
Output Voltage Noise
0.1Hz to 10Hz, External Reference
0.1Hz to 10Hz, Internal Reference
0.1Hz to 200kHz, External Reference
0.1Hz to 200kHz, Internal Reference
CREF = 0.1μF
35
40
680
730
µVP-P
µVP-P
µVP-P
µVP-P
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.
LTC2636-LMI12/-LMI10/-LMI8/-LMX12/-LMX10/-LMX8/-LZ12/-LZ10/-LZ8 (VFS = 2.5V)



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