LTC2611C(V2) Просмотр технического описания (PDF) - Linear Technology
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LTC2611C Datasheet PDF : 16 Pages
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LTC2601/LTC2611/LTC2621
ELECTRICAL CHARACTERISTICS The q denotes 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
LTC2601/LTC2611/LTC2621
MIN
TYP MAX
PSR
Power Supply Rejection
ROUT
DC Output Impedance
ISC
Short-Circuit Output Current
VCC = 5V ±10%
VCC = 3V ±10%
q
VREF = VCC = 5V, Midscale; –15mA ≤ IOUT ≤ 15mA q
VREF = VCC = 2.5V, Midscale; –7.5mA ≤ IOUT ≤ 7.5mA q
VCC = 5.5V, VREF = 5.5V
Code: Zero Scale; Forcing Output to VCC
Code: Full Scale; Forcing Output to GND
q 15
q 15
– 80
– 80
0.04 0.15
0.05 0.15
35
60
39
60
VCC = 2.5V, VREF = 2.5V
Code: Zero Scale; Forcing Output to VCC
Code: Full Scale; Forcing Output to GND
q 7.5
q 7.5
20
50
27
50
Reference Input
Input Voltage Range
Resistance
Normal Mode
q
0
q 88
VCC
124 160
Capacitance
15
IREF
Reference Current, Power Down Mode DAC Powered Down
Power Supply
q
0.001
1
VCC
Positive Supply Voltage
ICC
Supply Current
Digital I/O
For Specified Performance
VCC = 5V (Note 3)
VCC = 3V (Note 3)
DAC Powered Down (Note 3) VCC = 5V
DAC Powered Down (Note 3) VCC = 3V
q 2.5
q
q
q
q
5.5
0.375 0.55
0.30 0.45
0.40
1
0.10
1
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
VCC = 2.5V to 5.5V
VCC = 2.5V to 3.6V
VCC = 4.5V to 5.5V
VCC = 2.5V to 5.5V
Load Current = –100µA
Load Current = +100µA
VIN = GND to VCC
(Note 4)
q 2.4
q 2.0
q
0.8
q
0.6
q VCC – 0.4
q
0.4
q
±1
q
8
UNITS
dB
dB
Ω
Ω
mA
mA
mA
mA
V
kΩ
pF
µA
V
mA
mA
µA
µA
V
V
V
V
V
V
µA
pF
2601f
3
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