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LTC3871 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC3871
Description  A 7-Bit Current DAC with PMBus Interface
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3871 Datasheet(HTML) 3 Page - Linear Technology

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LTC7106
3
Rev A
For more information www.analog.com
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at TA = 25°C (Note 2), VDD = 3.3V, unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VDD
Power Supply
2.5
 
5.5
V
IQ
Supply Quiescent Current
EN High
700
1400
μA
ISHUTDOWN
Supply Quiescent Current
EN = 0V
800
μA
VUVLO_R
Undervoltage Rising Threshold VDD Rising
2.35
V
VUVLO_F
Undervoltage Falling Threshold VDD Falling
2.15
V
VEN_R
Enable Rising Threshold
VEN Rising
1.35
V
VEN_F
Enable Falling Threshold
VEN Falling
0.8
V
IDAC_OUT
IDAC
Accuracy
Full Scale Positive
0.4 ≤ VIDAC ≤ 2V (Note 3)
Range = Normal
l
62.5
63
63.5
μA
Range = Low
l
15.5
15.75
16.0
μA
Range = High
l
246.7
252.00
255.3
μA
Full Scale Negative
0.4 ≤ VIDAC ≤ 2V (Note 3)
Range = Normal
(0°C to 85°C)
–64.64
–64
–63.36
μA
Range = Normal
l
–64.96
–64
–63.04
μA
Range = Low
l
–16.36
–16
–15.64
μA
Range = High
l
–262.50
–256
–249.50
μA
LSB
0.4 ≤ VIDAC ≤ 2V
Range = Normal
1
μA
Range = Low
0.25
μA
Range = High
4
μA
INL
0.4 ≤ VIDAC ≤ 2V
Range = Normal
–1
1
LSB
Range = Low
–1.5
1.5
LSB
Range = High
–1.6
1.6
LSB
DNL
0.4 ≤ VIDAC ≤ 2V
Range = Normal
–0.3
0.3
LSB
Range = Low
–0.5
0.5
LSB
Range = High
–0.8
0.8
LSB
IHZ
High-Z Current
0.4 ≤ VIDAC ≤ 2V
VEN = 0
l
20
nA
Digital Input: SDA, SCL
VIH
1.4
V
VIL
0.8
V
CPIN
Input Capacitance
10
pF
Open-Drain Outputs: ALERTB, GPO, SDA
VOL
Output Low Voltage
ISINK = 3mA
0.4
V



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