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DAC161P997 Datasheet(PDF) 5 Page - Texas Instruments

No. de pieza DAC161P997
Descripción Electrónicos  DAC161P997 Single-Wire 16-bit DAC for 4- to 20-mA Loops
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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DAC161P997 Datasheet(HTML) 5 Page - Texas Instruments

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DAC161P997
www.ti.com
SNAS515G – JULY 2011 – REVISED DECEMBER 2014
6.2 ESD Ratings
VALUE
UNIT
Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)
±5500
V(ESD)
Electrostatic discharge
V
Charged-device model (CDM), per JEDEC specification JESD22-
±1250
C101(2)
(1)
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2)
JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
6.3 Recommended Operating Conditions
MIN
MAX
UNIT
Supply Voltage Range
2.7
3.6
V
(VA - VD)
0
0
V
(COMA - COMD)
0
0
V
BASE load to COMA
0
15
pF
OUT load to COMA
-
-
Operating Temperature (TA)
-40
105
°C
6.4 Thermal Information
THERMAL METRIC(1)
WQFN (16-PINS)
UNIT
RθJA
Junction-to-ambient thermal resistance
35
°C/W
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
6.5 Electrical Characteristics
Unless otherwise noted, these specifications apply for VA = VD = 2.7 V to 3.6 V, TA = 25°C, external bipolar transistor:
2N3904, RE = 22Ω, C1 = C2 = C3 = 2.2 nF.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
POWER SUPPLY
VA, VD
Supply Voltage
VA = VD
2.7
3.6
V
VA Supply Current
75
µA
DACCODE=0x0200(1)
VD Supply Current
115
µA
-40 to 105°C
Total Supply Current
190
µA
Power On Reset supply rail
VPOR
1.3
1.9
V
potential threshold
DC ACCURACY
N
Resolution
16
Bits
0x2AAA < DACCODE < 0xD555
INL
Integral Non-Linearity(2)
(4mA < ILOOP < 20 mA)
–2.1
3.3
-40 to 105°C
µA
See(3)
DNL
Differential Non-Linearity
–0.2
0.2
-40 to 105°C
TUE
Total Unadjusted Error
0x2AAA < DACCODE < 0xD555
–0.23%
0.23%
FS
See(4)
OE
Offset Error
−9.16
9.16
µA
-40 to 105°C
Offset Error Temp. Coefficient
138
nA/°C
(1)
At code 0x0200 the BASE current is minimal, i.e., device current contribution to power consumption is minimized. The SWIF link is
inactive, i.e., after transmitting code 0x200 to the DAC161P997, there are no more transitions in the channel during the supply current
measurement.
(2)
INL is measured using “best fit” method in the output current range of 4 mA to 20 mA.
(3)
Specified by design.
(4)
Here offset is the y-intercept of the straight line defined by 4-mA and 20-mA points of the measured transfer characteristic.
Copyright © 2011–2014, Texas Instruments Incorporated
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