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TLV5638 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. TLV5638
Description  2.7 V TO 5.5 V LOW POWER DUAL 12-BIT DIGITAL-TO-ANALOG CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TLV5638 Datasheet(HTML) 3 Page - Texas Instruments

 
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TLV5638
2.7 V TO 5.5 V LOW POWER DUAL 12-BIT DIGITAL-TO-ANALOG
CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
SLAS225A – JUNE 1999 – REVISED JANUARY 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage (VDD to AGND)
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference input voltage range
–0.3 V to VDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital input voltage range
–0.3 V to VDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: TLV5638C
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TLV5638I
–40
°C to 85°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TLV5638Q
–40
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TLV5638M
–55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
DISSIPATION RATING TABLE
PACKAGE
TA ≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
TA = 125°C
PACKAGE
A
POWER RATING
ABOVE TA = 25°C‡
A
POWER RATING
A
POWER RATING
A
POWER RATING
D
635 mW
5.08 mW/
°C
407 mW
330 mW
127 mW
FK
1375 mW
11.00 mW/
°C
880 mW
715 mW
275 mW
JG
1050 mW
8.40 mW/
°C
672 mW
546 mW
210 mW
‡ This is the inverse of the traditional Junction-to-Ambient thermal Resistance (R
ΘJA). Thermal Resistances are not production tested and are for
informational purposes only.
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage VDD
VDD = 5 V
4.5
5
5.5
V
Supply voltage, VDD
VDD = 3 V
2.7
3
3.3
V
Power on reset, POR
*0.55
*2
V
High-level digital input voltage, VIH
VDD = 2.7 V to 5.5 V
2
V
Low-level digital input voltage, VIL
VDD = 2.7 V to 5.5 V
0.8
V
Reference voltage, Vref to REF terminal
VDD = 5 V (see Note 1)
AGND
2.048
VDD –1.5
V
Reference voltage, Vref to REF terminal
VDD = 3 V (see Note 1)
AGND
1.024
VDD – 1.5
V
Load resistance, RL
2
k
Load capacitance, CL
100
pF
Clock frequency, fCLK
20
MHz
TLV5638C
0
70
Operating free air temperature TA
TLV5638I
–40
85
°C
Operating free-air temperature, TA
TLV5638Q
–40
125
°C
TLV5638M
–55
125
*This parameter is not tested for Q and M suffix devices.
NOTE 1: Due to the x2 output buffer, a reference input voltage
≥ (VDD–0.4 V)/2 causes clipping of the transfer function. The output buffer of the
internal reference must be disabled, if an external reference is used.


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