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TLV5638 Datasheet(PDF) 5 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) 5 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
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions, Vref = 2.048 V, Vref = 1.024 V
(unless otherwise noted) (continued)
output specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO
Output voltage
RL = 10 kΩ
0
VDD–0.4
V
Output load regulation accuracy
VO = 4.096 V, 2.048 V,
RL = 2 kΩ
±0.25
% full
scale V
reference pin configured as output (REF)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vref(OUTL)
Low reference voltage
1.003
1.024
1.045
V
Vref(OUTH)
High reference voltage
VDD > 4.75 V
2.027
2.048
2.069
V
Iref(source)
Output source current
1
mA
Iref(sink)
Output sink current
–1
mA
Load capacitance
100
pF
PSRR
Power supply rejection ratio
–65
dB
reference pin configured as input (REF)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI
Input voltage
0
VDD–1.5
V
RI
Input resistance
10
M
CI
Input capacitance
5
pF
Reference input bandwidth
REF=0 2V
+1 024Vdc
Fast
1.3
MHz
Reference input bandwidth
REF = 0.2 Vpp + 1.024 V dc
Slow
525
kHz
Reference feedthrough
REF = 1 Vpp at 1 kHz + 1.024 V dc (see Note 10)
–80
dB
NOTE 10: Reference feedthrough is measured at the DAC output with an input code = 0x000.


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