參數(shù)資料
型號(hào)： TLV5638QDREP
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, PDSO8
封裝： GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁數(shù)： 17/21頁
文件大?。?/td> 523K
代理商： TLV5638QDREP
TLV5638EP
2.7V TO 5.5V LOW POWER DUAL 12BIT DIGITALTOANALOG
CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
SGLS130B JULY 2002 REVISED DECEMBER 2003
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 k
0
VDD0.4
V
Output load regulation accuracy
VO = 4.096 V, 2.048 V,
RL = 2 k
±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
VDD1.5
V
RI
Input resistance
10
M
CI
Input capacitance
5
pF
Reference input bandwidth
REF = 0.2 Vpp + 1.024 V dc
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 11: Reference feedthrough is measured at the DAC output with an input code = 0x000.
digital inputs
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IIH
High-level digital input current
VI = VDD
1
A
IIL
Low-level digital input current
VI = 0 V
1
A
Ci
Input capacitance
8
pF
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