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參數(shù)資料
| 型號： | TLV5639I |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG CONVERTERS WITH INTERNAL REFERENCE AND POWER DOWN |
| 中文描述： | 2.7 V至5.5 V低功耗12位數(shù)字到模擬，具有內(nèi)部參考和斷電變換器 |
| 文件頁數(shù)： | 5/17頁 |
| 文件大?。?/td> | 242K |
| 代理商： | TLV5639I |
TLV5639C, TLV5639I
2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG
CONVERTERS WITH INTERNAL REFERENCE AND POWER DOWN
SLAS189 – MARCH 1999
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
ref
= 2.048 V,
V
ref
= 1.024 V (unless otherwise noted) (Continued)
reference pin configured as output (REF)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vref(OUTL)
Vref(OUTH)
Iref(source)
Iref(sink)
PSRR
Low reference voltage
1.003
1.024
1.045
V
High reference voltage
VDD > 4.75 V
2.027
2.048
2.069
V
Output source current
1
mA
Output sink current
–1
mA
Power supply rejection ratio
–48
dB
reference pin configured as input (REF)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI
RI
CI
Input voltage
0
VDD–1.5
V
Input resistance
10
M
pF
Input capacitance
5
Reference input bandwidth
REF = 0 2 V
REF = 0.2 Vpp + 1.024 V dc
+ 1 024 V dc
Fast
900
kHz
Slow
500
10 kHz
Fast
–87
dB
Harmonic distortion, reference
input
in ut
i di t ti
Slow
–77
REF = 1 Vpp + 2.048 V dc, VDD = 5 V
50 kHz
Fast
–74
dB
Slow
–61
100 kHz
Fast
–66
dB
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.
digital inputs
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
μ
A
μ
A
pF
IIH
IIL
Ci
High-level digital input current
VI = VDD
VI = 0 V
1
Low-level digital input current
–1
Input capacitance
8
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