參數(shù)資料
型號(hào)： TLV5638D
廠商： Texas Instruments, Inc.
英文描述： 2.7 V TO 5.5 V LOW POWER DUAL 12-BIT DIGITAL-TO-ANALOG CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
中文描述： 2.7 V至5.5 V低功耗雙通道12位數(shù)字至模擬轉(zhuǎn)換器，具有內(nèi)部參考和斷電
文件頁(yè)數(shù)： 3/19頁(yè)
文件大小： 289K
代理商： TLV5638D
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 (V
DD
to AGND)
Reference input voltage range
Digital input voltage range
Operating free-air temperature range, T
A
: TLV5638C
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TLV5638I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TLV5638Q
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TLV5638M
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
–0.3 V to V
DD
+ 0.3 V
–0.3 V to V
DD
+ 0.3 V
0
°
C to 70
°
C
–40
°
C to 85
°
C
–40
°
C to 125
°
C
–55
°
C to 125
°
C
–65
°
C to 150
°
C
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
POWER RATING
DERATING FACTOR
ABOVE TA = 25
°
C
5.08 mW/
°
C
11.00 mW/
°
C
8.40 mW/
°
C
TA = 70
°
C
POWER RATING
TA = 85
°
C
POWER RATING
TA = 125
°
C
POWER RATING
D
635 mW
407 mW
330 mW
127 mW
FK
1375 mW
880 mW
715 mW
275 mW
JG
1050 mW
672 mW
546 mW
210 mW
This is the inverse of the traditional Junction-to-Ambient thermal Resistance (R
Θ
JA). Thermal Resistances are not production tested and are for
informational purposes only.
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage VDD
Supply voltage, VDD
VDD = 5 V
VDD = 3 V
4.5
5
5.5
V
2.7
3
3.3
V
Power on reset, POR
*0.55
*2
V
High-level digital input voltage, VIH
Low-level digital input voltage, VIL
Reference voltage, Vref to REF terminal
Reference voltage, Vref to REF terminal
Load resistance, RL
Load capacitance, CL
Clock frequency, fCLK
VDD = 2.7 V to 5.5 V
VDD = 2.7 V to 5.5 V
VDD = 5 V (see Note 1)
VDD = 3 V (see Note 1)
2
V
0.8
V
AGND
2.048
VDD–1.5
VDD–1.5
V
AGND
1.024
V
k
pF
2
100
20
MHz
TLV5638C
0
70
Operating free air temperature TA
Operating free-air temperature, TA
TLV5638I
–40
85
C
°
TLV5638Q
–40
125
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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