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參數(shù)資料
| 型號： | TLV5623CD |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 9 us SETTLING TIME, 8-BIT DAC, PDSO8 |
| 封裝： | GREEN, PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 17/23頁 |
| 文件大?。?/td> | 578K |
| 代理商： | TLV5623CD |
TLV5623C, TLV5623I
2.7V TO 5.5V LOW POWER 8BIT DIGITALTOANALOG
CONVERTERS WITH POWER DOWN
SLAS231B JUNE 1999 REVISED APRIL 2004
3
WWW.TI.COM
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: TLV5623C
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TLV5623I
40
°C to 85°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.
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
High-level digital input voltage, VIH
DVDD = 2.7 V
2
V
High-level digital input voltage, VIH
DVDD = 5.5 V
2.4
V
Low-level digital input voltage, VIL
DVDD = 2.7 V
0.6
V
Low-level digital input voltage, VIL
DVDD = 5.5 V
1
V
Reference voltage, Vref to REFIN terminal
VDD = 5 V (see Note 1)
AGND
2.048
VDD 1.5
V
Reference voltage, Vref to REFIN terminal
VDD = 3 V (see Note 1)
AGND
1.024
VDD 1.5
V
Load resistance, RL
2
10
k
Load capacitance, CL
100
pF
Clock frequency, fCLK
20
MHz
Operating free-air temperature, TA
TLV5623C
0
70
°C
Operating free-air temperature, TA
TLV5623I
40
85
°C
NOTE 1: Due to the x2 output buffer, a reference input voltage
≥ VDD/2 causes clipping of the transfer function.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
power supply
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD = 5 V, VREF = 2.048 V,
No load,
Fast
0.9
1.35
mA
IDD
Power supply current
No load,
All inputs = AGND or VDD,
DAC latch = 0x800
Slow
0.4
0.6
mA
IDD
Power supply current
VDD = 3 V, VREF = 1.024 V
No load,
Fast
0.7
1.1
mA
No load,
All inputs = AGND or VDD,
DAC latch = 0x800
Slow
0.3
0.45
mA
Power down supply current (see Figure 12)
1
A
PSRR
Power supply rejection ratio
Zero scale
See Note 2
68
dB
PSRR
Power supply rejection ratio
Full scale
See Note 3
68
dB
Power on threshold voltage, POR
2
V
NOTES:
2. Power supply rejection ratio at zero scale is measured by varying VDD and is given by:
PSRR = 20 log [(EZS(VDDmax) EZS(VDDmin))/VDDmax]
3. Power supply rejection ratio at full scale is measured by varying VDD and is given by:
PSRR = 20 log [(EG(VDDmax) EG(VDDmin))/VDDmax]
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