參數(shù)資料
型號(hào)： TLC7628CDWR
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： PARALLEL, 8 BITS INPUT LOADING, 0.1 us SETTLING TIME, 8-BIT DAC, PDSO20
封裝： GREEN, PLASTIC, SOIC-20
文件頁(yè)數(shù)： 7/13頁(yè)
文件大小： 255K
代理商： TLC7628CDWR
TLC7628C
DUAL 8BIT MULTIPLYING
SLAS063B APRIL 1989 REVISED MARCH 2007
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VDD
10.8
15.75
V
Reference voltage, VrefA or VrefB
±10
V
High-level input voltage, VIH
2.4
V
Low-level input voltage, VIL
0.8
V
CS setup time, tsu(CS)
50
ns
CS hold time, th(CS) (see Figure 1)
0
ns
DAC select setup time, tsu(DAC) (see Figure 1)
60
ns
DAC select hold time, th(DAC) (see Figure 1)
10
ns
Data bus input setup time tsu(D) (see Figure 1)
25
ns
Data bus input hold time th(D) (see Figure 1)
10
ns
Pulse duration, WR low, tw(WR) (see Figure 1)
50
ns
Operating free-air temperature, TA
TLC7628C
0
+70
°C
electrical characteristics over recommended ranges of operating free-air temperature and VDD,
VrefA = VrefB = 10 V, VOA and VOB at 0 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
IIH
High-level input current
VI = VDD
Full range
10
A
IIH
High-level input current
VI = VDD
25
°C
1
A
IIL
Low-level input current
VI = 0
Full range
10
A
IIL
Low-level input current
VI = 0
25
°C
1
A
Reference input impedance REFA or REFB to
AGND
5
20
k
OUTA
DAC data latch loaded with 00000000,
Full range
±200
Ikg
Output leakage current
OUTA
DAC data latch loaded with 00000000,
VrefA = ± 10 V
25
°C
±50
nA
Ikg
Output leakage current
OUTB
DAC data latch loaded with 00000000,
Full range
±200
nA
OUTB
DAC data latch loaded with 00000000,
VrefB = ± 10 V
25
°C
±50
Input resistance match (REFA to REFB)
±1%
DC supply sensitivity
gain/VDD
VDD = ± 5 %
Full range
0.02
%/%
DC supply sensitivity
gain/VDD
VDD = ± 5 %
25
°C
0.01
%/%
Quiescent
All digital inputs at VIHmin or VILmax
2
IDD
Supply current
Standby
All digital inputs at 0 V or VDD
Full range
0.5
mA
IDD
Supply current
Standby
All digital inputs at 0 V or VDD
25
°C
0.1
mA
DB0DB7
10
Ci
Input capacitance
WR, CS,
DACA/DACB
15
pF
Co
Output capacitance (OUTA, OUTB)
DAC data latches loaded with 00000000
25
pF
Co
Output capacitance (OUTA, OUTB)
DAC data latches loaded with 11111111
60
pF
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