Texas Instruments DAC9881EVM-PDK - DAC9881 Performance Demonstration Kit DAC9881EVM-PDK DAC9881EVM-PDK 데이터 시트
제품 코드
DAC9881EVM-PDK
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2
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5
6
A
B
C
D
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5
4
3
2
1
D
C
B
A
ti
12500 TI Boulevard. Dallas, Texas 75243
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DATE:
REV:
9-Mar-2009
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Revision History
REV
ECN Number
Approved
DAC9881 Rev A.Sch
DOCUMENTCONTROL #
C1
0.1µF
+5VA
R6
6.04K
VSS
2
3
6
4
7
1
5
U2
OPA827I
V+
C10
1µF
C9
1µF
R12
6.04K
6.04K
C12
1000pF
W5
R8
0
G
N
D
4
TRIM
5
NC
1
NC
7
NC
8
TEMP
3
OUT
6
V+
2
U3
REF5050ID
C11
10µF
10µF
C3
0.1µF
VCC
1
3
TP1
TP2
EXTERNAL REFERENCE HIGH
EXTERNAL REFERENCE LOW
1
2
3
R9
10K
10K
W4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J4
OUTPUT HEADER
FS
C5
10µF
10µF
DAC9881 EVM
A
J. PARGUIAN
+REFin
1
CLKR
FSR
R3
0
R4
0
-REFin
VOUT
R14
3.01K
3.01K
TP3
VOUT
U2_+IN
U2_-IN
U2_OUT
1
2
3
4
5
6
7
8
9
10
11 12
13 14
15 16
17 18
19 20
13 14
15 16
17 18
19 20
J2
Serial Header
TP4
VCC = +15V Analog
AVDD = +2.7V to +5.5V Analog
AVDD = +2.7V to +5.5V Analog
VSS = 0V to -15V Analog
VCC
1
2
3
4
5
6
7
8
9
10
J6
VSS
+5VA
-5VA
VDD
+3.3VD+1.8VD
+3.3VA
PDN
GPIO1
SCL
SDA
GPIO2
GPIO3
GPIO4
GPIO4
RST
R5 DNP
R7 DNP
R25 DNP
R2
0
SCLK
SDO
W1
+3.3VA
AVDD
W6
R13
100
W12
W3
R1
0
CS
VOUT1
VOUT2
TP5
IOVDD
RFB
RFB1
RFB2
W2
W7
W8
J. PARGUIAN
6498233
1
AVDD
5
VREFH
11
RFB
9
VOUT
8
CS
19
SCLK
1
SDI
2
DGND
22
IOVDD
24
AGND
4
GAIN
15
VREFHS
7
VREFL
10
VREFLS
6
NC
12
NC
13
RSTSEL
14
USB/BTC
16
RST
17
PDN
18
SDOSEL
20
AVDD
21
SDO
23
LDAC
3
U1
DAC9881
1
2
3
4
5
6
7
8
9
10
11 12
13 14
15 16
17 18
19 20
13 14
15 16
17 18
19 20
P2
Serial Header Bottom
C15
0.1µF
IOVDD
C16
10µF
R19
10K
10K
R18
10K
10K
2
3
1
8
4
U4A
OPA2211I
5
6
7
U4B
OPA2211I
V+
V-
R17
10K
10K
R16
10K
10K
R15
10K
10K
R11
10K
10K
R10
10K
10K
W10
R20
0
TP6
SDO
SDO
TP7
SDI
SDI
C8
1000pF
C6
2200pF
2200pF
C13
2200pF
C14
1000pF
1000pF
C2
0.1µF
R23
49.9
R26
49.9
R21
2K
R24
2K
2K
R22
95.3K
95.3K
W9
VREFH
1
2
3
4
5
6
J3
CS
SCLK
CLKR
FS
FSR
SDI
DR
SCLK
CLKR
FS
FSR
SDI
DR
DR
LDAC1
LDAC2
LDAC2
LDAC1
LDAC2
LDAC2
RST
GPIO1
SCL
SDA
GPIO2
GPIO3
GPIO4
GPIO4
TP8
dcs
dsclk
dsdi
dsclk
dsdi
dsdo
dsdosel
again
avrefhs
avrefls
VREFL
dusb/btc
dldac
1
2
3
4
5
6
7
8
9
1
1
1
3
1
0
1
2
1
4
J1
drstsel
C17
0.1µF
C4
0.1µF
0.1µF
W11
+5VA
R27
DNP
C18
1µF
1µF
C19
1µF
1µF
0.1%
0.1%
0.1%
OPA211I
R33
10K
R32
10K
R29
10K
R31
10K
C21
2.2µF
2.2µF
C22
2.2µF
2.2µF
C20
DNP
DNP
R28
DNP
V-
V+
R34
1K
R30
470K
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
A
Release to production
JLP
IOVDD = +1.7V to AVDD
OPA2277U
OPA2277U