Datasheet

10
LTC1658
A 14-Bit Analog Input/Output Channel for a PC
D
OUT
1011
1
2
3
4
8
7
6
5
V
CC

V
OUT

REF
GND
CLK
D
IN

CS/LD
D
OUT
U2
LTC1658
ANALOG
OUTPUT
2
4
3
5
1
6
Q
CLR
Q
D
PR
CK
U3
1/2 74HC74
5V
5V
3 SELECT
TX
RTS
DTR
CTS
412
62
4
U4
LT1021-5
12
10
11
9
13
8
Q
CLR
Q
D
PR
CK
U3
1/2 74HC74
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC

V
SS

BUSY
CONVST
RD
SHDN
DGND
D
OUT
A
IN
+
A
IN
–
V
REF

V
REFCOMP
AGND
EXTCLKIN
SCLK
CLKOUT
U1
LTC1417
510Ω
510Ω
510Ω
510Ω
10µF
1µF
1µF
D1
DIFFERENTIAL
INPUT
D2
D6 D5
D3 D4
1µF
51k
9
D
IN
856
51k
SCLK1312
51k
C4
150µF
C3
0.1µF
5V
C5
47µF
1658 TA05 1658 TA05
5V
TYPICAL APPLICATIO S
U