
LTC1400
16
1400fa
LTC1400 Interface to ADSP2181’s SPORT0 (Frame Sync is Generated from RFS0)
AIN
VSS
VCC
VREF
CLK
CONV
DOUT
GND
SCLKO
RFSO
DR0
LTC1400
ADSP2181
UNIPOLAR
INPUT
+
10
F
0.1
F
+
10
F
5V
0.1
F
1
2
3
8
4
6
7
5
1400 TA05a
Logic Analyzer Waveforms Show 2.88μs Throughput Rate (Input Voltage = 2.240V, Output Code = 1000 1100 0000 = 224010)
Data from LTC1400 (Normal Mode)
D0
X
D1
D2
D4
D5
D3
RDY
X
D11 D10 D9
D8
D7
D6
1400 TA05c
Data Stored in ADSP2181’s Memory (Normal Mode, SLEN = D)
D2
D1
D0
D3
D4
D6
D7
D5
0
RDY D11 D10 D9 D8
1400 TA05d
TYPICAL APPLICATIO S
U