ETC1 AK5340-VS C-mos 18-bit 2 channel a/d converter Datasheet

AK5340-VS (1/3)
IL08
C-MOS 18-BIT 2 CHANNEL A/D CONVERTER
—TOP VIEW—
1
AINL + IN 1
28 AINR + IN
2
28
AINL _ IN 2
27 AINR _ IN
27
3
V REF IN 3
26 V REF OUT
9
10
4 AVDD
NC 25
20
12
5 AGND
DVDD 24
13
NC 23
11
8
6 NC
21
7 NC
TST1 IN/OUT 8
SEL18 IN 9
22 TST4 IN
21 TST3 IN/OUT
20 CLK IN
PD IN 10
DGND 19
TST2 IN 11
DVDD 18
CMODE IN 12
17 FSYNC IN/OUT
SMODE IN 13
16 SDATA OUT
L/R IN/OUT 14
15 SCLK IN/OUT
AVDD, AGND : FOR ANALOG BLOCK
DVDD, DGND : FOR DIGITAL BLOCK
22
AINL +
AINL _
AINR +
AINR _
V REF IN
SEL18
V REF
SDATA
26
16
PD
CLK
SCLK
CMODE
FSYNC
SMODE
L/R
TST1
TST2
TST3
TST4
15
17
14
AK5340-VS (2/3)
INPUT
AINL +
AINL _
AINR +
AINR _
CLK
CMODE
PD
SEL 18
SMODE
;
;
;
;
;
L-CH ANALOG POSITIVE INPUT
L-CH ANALOG NEGATIVE INPUT
R-CH ANALOG POSITIVE INPUT
R-CH ANALOG NEGATIVE INPUT
MASTER CLOCK
(CMODE = H : 384 fs)
(CMODE = L : 256 fs)
; MASTER CLOCK SELECT
(L : CLK = 256 fs, 12.288 MHz @fs = 48 kHz)
(H : CLK = 384 fs, 18.432 MHz @fs = 48 kHz)
; POWER DOWN FOR DIGITAL SECTION
; 18/16 BIT SELECT (L : 16-BIT, H : 18-BIT)
; INTERFACE CLOCK SELECT
(L : SUB MODE)
(H : MASTER MODE)
TST 2, 4
V REF IN
; TEST
; REFERENCE VOLTAGE
OUTPUT
SDATA
V REF
; SERIAL DATA
; REFERENCE VOLTAGE (_2.5V)
INPUT/OUTPUT
; FRAME SYNC CLOCK
FSYNC
(SUB MODE : FSYNC INPUT)
(MASTER MODE : FSYNC OUTPUT)
; INPUT CHANNEL SELECT
L/R
(SUB MODE : fs CLK INPUT)
(MASTER MODE : fs CLK OUTPUT)
SCLK
; SERIAL DATA CLOCK
(SUB MODE : SCLK INPUT)
(MASTER MODE : SCLK OUTPUT)
TST 1, 3
; TEST
AK5340-VS (3/3)
ANALOG BLOCK
26
VOLTAGE
REFERENCE
3
DIGITAL BLOCK
DAC
AINL+
AINL_
1
2
+
_
_
+
LOW PASS
FILTER
+
_
DECIMATION
FILTER
VREF IN
VREF
DAC
AINR_
28
27
+
_
_
+
LOW PASS
FILTER
+
_
SEL 18
PD
CLK
TST 1
TST 2
TST 3
TST 4
CMODE
SMODE
9
10
CONTROLLER
20
8
11
21
22
12
13
14
SERIAL
OUTPUT
I/F
DECIMATION
FILTER
AINR+
15
CALIBRATION
S-RAM
17
16
SCLK
L/R
FSYNC
SDATA
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