Sony HDVF-C30W Maintenance Manual page 46

IC
[|IC|]
AD7829BRU-REEL7 (AD)
2 MSPS 8 CHANNEL 8-BIT A/D CONVERTER
—TOP VIEW—
PIN
NO.
1 28
1
2
2 27
3
3 26 4
5
4 25 6
7
5 24 8
9
6 23 10
11
12
7 22
13
14
8 21
9 20
INPUTS
A0 - A2
10 19
CONVST
CS
11 18
RD
V
IN1
12 17
OUTPUTS
13 16
DB0 - DB7
EOC
14 15
INPUT/OUTPUT
V
REF IN/OUT
OTHERS
AGND
DGND
CONVST EOC
A0
4 8 11
CONTROL LOGIC
19
V IN1
18
V IN2
17
V
IN3
16
INPUT
V
IN4
T/H
15
MUX
V
IN5
14
V
IN6
13
V IN7
12
V IN8
20
V MID
3-2
PIN
I/O SIGNAL I/O SIGNAL
NO.
O DB2 15
I V
IN5
O 16
DB1 V
I IN4
O 17
DB0 I V
IN3
CONVST
I 18 V
I
IN2
CS
I 19
I V
IN1
RD
I 20
I V
MID
— 21
DGND I/O V
REF IN/OUT
EOC
O 22
— V
CC
I A2 23 AGND
—
I 24
A1 O DB7
I A0 25
O DB6
I 26
V O DB5
IN8
I V 27
IN7 O DB4
I 28
V DB3
IN6 O
: ADDRESS
: CONVERT START
: CHIP SELECT
: READ
- V V : ANALOG
IN8, MID
: DATA
: END OF CONVERSION
: EXTERNAL REFERENCE
: ANALOG GROUND
: DIGITAL GROUND
A1 A2
10 9
22
V
CC
COMP
2.5 V
REF
21
BUFF V
REF IN/OUT
8-BIT
HALF
3-1,
FLASH
28-24
PARALLEL
ADC
DB0 - DB7
PORT
5 6
CS RD
AD9203ARU-RL7 (AD)
AD9203ARURL7
10-BIT 40 MSPS A/D CONVERTER
—TOP VIEW—
INPUTS
3-STATE : HI: HIGH IMPEDANCE STATE, LO: ACTIVE DIGITAL DRIVE
1 28
AINN : INVERTING ANALOG
AINP : NONINVERTING ANALOG
2 27
CLAMP : CLAMP (HI:ENABLE, LO:OPEN)
CLAMPIN : CLAMP SIGNAL
3 26
CLK : CLOCK
DFS : DATA FORMAT SELECT
4 25
(HI:TWOS COMPLEMENT, LO:STRAIGHT BINARY)
PWRCON : POWER CONTROL
5 24
REFBF : BOTTOM REFERENCE DECOUPLING
REFSENSE : REFERENCE SELECT
6 23
REFTF : TOP REFERENCE DECOUPLING
STBY : HI: POWER-DOWN MODE, LO:NORMAL OPERATION
7 22
OUTPUTS
8 21
D0 - D9 : BIT (0:LSB, 9:MSB)
OTR : OUT-OF-RANGE INDICATOR
9 20
INPUT/OUTPUT
10 19
V : REFERENCE
REF
11 18
OTHERS
AGND : ANALOG GROUND
12 17
AV : ANALOG SUPPLY
CC
DGND : DIGITAL GROUND
13 16
DV : DIGITAL SUPPLY
CC
14 15
PIN PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO. NO.
1 — DGND 8 O D5 15
2 — 9 O 16
DV D6
CC
3 O D0 10 O D7 17
4 O 11 18
D1 O D8
5 O 12 O 19
D2 D9
6 O D3 13 O OTR 20
7 O 14 I 21
D4 DFS
19
CLAMP
20
CLAMPIN
25
AINP
26
AINN
SHA GAIN
A/D D/A
BANDGAP REFERENCE
23
V REF
+
_
18
REFSENSE 0.5 V
27
AGND PWRCON
PIN
I/O SIGNAL I/O SIGNAL
NO.
I
CLK 22 I
REFTF
I 23 I/O
3-STATE V
REF
I STBY 24 I
REFBF
I 25
REFSENSE I
AINP
I 26 I
CLAMP AINN
I
CLAMPIN 27 —
AGND
I 28 —
PWRCON AV
CC
A/D
SHA GAIN
A/D D/A
CORRECTION LOGIC
13
OUTPUT BUFFERS
10 3 - 12
21 14
DFS
HDVF-C30W
OTR
D0 - D9