Datasheet

ADS930
4
SBAS059A
PIN CONFIGURATION
PIN DESIGNATOR DESCRIPTION
1+V
S
Analog Supply
2LV
DD
Output Logic Driver Supply Voltage
3 NC No Connection
4 NC No Connection
5 Bit 8 (LSB) Data Bit 8 (D7)
6 Bit 7 Data Bit 7 (D6)
7 Bit 6 Data Bit 6 (D5)
8 Bit 5 Data Bit 5 (D4)
9 Bit 4 Data Bit 4 (D3)
10 Bit 3 Data Bit 3 (D2)
11 Bit 2 Data Bit 2 (D1)
12 Bit 1(MSB) Data Bit 1 (D0)
13 GND Analog Ground
14 GND Analog Ground
15 CLK Convert Clock Input
16 OE Output Enable, Active Low
17 Pwrdn Power Down Pin
18 +V
S
Analog Supply
19 GND Analog Ground
20 GND Analog Ground
21 LpBy Positive Ladder Bypass
22 NC No Connection
23 1V
REF
1V Reference Output
24 IN Complementary Input
25 LnBy Negative Ladder Bypass
26 CM Common-Mode Voltage Output
27 +IN Analog Input
28 +V
S
Analog Supply
PIN DESCRIPTIONS
TIMING DIAGRAM
SYMBOL DESCRIPTION MIN TYP MAX UNITS
t
CONV
Convert Clock Period 33 100µsns
t
L
Clock Pulse Low 15.5 16.5 ns
t
H
Clock Pulse High 15.5 16.5 ns
t
D
Aperture Delay 2 ns
t
1
Data Hold Time, C
L
= 0pF 3.9 ns
t
2
New Data Delay Time, C
L
= 15pF max 12 ns
5 Clock Cycles
Data Invalid
t
D
t
L
t
H
t
CONV
N–5N–4N–3N–2N–1 N N+1 N+2
Data Out
Clock
Analog In
N
t
2
N+1
N+2
N+3
N+4
N+5
N+6
N+7
t
1
Top View SSOP
+V
S
LV
DD
NC
NC
LSB Bit 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
MSB Bit 1
GND
GND
+V
S
+IN
CM
LnBy
IN
1V
REF
NC
LpBy
GND
GND
+V
S
Pwrdn
OE
CLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ADS930