LTC1405 Linear Technology, LTC1405 Datasheet - Page 6

• Manufacturer Part Number: LTC1405
• Description: 12-Bit/ 5Msps/ Sampling ADC
• Manufacturer: Linear Technology

FU CTIO AL BLOCK DIAGRA
LTC1405
6
TI I G DIAGRA
W
U
U
U
SENSE
–A
V
+
V
A
REF
CM
IN
IN
W
0V OR –5V
ANALOG
OUTPUT
INPUT
DATA
MODE SELECT
CLK
V
SS
S/H
GAIN
N
N – 3
t
t
H
CONV
t
CLOCK
W
2.048V
GND
(PIN 6)
t
L
N + 1
PIPELINED 12-BIT ADC
DIGITAL CORRECTION
REFERENCE
N – 2
2.5V
t
5V
ACQ
LOGIC
GND
(PIN 8)
V
(PIN 7)
DD
N + 2
N – 1
GND
(PIN 24)
V
(PIN 23)
DD
BUFFERS
OUTPUT
N + 3
OV
OGND
N
DD
1405 TD
OPTIONAL 3V
LOGIC SUPPLY
1405 FBD
OF
D11 (MSB)
D0 (LSB)
CLK