ltc1744 Linear Technology Corporation, ltc1744 Datasheet - Page 10

• Manufacturer Part Number: ltc1744
• Description: 14-bit, 50msps Adc
• Manufacturer: Linear Technology Corporation

LTC1744
TI I G DIAGRA
FU CTIO AL BLOCK DIAGRA
ANALOG INPUT
10
DIFFERENTIAL
W
U
4.7 F
1V
U
SENSE
A
A
V
IN
IN
CM
+
–
ANALOG
ENCODE
U
CLKOUT
INPUT
DATA
DATA
2.5V
SELECT
RANGE
OE
REF
t
3
t
5
t
t
6
7
BUFFER
N
W
t
CIRCUIT
2
S/H
DB13 TO DB0, OF AND CLKOUT
t
5
DB13 TO DB0
DATA (N – 5)
DATA N
DIFF AMP
W
t
REFLB
1
0.1 F
1 F
PIPELINED ADC
t
4
t
8
14-BIT
REFHA
4.7 F
REFLA
0.1 F
1 F
REFHB
ENCODE INPUT
DIFFERENTIAL
DB13 TO DB0
DATA (N – 4)
CORRECTION
LOGIC AND
REGISTER
ENC
SHIFT
CONTROL LOGIC
ENC
14
MSBINV
LATCHES
OUTPUT
OE
DB13 TO DB0
DATA (N – 3)
GND
OGND
V
1744 BD
•
•
•
DD
OF
D13
D0
CLKOUT
OV
1 F
1744 TD
DD
0.1 F
1 F
0.1 F
0.5V TO 5V
1 F
5V
1744f