LTC2205-14 LINER [Linear Technology], LTC2205-14 Datasheet - Page 13

• Manufacturer Part Number: LTC2205-14
• Description: 14-Bit, 65Msps ADC
• Manufacturer: LINER [Linear Technology]

BLOCK DIAGRAM
TIMING DIAGRAM
SENSE
A
A
V
IN
IN
CM
+
–
GENERATOR
INPUT
S/H
DITHER
SIGNAL
BUFFER
REFERENCE
VOLTAGE
D0-D13, OF
SELECT
RANGE
CLKOUT
CLKOUT
ANALOG
INPUT
ENC
ENC
FIRST PIPELINED
ADC STAGE
–
+
+
–
PGA
N
t
H
t
t
t
AP
D
C
ADC
REFERENCE
N – 7
SECOND PIPELINED
Figure 1. Functional Block Diagram
ADC STAGE
t
L
N + 1
DIFFERENTIAL
ADC CLOCKS
ENC
LOW JITTER
DRIVER
CLOCK
INPUT
+
N – 6
ENC
–
THIRD PIPELINED
ADC STAGE
N + 2
SHDN
PGA RAND
N – 5
CONTROL
LOGIC
M0DE
FOURTH PIPELINED
N + 3
ADC STAGE
OE
N – 4
DITH
220514 TD01
N – 3
CORRECTION LOGIC
N + 4
LTC2205-14
FIFTH PIPELINED
SHIFT REGISTER
ADC STAGE
DRIVERS
OUTPUT
AND
OGND
220514 F01
13
•
•
•
220514fa
CLKOUT+
CLKOUT–
OF
D13
D12
D1
D0
GND
OV
V
DD
DD