LTC2297 LINER [Linear Technology], LTC2297 Datasheet - Page 13

• Manufacturer Part Number: LTC2297
• Description: Dual 14-Bit, 65/40/25Msps Low Power 3V ADCs
• Manufacturer: LINER [Linear Technology]

FUNCTIONAL BLOCK DIAGRA
SENSE
2.2µF
U
A
A
V
IN
IN
CM
+
–
INPUT
REFERENCE
S/H
SELECT
RANGE
1.5V
U
BUF
REF
FIRST PIPELINED
ADC STAGE
Figure 1. Functional Block Diagram (Only One Channel is Shown)
AMP
SECOND PIPELINED
DIFF
REF
ADC STAGE
1µF
REFH
REFH
0.1µF
2.2µF
W
REFL
THIRD PIPELINED
REFL
ADC STAGE
1µF
INTERNAL CLOCK SIGNALS
CLOCK/DUTY
LTC2298/LTC2297/LTC2296
CONTROL
CYCLE
CLK
FOURTH PIPELINED
ADC STAGE
MODE
CONTROL
LOGIC
SHDN
FIFTH PIPELINED
ADC STAGE
OE
AND CORRECTION
SHIFT REGISTER
SIXTH PIPELINED
DRIVERS
OUTPUT
ADC STAGE
OGND
229876 F01
13
•
•
•
229876f
OF
D13
D0
OV
DD