LTC2293 Linear Technology, LTC2293 Datasheet - Page 13

• Manufacturer Part Number: LTC2293
• Description: (LTC2291 - LTC2293) 65/40/25Msps Low Power 3V ADCs
• Manufacturer: Linear Technology

DataSheet4U.com
www.DataSheet4U.com
FUNCTIONAL BLOCK DIAGRA
SENSE
2.2µF
U
A
A
V
IN
IN
CM
+
–
INPUT
REFERENCE
S/H
SELECT
RANGE
1.5V
U
REF
BUF
FIRST PIPELINED
ADC STAGE
Figure 1. Functional Block Diagram (Only One Channel is Shown)
DIFF
AMP
SECOND PIPELINED
REF
ADC STAGE
1µF
REFH
REFH
0.1µF
2.2µF
W
DataSheet4U.com
REFL
THIRD PIPELINED
REFL
ADC STAGE
1µF
INTERNAL CLOCK SIGNALS
CLOCK/DUTY
LTC2293/LTC2292/LTC2291
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
229321 F01
13
•
•
•
229321f
OF
D11
D0
OV
DD
DataShee