LTC2226 LINER [Linear Technology], LTC2226 Datasheet - Page 13

• Manufacturer Part Number: LTC2226
• Description: 12-Bit, 65/40/25Msps Low Power 3V ADCs
• Manufacturer: LINER [Linear Technology]

FUNCTIONAL BLOCK DIAGRAM
SENSE
2.2μF
A
A
V
IN
IN
CM
+
–
INPUT
REFERENCE
S/H
SELECT
RANGE
1.5V
REF
BUF
FIRST PIPELINED
ADC STAGE
AMP
SECOND PIPELINED
DIFF
REF
ADC STAGE
1μF
REFH
Figure 1. Functional Block Diagram
REFH
0.1μF
2.2μF
REFL
THIRD PIPELINED
REFL
ADC STAGE
1μF
INTERNAL CLOCK SIGNALS
LTC2228/LTC2227/LTC2226
CLOCK/DUTY
CONTROL
CYCLE
CLK
FOURTH PIPELINED
ADC STAGE
M0DE
CONTROL
LOGIC
SHDN
FIFTH PIPELINED
ADC STAGE
OE
AND CORRECTION
SIXTH PIPELINED
SHIFT REGISTER
DRIVERS
OUTPUT
ADC STAGE
OGND
222876 F01
13
222876fb
•
•
•
OV
OF
D11
D0
DD