ltc2226iuh-trpbf Linear Technology Corporation, ltc2226iuh-trpbf Datasheet - Page 13

• Manufacturer Part Number: ltc2226iuh-trpbf
• Description: Ltc2227 - 12-bit, 40msps Low Power 3v Adcs
• Manufacturer: Linear Technology Corporation

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
AMP
SECOND PIPELINED
DIFF
REF
ADC STAGE
1µF
REFH
Figure 1. Functional Block Diagram
REFH
W
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
•
•
•
222876fa
OV
OF
D11
D0
DD