LTC2262-14 Linear Dimensions Semiconductor, LTC2262-14 Datasheet - Page 13

• Manufacturer Part Number: LTC2262-14
• Description: 150Msps Ultralow Power 1.8V ADC
• Manufacturer: Linear Dimensions Semiconductor

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PIN FUNCTIONS
differential output pair. The even data bits (D0, D2, D4,
D6, D8, D10, D12) appear when CLKOUT
data bits (D1, D3, D5, D7, D9, D11, D13) appear when
CLKOUT
CLKOUT
The digital outputs normally transition at the same time
FUNCTIONAL BLOCK DIAGRAM
+
SENSE
–
0.1μF
1μF
V
A
A
/CLKOUT
V
is high.
REF
IN
IN
CM
+
–
INPUT
REFERENCE
S/H
SELECT
RANGE
1.25V
+
V
DD
(Pins 27/28): Data Output Clock.
/2
REF
BUF
FIRST PIPELINED
ADC STAGE
AMP
DIFF
REF
SECOND PIPELINED
+
ADC STAGE
is low. The odd
0.1μF
Figure 1. Functional Block Diagram
REFH
REFH
0.1μF
2.2μF
REFL
THIRD PIPELINED
REFL
ADC STAGE
0.1μF
INTERNAL CLOCK SIGNALS
CLOCK/DUTY
ENC
CONTROL
as the falling and rising edges of CLKOUT
CLKOUT
by programming the mode control registers.
OF
is high when an overfl ow or underfl ow has occurred.
CYCLE
+
–
ENC
/OF
–
FOURTH PIPELINED
ADC STAGE
+
+
(Pins 35/36): Over/Under Flow Digital Output. OF
PAR/SER
can also be delayed relative to the digital outputs
CS
REGISTERS
CONTROL
MODE
SCK
FIFTH PIPELINED
SDI
ADC STAGE
SDO
AND CORRECTION
SHIFT REGISTER
DRIVERS
OUTPUT
LTC2262-14
OGND
226214 F01
+
. The phase of
•
•
•
OV
D0
GND
OF
D13
CLKOUT
CLKOUT
V
DD
DD
13
+
–
226214p
+