ltc2195 Linear Technology Corporation, ltc2195 Datasheet - Page 16

• Manufacturer Part Number: ltc2195
• Description: Ltc2195/ltc2194/ltc2193 - 16-bit, 125/105/80msps Low Power Dual Adcs
• Manufacturer: Linear Technology Corporation

LTC2195
LTC2194/LTC2193
FUNCTIONAL BLOCK DIAGRAM
16
ANALOG
ANALOG
INPUT
INPUT
CH1
CH2
SENSE
2.2µF
V
REF
REFERENCE
SELECT
RANGE
S/H
S/H
1.25V
REF BUF
ADC CORE
ADC CORE
16-BIT
16-BIT
1.8V
DIFF REF
V
AMP
DD
Figure 1. Functional Block Diagram
REFH
REFH
2.2µF
0.1µF
REFL
REFL
0.1µF
V
DD
/2
V
CM1
0.1µF
ENC
+
PLL
V
ENC
CM2
0.1µF
–
PAR/SER
CS
REGISTERS
CONTROL
MODE
SCK
SERIALIZER
DATA
SDI
1.8V
OV
SDO
DD
OGND
219543 F01
OUT1A
OUT1B
OUT1C
OUT1D
OUT2A
OUT2B
OUT2C
OUT2D
DATA CLOCK OUT
FRAME
219543p