LTC2173IUKG-14#PBF Linear Technology, LTC2173IUKG-14#PBF Datasheet - Page 18

• Manufacturer Part Number: LTC2173IUKG-14#PBF
• Description: IC ADC 14BIT SER 80MSPS 52-QFN
• Manufacturer: Linear Technology

Specifications of LTC2173IUKG-14#PBF

• Number Of Bits: 14
• Sampling Rate (per Second): 80M
• Data Interface: Serial, SPI™
• Number Of Converters: 4
• Power Dissipation (max): 454mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 52-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC2175-14/
LTC2174-14/LTC2173-14
FUNCTIONAL BLOCK DIAGRAM
18
ANALOG
ANALOG
ANALOG
ANALOG
INPUT
INPUT
INPUT
INPUT
CH 1
CH 2
CH 3
CH 4
SENSE
1μF
V
REF
REFERENCE
SELECT
RANGE
1.25V
S/H
S/H
S/H
S/H
GND
REF
BUF
ADC CORE
ADC CORE
ADC CORE
ADC CORE
14-BIT
14-BIT
14-BIT
14-BIT
1.8V
V
DIFF
AMP
REF
DD
0.1μF
Figure 1. Functional Block Diagram
REFH
REFH
2.2μF
0.1μF
REFL
REFL
0.1μF
V
DD
VCM12
/2
0.1μF
ENC+ ENC–
PLL
VCM34
0.1μF
PAR/SER
CS
REGISTERS
CONTROL
SERIALIZER
MODE
SCK
DATA
1.8V
OV
SDI
DD
SDO
217514 F01
OUT1A
OUT1B
OUT2A
OUT2B
OUT3A
OUT3B
OUT4A
OUT4B
DATA CLOCK OUT
FRAME
OGND
21754314f