LTC2172CUKG-12#TRPBF Linear Technology, LTC2172CUKG-12#TRPBF Datasheet - Page 18

• Manufacturer Part Number: LTC2172CUKG-12#TRPBF
• Description: IC ADC 12BIT SER/PAR 65M 52-QFN
• Manufacturer: Linear Technology

Specifications of LTC2172CUKG-12#TRPBF

• Number Of Bits: 12
• Sampling Rate (per Second): 65M
• Data Interface: Serial, Parallel
• Number Of Converters: 4
• Power Dissipation (max): 409mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 52-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC2172-12/
LTC2171-12/LTC2170-12
FUNCTIONAL BLOCK DIAGRAM
18
CHANNEL 1
CHANNEL 2
CHANNEL 3
CHANNEL 4
ANALOG
ANALOG
ANALOG
ANALOG
INPUT
INPUT
INPUT
INPUT
SENSE
1μF
V
REF
AND-HOLD
AND-HOLD
AND-HOLD
AND-HOLD
REFERENCE
SAMPLE-
SAMPLE-
SAMPLE-
SAMPLE-
SELECT
RANGE
GND
1.25V
REF
BUF
ADC CORE
ADC CORE
ADC CORE
ADC CORE
12-BIT
12-BIT
12-BIT
12-BIT
1.8V
V
DD
AMP
DIFF
REF
Figure 1. Functional Block Diagram
REFH
REFH
2.2μF
0.1μF
0.1μF
REFL
REFL
0.1μF
ENC
V
PLL
+
DD
ENC
VCM12
/2
0.1μF
–
VCM34
0.1μF
PAR/SER
CS
REGISTERS
CONTROL
MODE
SERIALIZER
SCK
DATA
1.8V
SDI
OV
DD
SDO
217212 F01
OUT1A
OUT1B
OUT2A
OUT2B
OUT3A
OUT3B
OUT4A
OUT4B
DATA
CLOCK OUT
FRAME
OGND
21721012f