LTC2173CUKG-12#PBF Linear Technology, LTC2173CUKG-12#PBF Datasheet - Page 10

• Manufacturer Part Number: LTC2173CUKG-12#PBF
• Description: IC ADC 12BIT SER 80MSPS 52-QFN
• Manufacturer: Linear Technology

Specifications of LTC2173CUKG-12#PBF

• Number Of Bits: 12
• Sampling Rate (per Second): 80M
• Data Interface: Serial, SPI™
• Number Of Converters: 4
• Power Dissipation (max): 446mW
• Voltage Supply Source: Single Supply
• 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

LTC2175-12/
LTC2174-12/LTC2173-12
TIMING DIAGRAMS
10
SDO
SDO
SCK
SCK
SDI
SDI
CS
CS
HIGH IMPEDANCE
HIGH IMPEDANCE
t
S
R/W
R/W
ANALOG
OUT#B
*D
OUT#A
OUT#A
VERSIONS OF THESE A/Ds. DURING NORMAL NON-OVERRANGED OPERATION D
LOGIC 0. SEE THE DATA FORMAT SECTION FOR MORE DETAILS.
INPUT
A6
A6
X
ENC
ENC
DCO
DCO
AND D
FR
FR
ANALOG
OUT#B
OUT#A
OUT#A
+
–
+
–
+
–
+
–
+
INPUT
, OUT#B
DCO
DCO
ENC
ENC
SAMPLE N-6
FR
FR
Y
A5
A5
D1
+
ARE EXTRA NON-DATA BITS FOR COMPLETE SOFTWARE COMPATIBILITY WITH THE 14-BIT
–
+
–
+
–
+
–
+
, OUT#B
SAMPLE N-6
–
D0
D3
ARE DISABLED
N
A4
A4
–
D
t
D2
PD
ARE DISABLED
X
t
*
AP
N
D
D1 D0 D11 D10 D9
t
Y
PD
*
One-Lane Output Mode, 12-Bit Serialization
t
A3
A3
One-Lane Output Mode, 14-Bit Serialization
AP
t
D11 D10 D9
SAMPLE N-5
ENCH
t
t
DS
ENCH
SAMPLE N-5
t
SPI Port Timing (Readback Mode)
FRAME
A2
A2
SPI Port Timing (Write Mode)
t
FRAME
A1
A1
D8
D7
D8
A0
A0
t
DH
D6
t
D7
DATA
D5 D4
D6
t
DATA
XX
D7
D7
t
D5 D4
t
ENCL
t
DO
ENCL
D3
XX
D6
D6
t
SER
D2 D1
X
D3
t
SCK
AND D
t
t
SER
SER
XX
D5
t
SER
D2 D1
D5
t
Y
t
SER
N+1
SER
ARE SET TO
D0
XX
D4
D4
D
D0 D11
X
N+1
* D
SAMPLE N-4
Y
XX
D3
*
D3
D11
D10 D9
SAMPLE N-4
217512 TD07
D10 D9
XX
D2
D2
XX
D1
217512 TD06
D8
D1
XX
D0
D0
t
H
217512 TD04
21754312f