(Note 3) ...........................(GND –0.3V) to (OV
DD
+ 0.3V)
Digital Output Voltage
(Note 3) ...........................(GND –0.3V) to (OV
DD
+ 0.3V)
Power Dissipation .............................................. 500mW
Operating Temperature Range
LTC2372C ................................................0°C to 70°C
LTC2372I .............................................–40°C to 85°C
LTC2372H ..........................................–40°C to 125°C
Storage Temperature Range ..................–65°C to 150°C
32 31 30 29 28 27 26 25
CH2 1
CH3 2
MUXOUT
+
OV
DD
24 RESET
23 GND
22 SDO
21 SCK
20 SDI
19 BUSY
18 RDL
17 GND
CNV
COM
GND
GND
3
4
5
6
33
ADCIN
+
ADCIN
–
MUXOUT
–
CH4 7
CH5 8
9 10 11 12 13 14 15 16
GND
REFBUF
REFIN
GND
CH6
CH7
UH PACKAGE
32-LEAD (5mm
×
5mm) PLASTIC QFN
T
JMAX
= 125°C,
θ
JA
= 44°C/W
EXPOSED PAD IS GND (PIN 33) MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
LTC2372CUH-16#PBF
LTC2372IUH-16#PBF
LTC2372HUH-16#PBF
TAPE AND REEL
LTC2372CUH-16#TRPBF
LTC2372IUH-16#TRPBF
LTC2372HUH-16#TRPBF
PART MARKING*
237216
237216
237216
PACKAGE DESCRIPTION
32-Lead (5mm
×
5mm) Plastic QFN
32-Lead (5mm
×
5mm) Plastic QFN
32-Lead (5mm
×
5mm) Plastic QFN
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on nonstandard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
GND
CH1
CH0
V
DD
2
237216f
For more information
www.linear.com/LTC2372-16
LTC2372-16
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 4)
SYMBOL
V
IN+
V
IN–
PARAMETER
Absolute Input Range (CH0 to CH7)
Absolute Input Range
(CH0 to CH7, COM)
CONDITIONS
(Note 5)
Fully Differential (Note 5)
Pseudo-Differential Unipolar (Note 5)
Pseudo-Differential Bipolar (Note 5)
Fully Differential
Pseudo-Differential Unipolar
Pseudo-Differential Bipolar
Pseudo-Differential Bipolar and
Fully Differential (Note 6)
Sample Mode
Hold Mode
l
l
l
l
l
l
l
elecTrical characTerisTics
MIN
–0.1
TYP
MAX
V
REFBUF
+ 0.1
UNITS
V
V
V
V
V
V
V
V
µA
pF
pF
dB
dB
dB
–0.1
V
REFBUF
+ 0.1
–0.1
0.1
0
V
REFBUF
/2 – 0.1 V
REFBUF
/2 V
REFBUF
/2 + 0.1
–V
REFBUF
0
–V
REFBUF
/2
V
REFBUF
V
REFBUF
V
REFBUF
/2
V
IN+
– V
IN–
Input Differential Voltage Range
V
CM
I
IN
C
IN
CMRR
Common Mode Input Range
Analog Input Leakage Current
Analog Input Capacitance
l
–V
REFBUF
/2 – 0.1 V
REFBUF
/2 V
REFBUF
/2 + 0.1
l
–1
75
5
71
72
73
1
Input Common Mode Rejection Ratio Fully Differential, f
IN
= 250kHz
Pseudo-Differential Unipolar, f
IN
= 250kHz
Pseudo-Differential Bipolar, f
IN
= 250kHz
temperature range, otherwise specifications are at T
A
= 25°C. (Note 4)
SYMBOL PARAMETER
Resolution
No Missing Codes
Transition Noise
Fully Differential
Pseudo-Differential Unipolar
Pseudo-Differential Bipolar
CONDITIONS
converTer characTerisTics
The
l
denotes the specifications which apply over the full operating
MIN
l
l
TYP
MAX
UNITS
Bits
Bits
16
16
0.25
0.5
0.5
LSB
RMS
LSB
RMS
LSB
RMS
1
1
1
0.5
0.5
0.5
6
6
8
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
mLSB/°C
mLSB/°C
mLSB/°C
6
7
8
15
25
20
50
–15
30
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
237216f
INL
Integral Linearity Error
Fully Differential (Note 7)
Pseudo-Differential Unipolar (Note 7)
Pseudo-Differential Bipolar (Note 7)
Fully Differential (Note 6)
Pseudo-Differential Unipolar (Note 6)
Pseudo-Differential Bipolar (Note 6)
Fully Differential (Note 8)
Pseudo-Differential Unipolar (Note 8)
Pseudo-Differential Bipolar (Note 8)
Fully Differential
Pseudo-Differential Unipolar
Pseudo-Differential Bipolar
Fully Differential
Pseudo-Differential Unipolar
Pseudo-Differential Bipolar
Fully Differential
REFBUF = 4.096V (REFBUF Overdriven) (Notes 8, 9)
REFIN = 2.048V (REFIN Overdriven) (Note 8)
Pseudo-Differential Unipolar
REFBUF = 4.096V (REFBUF Overdriven) (Notes 8, 9)
REFIN = 2.048V (REFIN Overdriven) (Note 8)
Pseudo-Differential Bipolar
REFBUF = 4.096V (REFBUF Overdriven) (Notes 8, 9)
REFIN = 2.048V (REFIN Overdriven) (Note 8)
l
l
l
l
l
l
l
l
l
–1
–1
–1
–0.5
–0.5
–0.5
–6
–6
–8
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.5
±0.5
±0.5
1
2
2
DNL
Differential Linearity Error
ZSE
Zero-Scale Error
Zero-Scale Error Drift
Zero-Scale Error Match
l
l
l
–6
–7
–8
–15
–25
–20
–50
–15
–30
±0.5
±1
±1
±2
±3
±1
±4
±2
±3
FSE
Full-Scale Error
l
l
l
l
l
l
For more information
www.linear.com/LTC2372-16
3
LTC2372-16
temperature range, otherwise specifications are at T
A
= 25°C. (Note 4)
SYMBOL PARAMETER
Full-Scale Error Drift
CONDITIONS
Fully Differential
REFBUF = 4.096V (REFBUF Overdriven) (Note 9)
Pseudo-Differential Unipolar
REFBUF = 4.096V (REFBUF Overdriven) (Note 9)
Pseudo-Differential Bipolar
REFBUF = 4.096V (REFBUF Overdriven) (Note 9)
Fully Differential
REFBUF = 4.096V (REFBUF Overdriven) (Note 9)
Pseudo-Differential Unipolar
REFBUF = 4.096V (REFBUF Overdriven) (Note 9)
Pseudo-Differential Bipolar
REFBUF = 4.096V (REFBUF Overdriven) (Note 9)
l
l
l
converTer characTerisTics
The
l
denotes the specifications which apply over the full operating
MIN
TYP
0.2
0.2
0.2
–6
–7
–8
±0.5
±1
±1
6
7
8
MAX
UNITS
ppm/°C
ppm/°C
ppm/°C
LSB
LSB
LSB
Full-Scale Error Match
DynaMic accuracy
SYMBOL
SINAD
PARAMETER
The
l
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C and A
IN
= –1dBFS. (Notes 4, 10)
CONDITIONS
Fully Differential
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven)
Pseudo-Differential Unipolar
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven)
Pseudo-Differential Bipolar
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven)
Fully Differential
f
IN
= 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9)
Pseudo-Differential Unipolar
f
IN
= 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9)
Pseudo-Differential Bipolar
f
IN
= 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9)
Fully Differential
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1
Pseudo-Differential Bipolar
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1
l
l
l
MIN
93
90
90
TYP
96
93.4
93.4
97
94.5
94.5
95
91.5
MAX
UNITS
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Signal-to-(Noise + Distortion) Ratio
SNR
Signal-to-Noise Ratio
Fully Differential
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven)
Pseudo-Differential Unipolar
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven)
Pseudo-Differential Bipolar
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven)
Fully Differential
f
IN
= 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9)
Pseudo-Differential Unipolar
f
IN
= 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9)
Pseudo-Differential Bipolar
f
IN
= 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9)
Fully Differential
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1
Pseudo-Differential Bipolar
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1
l
l
l
93
90
90
96
93.4
93.4
97
94.5
94.5
95
91.5
4
237216f
For more information
www.linear.com/LTC2372-16
LTC2372-16
DynaMic accuracy
SYMBOL
THD
PARAMETER
Total Harmonic Distortion
The
l
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C and A
IN
= –1dBFS. (Notes 4, 10)
CONDITIONS
Fully Differential
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven)
Pseudo-Differential Unipolar
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven)
Pseudo-Differential Bipolar
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven)
Fully Differential
f
IN
= 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9)
Pseudo-Differential Unipolar
f
IN
= 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9)
Pseudo-Differential Bipolar
f
IN
= 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9)
Fully Differential
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1
Pseudo-Differential Bipolar
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1
l
l
l
MIN
TYP
–114
–110
–110
–111
–110
–110
–113
–110
MAX
–101
–100
–100
UNITS
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
MHz
ps
ps
RMS
µs
SFDR
Spurious Free Dynamic Range
Fully Differential
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven)
Pseudo-Differential Unipolar
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven)
Pseudo-Differential Bipolar
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven)
Fully Differential
f
IN
= 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9)
Pseudo-Differential Unipolar
f
IN
= 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9)
Pseudo-Differential Bipolar
f
IN
= 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9)
Fully Differential
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1
Pseudo-Differential Bipolar
f
IN
= 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1
l
l
l
101
100
100
114
110
110
112
112
112
112.5
113.5
–107
22
500
4
Channel-to-Channel Crosstalk
–3dB Input Linear Bandwidth
Aperture Delay
Aperture Jitter
Transient Response
f
IN
= 100kHz, Signal Applied to an OFF Channel
Full-Scale Step
0.5
The
l
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
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