LTC1408 Просмотр технического описания (PDF) - Linear Technology
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LTC1408 Datasheet PDF : 20 Pages
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LTC1408
ABSOLUTE AXI U RATI GS
(Notes 1, 2)
Supply Voltage (VDD, VCC, OVDD) .............................. 4V
Analog Input Voltage
(Note 3) ................................... – 0.3V to (VDD + 0.3V)
Digital Input Voltage .................... – 0.3V to (VDD + 0.3V)
Digital Output Voltage .................. – 0.3V to (VDD + 0.3V)
Power Dissipation .............................................. 100mW
Operation Temperature Range
LTC1408C ............................................... 0°C to 70°C
LTC1408I ............................................ – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 125°C
PACKAGE/ORDER I FOR ATIO
TOP VIEW
16 15 14 13 12 11 10 9
CH4+ 17
8 CH1–
CH4– 18
7 CH1+
GND 19
CH5+ 20
CH5– 21
33
6 GND
5 CH0–
4 CH0+
GND 22
VREF 23
VCC 24
3 OVDD
2 OGND
1 SDO
25 26 27 28 29 30 31 32
ORDER PART
NUMBER
LTC1408CUH
LTC1408IUH
QFN PART MARKING
QFN PACKAGE
32-PIN (5mm × 5mm) PLASTIC QFN
TJMAX = 125°C, θJA = 34°C/ W
EXPOSED PIN IS GND (PAD 33)
MUST BE SOLDERED TO PCB
1408
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
CO VERTER CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. With internal reference, VDD = 3V, VDD = VCC = 3V.
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Offset Error
Offset Match from CH0 to CH5
Range Error
Range Match from CH0 to CH5
Range Tempco
CONDITIONS
(Note 5)
(Note 4)
(Note 4)
Internal Reference (Note 4)
External Reference
MIN TYP MAX
UNITS
● 14
Bits
● –3
±0.5
3
LSB
● –4.5
±1
4.5
mV
–3
±0.5
3
mV
● –12
±2
12
mV
–5
±1
5
mV
± 15
ppm/°C
±1
ppm/°C
A ALOG I PUT The ● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. With internal reference, VDD = 3V, VDD = VCC = 3V.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
VIN
Analog Differential Input Range (Notes 3, 8, 9) 2.7V ≤ VDD ≤ 3.3V
VCM
Analog Common Mode + Differential
Input Range
(Note 8)
0 to 2.5
0 to VDD
IIN
Analog Input Leakage Current
●
1
CIN
Analog Input Capacitance
13
tACQ
Sample-and-Hold Acquisition Time
(Note 6)
●
39
tAP
Sample-and-Hold Aperture Delay Time
1
tJITTER Sample-and-Hold Aperture Delay Time Jitter
0.3
tSK
Channel to Channel Aperture Skew
200
CMRR Analog Input Common Mode Rejection Ratio
fIN = 100kHz, VIN = 0V to 3V
– 83
fIN = 10MHz, VIN = 0V to 3V
– 67
2
UNITS
V
V
µA
pF
ns
ns
ps
ps
dB
dB
1408fa
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