LTC1609I Просмотр технического описания (PDF) - Linear Technology
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LTC1609I Datasheet PDF : 24 Pages
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LTC1609
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
VANA .......................................................................... 7V
VDIG to VANA ........................................................... 0.3V
VDIG ........................................................................... 7V
Ground Voltage Difference
DGND, AGND1 and AGND2 .............................. ±0.3V
Analog Inputs (Note 3)
R1IN, R2IN, R3IN ................................................ ±25V
CAP ............................ VANA + 0.3V to AGND2 – 0.3V
REF .................................... Indefinite Short to AGND2
Momentary Short to VANA
Digital Input Voltage (Note 4) ........ DGND – 0.3V to 10V
Digital Output Voltage ........ DGND – 0.3V to VDIG + 0.3V
Power Dissipation .............................................. 500mW
Operating Ambient Temperature Range
LTC1609AC/LTC1609C ............................ 0°C to 70°C
LTC1609AI/LTC1609I ......................... – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
R1IN 1
AGND1 2
R2IN 3
R3IN 4
NC 5
CAP 6
REF 7
NC 8
AGND2 9
NC 10
NC 11
SB/BTC 12
EXT/INT 13
DGND 14
TOP VIEW
28 VDIG
27 VANA
26 PWRD
25 BUSY
24 CS
23 NC
22 NC
21 R/C
20 NC
19 TAG
18 NC
17 DATA
16 DATACLK
15 SYNC
G PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 95°C/W
ORDER PART
NUMBER
LTC1609CG
LTC1609IG
TOP VIEW
R1IN 1
AGND1 2
R2IN 3
R3IN 4
CAP 5
REF 6
AGND2 7
SB/BTC 8
EXT/INT 9
DGND 10
20 VDIG
19 VANA
18 PWRD
17 BUSY
16 CS
15 R/C
14 TAG
13 DATA
12 DATACLK
11 SYNC
SW PACKAGE
20-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 130°C/W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ORDER PART
NUMBER
LTC1609CSW
LTC1609ISW
LTC1609ACSW
LTC1609AISW
CONVERTER CHARACTERISTICS The q indicates specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. With external reference (Notes 5, 6).
PARAMETER
CONDITIONS
LTC1609
MIN TYP MAX
LTC1609A
MIN TYP MAX
UNITS
Resolution
q 16
16
Bits
No Missing Codes
q 15
16
Bits
Transition Noise
Integral Linearity Error
(Note 7)
0.9
q
±3
0.9
LSBRMS
±2
LSB
Differential Linearity Error
q –2
3
–1
1.75
LSB
Bipolar Zero Error
External Reference = 2.5V (Note 8), Bipolar Ranges q
±10
±10
mV
1609fa
2
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