參數(shù)資料
型號(hào): LTC2449IUHF
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 24-Bit High Speed 8-/16-Channel ADCs with Selectable Speed/Resolution
中文描述: 16-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC38
封裝: 7 X 5 MM, PLASTIC, MO-220-WHKD, QFN-38
文件頁(yè)數(shù): 2/28頁(yè)
文件大?。?/td> 270K
代理商: LTC2449IUHF
LTC2444/LTC2445/
LTC2448/LTC2449
2
sn2444589 2444589fs
ORDER PART
NUMBER
LTC2444CUHF
LTC2444IUHF
ORDER PART
NUMBER
LTC2445CUHF
LTC2445IUHF
ABSOLUTEW
(Notes 1, 2)
Supply Voltage (V
CC
) to GND.......................–0.3V to 6V
Analog Input Pins Voltage
to GND.................................... –0.3V to (V
CC
+ 0.3V)
Reference Input Pins Voltage
to GND.................................... –0.3V to (V
CC
+ 0.3V)
Digital Input Voltage to GND........ –0.3V to (V
CC
+ 0.3V)
Digital Output Voltage to GND ..... –0.3V to (V
CC
+ 0.3V)
W
W
U
PACKAGE/ORDER IU
U
W
T
JMAX
= 125
°
C,
θ
JA
= 34
°
C/W
QFN PART MARKING*
2444
Operating Temperature Range
LTC2444C/LTC2445C/
LTC2448C/LTC2449C..............................0
°
C to 70
°
C
LTC2444I/LTC2445I/
LTC2448I/LTC2449I ........................... –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 125
°
C
LTC2448CUHF
LTC2448IUHF
QFN PART MARKING*
2448
13 14 15 16
TOP VIEW
UHF PACKAGE
38-LEAD (5mm
×
7mm) PLASTIC QFN
T
JMAX
= 125
°
C,
θ
JA
= 34
°
C/W
17 18 19
38 37 36 35 34 33 32
24
23
22
21
20
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1
GND
BUSY
EXT
GND
GND
GND
COM
NC
CH0
CH1
NC
NC
GND
REF
REF
+
V
CC
NC
NC
NC
NC
NC
CH7
CH6
NC
S
S
C
F
O
S
G
G
C
C
N
N
C
C
N
9
10
11
12
13 14 15 16
TOP VIEW
UHF PACKAGE
38-LEAD (5mm
×
7mm) PLASTIC QFN
T
JMAX
= 125
°
C,
θ
JA
= 34
°
C/W
17 18 19
38 37 36 35 34 33 32
24
23
22
21
20
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1
GND
BUSY
EXT
GND
GND
GND
COM
CH0
CH1
CH2
CH3
CH4
GND
REF
REF
+
V
CC
NC
NC
NC
NC
CH15
CH14
CH13
CH12
S
S
C
F
O
S
G
G
C
C
C
C
C
C
C
9
10
11
12
ORDER PART
NUMBER
ORDER PART
NUMBER
LTC2449CUHF
LTC2449IUHF
T
JMAX
= 125
°
C,
θ
JA
= 34
°
C/W
QFN PART MARKING*
2445
*The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for parts specified with wider operating temperature ranges.
QFN PART MARKING*
2449
13 14 15 16
TOP VIEW
UHF PACKAGE
38-LEAD (5mm
×
7mm) PLASTIC QFN
17 18 19
38 37 36 35 34 33 32
24
23
22
21
20
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1
GND
BUSY
EXT
GND
GND
GND
COM
NC
CH0
CH1
NC
NC
GND
REF
REF
+
V
CC
MUXOUTN
ADCINN
ADCINP
MUXOUTP
NC
CH7
CH6
NC
S
S
C
F
O
S
G
G
C
C
N
N
C
C
N
9
10
11
12
13 14 15 16
TOP VIEW
UHF PACKAGE
38-LEAD (5mm
×
7mm) PLASTIC QFN
17 18 19
38 37 36 35 34 33 32
24
23
22
21
20
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1
GND
BUSY
EXT
GND
GND
GND
COM
CH0
CH1
CH2
CH3
CH4
GND
REF
REF
+
V
CC
MUXOUTN
ADCINN
ADCINP
MUXOUTP
CH15
CH14
CH13
CH12
S
S
C
F
O
S
G
G
C
C
C
C
C
C
C
9
10
11
12
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