LTC1852 LINER [Linear Technology], LTC1852 Datasheet - Page 23

• Manufacturer Part Number: LTC1852
• Description: 8-Channel, 10-Bit/12-Bit, 400ksps, Low Power, Sampling ADCs
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
PACKAGE DESCRIPTION
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
**
*
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED .152mm (.006") PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED .254mm (.010") PER SIDE
MILLIMETERS
CHANNELS: ±1.024V
(INCHES)
CONFIGURATION:
4 DIFFERENTIAL
0.1μF
INPUT
4.096V
2.5V
LTC1853 Hardwired for 4-Channel Differential Scan with Bipolar ±1.024V Operation
10μF
1μF
+
–
+
–
+
–
+
–
(.0035 – .008)
0.09 – 0.20
10
11
12
0.32 ±0.05
1
2
3
4
5
6
7
8
9
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However,
no responsibility is assumed for its use. Linear Technology Corporation makes no representation that
the interconnection of its circuits as described herein will not infringe on existing patent rights.
RECOMMENDED SOLDER PAD LAYOUT
REFOUT
REFIN
8.4 ±0.10
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
REFCOMP
GND
48
1
13
MULTIPLEXER
REF AMP
8-CHANNEL
REFERENCE
(.236 – .244)
6.0 – 6.2**
V
2.5V
DD
(.018 – .029)
0.45 – 0.75
14
1.6384X
GND
16
(Reference LTC DWG # 05-08-1651 Rev A)
25
V
24
5V
DD
6.2 ±0.10
48-Lead Plastic TSSOP (6.1mm)
0.95 ±0.10
15
0.50 BSC
0.25
+
–
REF
0° – 8°
SAMPLING
10μF
LTC1853
12-BIT
ADC
FW Package
-C-
0.1μF
INTERNAL
CLOCK
(.0197)
48
1
0.50
BSC
47
2
46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
LATCHES
DATA
PROGRAMMABLE
CONTROL LOGIC
SEQUENCER
AND
12.40 – 12.60*
(.0067 – .0106)
(.488 – .496)
DRIVERS
OUTPUT
0.17 – 0.27
LTC1852/LTC1853
TYP
DIFF
A2
A1
A0
CONVST
UNI/BIP
D11/S2
D10/S1
OUT
OUT
OUT
OUT
D9/S0
OGND 34
SHDN
18523 TA02
OV
BUSY
DIFF
PGA
WR
/S6
/S5
/S4
/S3
M1
M0
RD
CS
D8
D7
D6
D5
D4
D3
D2
D1
D0
A2
A1
A0
DD
48
36
47
46
45
44
43
42
41
40
39
38
37
35
33
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
CONVERT
CLOCK
10μF
5V
5V
5V
5V
3V TO 5V
(.002 – .006)
0.05 – 0.15
(.0433)
0.1μF
MAX
1.10
(.311 – .327)
7.9 – 8.3
FW48 TSSOP REV A 1005
0.10
-T-
23
C
18523fa