LTC2978
ABSOLUTE MAXIMUM RATINGS
Supply Voltages:
V
PWR
to GND ......................................... –0.3V to 15V
V
IN_SNS
to GND...................................... –0.3V to 15V
V
DD33
to GND ....................................... –0.3V to 3.6V
V
DD25
to GND ..................................... –0.3V to 2.75V
Digital Input/Output Voltages:
ALERTB, SDA, SCL, CONTROL0,
CONTROL1............................................ –0.3V to 5.5V
PWRGD, SHARE_CLK,
WDI/RESETB, WP ....................–0.3V to V
DD33
+ 0.3V
FAULTB00, FAULTB01, FAULTB10,
FAULTB11 ................................–0.3V to V
DD33
+ 0.3V
ASEL0, ASEL1 ..........................–0.3V to V
DD33
+ 0.3V
Analog Voltages:
REFP ................................................... –0.3V to 1.35V
REFM to GND........................................ –0.3V to 0.3V
V
SENSEP[7:0]
to GND ................................. –0.3V to 6V
V
SENSEM[7:0]
to GND ................................ –0.3V to 6V
V
OUT_EN[3:0]
, V
IN_EN
to GND .................. –0.3V to 15V
V
OUT_EN[7:4]
to GND ................................. –0.3V to 6V
V
DACP[7:0]
to GND .................................... –0.3V to 6V
V
DACM[7:0]
to GND ................................ –0.3V to 0.3V
Operating Junction Temperature Range:
LTC2978C ................................................ 0°C to 70°C
LTC2978I .............................................–40°C to 85°C
Storage Temperature Range .................. –65°C to 125°C
(Notes 1, 2)
PIN CONFIGURATION
64 V
SENSEP6
63 V
SENSEM5
62 V
SENSEP5
61 V
DACM7
60 V
DACP7
59 V
DACP6
58 V
DACM6
57 V
DACM5
56 V
DACP5
55 V
DACP4
54 V
DACM4
53 V
SENSEM4
52 V
SENSEP4
51 V
DACM3
50 V
DACP3
49 V
SENSEM3
V
SENSEM6
1
V
SENSEP7
2
V
SENSEM7
3
V
OUT_EN0
4
V
OUT_EN1
5
V
OUT_EN2
6
V
OUT_EN3
7
V
OUT_EN4
8
V
OUT_EN5
9
V
OUT_EN6
10
V
OUT_EN7
11
V
IN_EN
12
DNC 13
V
IN_SNS
14
V
PWR
15
V
DD33
16
65
48 V
SENSEP3
47 V
SENSEM2
46 V
SENSEP2
45 V
DACM2
44 V
DACP2
43 V
SENSEM1
42 V
SENSEP1
41 V
DACM1
40 V
DACP1
39 V
DACP0
38 V
DACM0
37 V
SENSEM0
36 V
SENSEP0
35 REFM
34 REFP
33 ASEL1
T
JMAX
= 125°C,
θ
JC-TOP
= 7°C/W,
θ
JC-BOTTOM
= 1°C/W
EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
ORDER INFORMATION
LEAD FREE FINISH
LTC2978CUP#PBF
LTC2978IUP#PBF
TAPE AND REEL
LTC2978CUP#TRPBF
LTC2978IUP#TRPBF
PART MARKING*
LTC2978UP
LTC2978UP
PACKAGE DESCRIPTION
64-Lead (9mm
×
9mm) Plastic QFN
64-Lead (9mm
×
9mm) Plastic QFN
TEMPERATURE RANGE JUNCTION
0°C to 70°C
–40°C to 85°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 non-standard 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/
V
DD33
17
V
DD25
18
WP 19
PWRGD 20
SHARE_CLK 21
WDI/RESETB 22
FAULTB00 23
FAULTB01 24
FAULTB10 25
FAULTB11 26
SDA 27
SCL 28
ALERTB 29
CONTROL0 30
CONTROL1 31
ASEL0 32
UP PACKAGE
64-LEAD (9mm
×
9mm) PLASTIC QFN
2978fc
4
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
