LTC2992C ................................................ 0°C to 70°C
LTC2992I .............................................–40°C to 85°C
LTC2992H .......................................... –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10sec)
MS Package Only .............................................. 300°C
PIN CONFIGURATION
LTC2992
TOP VIEW
SENSE1
–
SENSE1
+
GPIO1
GPIO3
ADR1
ADR0
INTV
CC
V
DD
1
2
3
4
5
6
7
8
17
16 SENSE2
–
15 SENSE2
+
14 GPIO2
13 GPIO4
12 GND
11 SDAO
10 SDAI
9 SCL
TOP VIEW
SENSE1
GPIO1
GPIO3
ADR1
ADR0
INTV
CC
V
DD
SENSE1
–
1
+
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SENSE2
–
SENSE2
+
GPIO2
GPIO4
GND
SDAO
SDAI
SCL
LTC2992
DE PACKAGE
16-LEAD (4mm × 3mm) PLASTIC DFN
T
JMAX
= 150°C,
θ
JA
= 43°C/W,
θ
JC
= 5.5°C/W
EXPOSED PAD (PIN 17) PCB GND CONNECTION IS OPTIONAL
MS PACKAGE
16-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 120°C/W,
θ
JC
= 21°C/W
LTC2992-1
TOP VIEW
SENSE1
–
SENSE1
+
GPIO1
GPIO3
ADR1
ADR0
INTV
CC
V
DD
1
2
3
4
5
6
7
8
17
16 SENSE2
–
15 SENSE2
+
14 GPIO2
13 GPIO4
12 GND
11
SDAO
10 SDAI
9 SCL
LTC2992-1
TOP VIEW
SENSE1
–
1
SENSE1
+
2
GPIO1
GPIO3
ADR1
ADR0
INTV
CC
V
DD
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SENSE2
–
SENSE2
+
GPIO2
GPIO4
GND
SDAO
SDAI
SCL
DE PACKAGE
16-LEAD (4mm × 3mm) PLASTIC DFN
T
JMAX
= 150°C,
θ
JA
= 43°C/W,
θ
JC
= 5.5°C/W
EXPOSED PAD (PIN 17) PCB GND CONNECTION IS OPTIONAL
MS PACKAGE
16-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 120°C/W,
θ
JC
= 21°C/W
Rev A
2
For more information
www.analog.com
LTC2992
ORDER INFORMATION
TUBE
LTC2992CDE#PBF
LTC2992IDE#PBF
LTC2992HDE#PBF
LTC2992CDE-1#PBF
LTC2992IDE-1#PBF
LTC2992HDE-1#PBF
LTC2992CMS#PBF
LTC2992IMS#PBF
LTC2992HMS#PBF
LTC2992CMS-1#PBF
LTC2992IMS-1#PBF
LTC2992HMS-1#PBF
TAPE AND REEL
LTC2992CDE#TRPBF
LTC2992IDE#TRPBF
LTC2992HDE#TRPBF
LTC2992CDE-1#TRPBF
LTC2992IDE-1#TRPBF
LTC2992HDE-1#TRPBF
LTC2992CMS#TRPBF
LTC2992IMS#TRPBF
LTC2992HMS#TRPBF
LTC2992CMS-1#TRPBF
LTC2992IMS-1#TRPBF
LTC2992HMS-1#TRPBF
http://www.linear.com/product/LTC2992#orderinfo
PART MARKING*
2992
2992
2992
29921
29921
29921
2992
2992
2992
29921
29921
29921
PACKAGE DESCRIPTION
16-Lead (4mm × 3mm) Plastic DFN
16-Lead (4mm × 3mm) Plastic DFN
16-Lead (4mm × 3mm) Plastic DFN
16-Lead (4mm × 3mm) Plastic DFN
16-Lead (4mm × 3mm) Plastic DFN
16-Lead (4mm × 3mm) Plastic DFN
16-Lead Plastic MSOP
16-Lead Plastic MSOP
16-Lead Plastic MSOP
16-Lead Plastic MSOP
16-Lead Plastic MSOP
16-Lead Plastic MSOP
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
Consult ADI Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/.
Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
The
l
denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at T
A
= 25°C. V
DD
is from 3V to 100V unless otherwise noted. (Note 2)
SYMBOL
Supplies
V
DD
V
CC
I
DD
I
CC
V
CC(LDO)
∆V
CC(LDO)
V
CCZ
∆V
CCZ
V
CC(UVL)
V
DD(UVL)
V
CCI2C(RST)
V
DDI2C(RST)
SENSE Inputs
I
SENSE+(HI)
I
SENSE−(HI)
48V SENSE
+
Input Current
48V SENSE
−
Input Current
SENSE
+
, SENSE
−
, V
DD
= 48V
Shutdown
SENSE
+
, SENSE
−
, V
DD
= 48V
Shutdown
l
l
l
l
ELECTRICAL CHARACTERISTICS
PARAMETER
V
DD
Input Supply Voltage
INTV
CC
Input Supply Voltage
V
DD
Supply Current
INTV
CC
Supply Current
INTV
CC
Linear Regulator Voltage
INTV
CC
Linear Regulator Load Regulation
Shunt Regulator Voltage at INTV
CC
Shunt Regulator Load Regulation
INTV
CC
Supply Undervoltage Lockout
V
DD
Supply Undervoltage Lockout
INTV
CC
I
2
C Logic Reset
V
DD
I
2
C Logic Reset
CONDITIONS
l
l
MIN
3
2.7
TYP
MAX
100
5.8
UNITS
V
V
mA
µA
mA
µA
V
mV
V
mV
V
V
V
V
V
DD
= 48V, INTV
CC
Open
Shutdown
INTV
CC
= V
DD
= 5V
Shutdown
8V < V
DD
< 100V
I
LOAD
= 0mA
8V < V
DD
< 100V
I
LOAD
= 0mA to 10mA
V
DD
= 48V, I
CC
= 1.5mA
V
DD
= 48V, I
CC
= 1.5mA to 35mA
INTV
CC
Rising, V
DD
= INTV
CC
V
DD
Rising, INTV
CC
Open
INTV
CC
Falling, V
DD
= INTV
CC
V
DD
Falling, INTV
CC
Open
l
l
l
l
l
l
l
l
l
l
l
l
1.2
25
1.0
25
4.6
5
100
5.8
2.2
2.4
1.7
1.7
6.2
2.5
2.7
2.1
2.1
120
1.6
50
1.4
50
5.4
250
6.7
250
2.69
3
170
2
20
1
µA
µA
µA
µA
Rev A
For more information
www.analog.com
3
LTC2992
The
l
denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at T
A
= 25°C. V
DD
is from 3V to 100V unless otherwise noted. (Note 2)
SYMBOL
I
SENSE+(LO)
I
SENSE−(LO)
ADC
RES
V
FS
LSB
Resolution (No Missing Codes)
(Note 5)
Full-Scale Voltage
NADC[7] = 1
NADC[7] = 0
∆SENSE (Note 6)
SENSE
+
GPIO
∆SENSE
SENSE
+
GPIO
∆SENSE
SENSE
+
GPIO
∆SENSE
SENSE
+
GPIO
∆SENSE
SENSE
+
GPIO
∆SENSE, SENSE
+
, GPIO
∆SENSE (C-, I-Grade)
∆SENSE (H-Grade)
SENSE
+
GPIO
∆SENSE, SENSE
+
, GPIO
∆SENSE
SENSE
+
, GPIO
∆SENSE
SENSE
+
GPIO
∆SENSE
SENSE
+
, GPIO
∆SENSE
SENSE
+
, GPIO
V
GPIO
Rising
I
GPIO
= 8mA
V
DD
= 48V, GPIO = 3V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
ELECTRICAL CHARACTERISTICS
PARAMETER
0V SENSE
+
Source Current
0V SENSE
−
Source Current
CONDITIONS
SENSE
+
, SENSE
−
= 0V, V
DD
= 48V
Shutdown
SENSE
+
, SENSE
−
= 0V, V
DD
= 48V
Shutdown
l
l
l
l
MIN
TYP
MAX
–10
–1
–5
–1
UNITS
µA
µA
µA
µA
Bits
Bits
8
12
50.9
102
2.042
51.2
102.4
2.048
200
400
8
12.5
25
0.5
±0.8
±0.8
±0.8
±0.6
±0.4
±0.3
±1
±2.1
±3.1
±1.5
±1.1
±1
±3.5
±2
0.5
0.3
5
3.9
0.97
62.4
15.6
1.13
4.1
1.02
65.6
16.4
1.23
0.15
0
1.8
0.3
2.4
0.6
4.3
1.08
68.8
17.2
1.33
0.4
±1
2.7
0.9
±13
±7
51.5
102.8
2.054
mV
V
V
µV
mV
mV
µV
mV
mV
%
%
%
%
%
%
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
µV
RMS
mV
RMS
µV
RMS
ms
ms
ms
ms
V
V
A
V
V
A
A
Rev A
LSB Step Size
8-Bit Mode
LSB Step Size
12-Bit Mode
TUE
Total Unadjusted Error (Note 7)
8-Bit Mode
Total Unadjusted Error
12-Bit Mode
V
OS
Offset Error
8-Bit Mode
Offset Error
12-Bit Mode
INL
Integral Nonlinearity
8-Bit Mode
Integral Nonlinearity
12-Bit Mode
σ
T
t
CONV
Transition Noise
Conversion Time (Snapshot Mode)
8-Bit Mode
Conversion Time (Snapshot Mode)
12-Bit Mode
GPIO
V
GPIO(TH)
V
GPIO(OL)
I
GPIO
V
ADR(H)
V
ADR(L)
I
ADR(IN)
I
ADR(IN,Z)
GPIO Pin Input Threshold
GPIO Pin Output Low Voltage
GPIO Pin Input Current
ADR0, ADR1 Input High Threshold
ADR0, ADR1 Input Low Threshold
ADR0, ADR1 Input Current
Allowable Leakage When Open
ADR0, ADR1 = 0V, 3V
l
l
l
I
2
C Interface (V
DD
= 48V)
l
l
l
l
4
For more information
www.analog.com
LTC2992
The
l
denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at T
A
= 25°C. V
DD
is from 3V to 100V unless otherwise noted. (Note 2)
SYMBOL
V
OD(OL)
I
SDA,SCL(IN)
V
SDA,SCL(TH)
V
SDA,SCL(CL)
f
SCL(MAX)
t
LOW
t
HIGH
t
BUF(MIN)
t
HD, STA(MIN)
t
SU, STA(MIN)
t
SU, STO(MIN)
t
HD, DATI(MIN)
t
HD, DATO(MIN)
t
SU, DAT(MIN)
t
SP(MAX)
t
RST
C
X
PARAMETER
SDAO,
SDAO,
Output Low Voltage
SDAI, SDAO,
SDAO,
SCL Leakage Current
SDAI, SCL Input Threshold
SDAI, SCL Clamp Voltage
Maximum SCL Clock Frequency
SCL Low Period
SCL High Period
Bus Free Time Between STOP/START
Condition
Hold Time after (Repeated) START Condition
Repeated START Condition Setup Time
STOP Condition Setup Time
Data Hold Time Input
Data Hold Time Output
Data Setup Time
Maximum Suppressed Spike Pulse Width
Stuck Bus Reset Time
SCL, SDAI Input Capacitance (Note 5)
SCL or SDAI Held Low
I
SDAI
, I
SCL
= 0.5mA, 5mA
CONDITIONS
I
SDAO
, I
SDAO
= 8mA
SDAI, SDAO,
SDAO,
SCL = 5V
l
l
l
l
ELECTRICAL CHARACTERISTICS
MIN
TYP
0.15
0
MAX
0.4
±1
2.1
6.9
UNITS
V
A
V
V
kHz
1.5
5.9
400
1.8
I
2
C Interface Timing
l
l
l
l
l
l
l
l
l
l
l
l
0.65
50
0.12
140
30
30
−100
300
50
25
600
30
110
33
5
1.3
600
1.3
600
600
600
0
900
100
250
10
s
ns
s
ns
ns
ns
ns
ns
ns
ns
ms
pF
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
All currents into pins are positive. All voltages are referenced to
ground, unless otherwise noted.
Note 3:
An internal shunt regulator limits the INTV
CC
pin to a minimum of
5.8V. Driving this pin to voltages beyond 5.8V may damage the part. This
pin can be safely tied to higher voltages through a resistor that limits the
current below 35mA.
Note 4:
Internal clamps limit the SCL and SDAI pins to a minimum of
5.9V. Driving these pins to voltages beyond the clamp may damage the
part. The pins can be safely tied to higher voltages through resistors that
limit the current below 5mA.
Note 5:
Guaranteed by design and not subjected to test.
Note 6:
∆SENSE is defined as V
SENSE+
– V
SENSE–
Note 7:
TUE is the maximum ADC error for any code expressed as a
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