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  Microchip Technology Semiconductor Electronic Components Datasheet  

TC1043 Datasheet

Low Power Voltage Reference

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TC1043 pdf
TC1043
Linear Building Block Low Power Voltage Reference with
Dual Op Amp, Dual Comparator, and Shutdown Mode
Features
• Combines Two Op Amps, Two Comparators and
a Voltage Reference in a Single Package
• Optimized for Single-Supply Operation
• Small Package: 16-Pin QSOP
• Ultra Low Input Bias Current: Less than 100pA
• Low Quiescent Current: Operating 16µA (Typ.)
Shutdown 6µA (Typ.)
• Rail-to-Rail Inputs and Outputs
• Operates Down to VDD = 1.8V
• Reference and One Comparator Remain Active in
Shutdown to Provide Supervisory Functions
Applications
• Power Management Circuits
• Battery Operated Equipment
• Consumer Products
• Replacements for Discrete Components
Device Selection Table
Part Number
TC1043CEQR
Package
16-Pin QSOP
Temperature
Range
-40°C to +85°C
Package Type
16-Pin QSOP
A1IN+ 1
A1IN– 2
A2IN+ 3
A2IN– 4
C1OUT 5
C2OUT 6
SHDN 7
VSS 8
16 VDD
15 A1OUT
14 A2OUT
13 C1IN+
12 C1IN–
11 C2IN+
10 C2IN–
9 VREF
General Description
The TC1043 is a mixed-function device combining two
general purpose op amps, two general purpose com-
parators, and a voltage reference in a single 16-Pin
package.
This increased integration allows the user to replace
two or three packages, saving space, lowering supply
current, and increasing system performance. A shut-
down input, SHDN, disables the op amps and one of
the comparators, placing their outputs in a high-imped-
ance state. The reference and one comparator stay
active in shutdown mode. Standby power consumption
is typically 6µA. Both the op amps and comparators
have rail-to-rail inputs and outputs which allows opera-
tion from low supply voltages with large input and out-
put signal swings.
Packaged in a 16-Pin QSOP, the TC1043 is ideal for
applications requiring high integration, small size and
low power.
© 2002 Microchip Technology Inc.
DS21347B-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

TC1043 Datasheet

Low Power Voltage Reference

No Preview Available !

TC1043 pdf
TC1043
1.0 ELECTRICAL
CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage ......................................................6.0V
Voltage on Any Pin ........... (VSS – 0.3V) to (VDD +0.3V)
Junction Temperature....................................... +150°C
Operating Temperature Range............. -40°C to +85°C
Storage Temperature Range .............. -55°C to +150°C
*Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.
These are stress ratings only and functional operation of the
device at these or any other conditions above those indi-
cated in the operation sections of the specifications is not
implied. Exposure to Absolute Maximum Rating conditions
for extended periods my affect device reliability.
TC1043 ELECTRICAL SPECIFICATIONS
Electrical Characteristics: Typical values apply at 25°C and VDD = 3V. Minimum and maximum values apply for TA = -40° to
+ 85°C, and VDD = 1.8V to 5.5V, unless otherwise specified.
Symbol
Parameter
Min. Typ Max Units
Test Conditions
VDD Supply Voltage
IQ Supply Current Operating
ISHDN
Supply Current, Shutdown
Shutdown Input
VIH
VIL
ISI
Op Amps
Input High Threshold
Input Low Threshold
Shutdown Input Current
TSEL
Select Time
TDESEL
ROUT(SD)
COUT(SD)
AVOL
VICMR
VOS
IB
VOS(DRIFT)
GBWP
Deselect Time
Output Resistance in Shutdown
Output Capacitance in Shutdown
Large Signal Voltage Gain
Common Mode Input Voltage Range
Input Offset Voltage
Input Bias Current
Input Offset Voltage Drift
Gain-Bandwidth Product
1.8
80% VDD
20
VSS - 0.2
-100
SR
VOUT
CMRR
PSRR
ISRC
ISINK
En
en
Slew Rate
Output Signal Swing
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Output Source Current
Output Sink Current
Input Noise Voltage
Input Noise Voltage Density
VSS + 0.05
70
80
3
4
16
6
15
100
100
±100
±0.3
50
±4
90
35
10
125
5.5 V
30 µA All outputs unloaded,
SHDN = VDD
10 µA CMPTR2 and VREF Outputs
unloaded, SHDN = VSS
20% VDD
±100
V
V
nA
6
VDD + 0.2
±500
±1.5
100
VSS - 0.05
µsec
nsec
M
pF
V/mV
V
(VOUT from SHDN = VIH)
RL = 10kto VSS
(VOUT from SHDN = VIL)
RL = 10kto VSS
SHDN = VSS
SHDN = VSS
RL = 10k, VDD = 5V
µV
mV
pA
µV/°C
kHz
mV/
µsec
V
dB
dB
mA
mA
µVPP
nV/Hz
VDD = 3V, VCM = 1.5V, TA =
25°C, TA = -40°C to 85°C
TA = 25°C, VCM = VDD to VSS
VDD = 3V, VCM = 1.5V
VDD = 1.8V to 5.5V
VO = VDD to VSS
CL = 100pF
RL = 1Mto GND
Gain = 1
VIN = VSS to VDD
RL = 10k
TA = 25°C, VDD = 5V
VCM = VDD to VSS
TA = 25°C, VCM = VSS
VDD = VDD to VSS
IN+ = VDD, IN- = VSS
Output Shorted to VSS
VDD = 1.8V, Gain = 1
IN+ = VSS, IN- = VDD
Output Shorted to VDD
VDD = 1.8V, Gain = 1
0.1Hz to 10Hz
1kHz
DS21347B-page 2
© 2002 Microchip Technology Inc.


Part Number TC1043
Description Low Power Voltage Reference
Maker Microchip Technology
Total Page 20 Pages
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