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2002-2022
Microchip Technology Inc. and its subsidiaries
DS20001714H-page 1
MCP6546/6R/6U/7/8/9
Features
• Low Quiescent Current: 600 nA/Comparator (typical)
• Rail-to-Rail Input: VSS - 0.3V to VDD + 0.3V
• Open-Drain Output: VOUT 10V
•Propagation Delay: 4 µs (typical, 100 mV Overdrive)
• Wide Supply Voltage Range: 1.6V to 5.5V
• Single Available in SOT-23-5, SC-70-5* Packages
• Available in Single, Dual and Quad
• Chip Select (CS) with MCP6548
• Low Switching Current
• Internal Hysteresis: 3.3 mV (typical)
• Temperature Ranges:
- Industrial: -40°C to +85°C
- Extended: -40°C to +125°C
Typical Applications
• Laptop Computers
• Mobile Phones
• Metering Systems
• Handheld Electronics
• RC Timers
• Alarm and Monitoring Circuits
• Windowed Comparators
• Multivibrators
Related Devices
• CMOS/TTL-Compatible Output: MCP6541/2/3/4
Description
The Microchip MCP6546/6R/6U/7/8/9 family of com-
parators, is offered in single (MCP6546, MCP6546R,
MCP6546U), single with Chip Select (CS) (MCP6548),
dual (MCP6547) and quad (MCP6549) configurations.
The outputs are open-drain and are capable of driving
heavy DC or capacitive loads.
These comparators are optimized for low-power,
single-supply application with greater than rail-to-rail
input operation. The output limits supply current surges
and dynamic power consumption while switching. The
open-drain output of the MCP6546/6R/6U/7/8/9 family
can be used as a level-shifter for up to 10V using a pull-
up resistor. It can also be used as a wired-OR logic.
The internal input hysteresis eliminates output switch-
ing due to internal noise voltage, reducing current draw.
These comparators operate with a single-supply
voltage as low as 1.6V and draw a quiescent current of
less than 1 µA/comparator.
The related Microchip MCP6541/2/3/4 family of com-
parators has a push-pull output that supports rail-to-rail
output swing and interfaces with CMOS/TTL logic.
Note that SC-70-5 E-Temp parts are not available at
this release of the data sheet.
The MCP6546U SOT-23-5 is E-Temp only.
Package Types
VIN+
VIN–
MCP6546
VSS
VDD
OUT
1
2
3
4
8
7
6
5
-
+
NC
NC
NC
PDIP, SOIC, MSOP
4
1
2
3
-
+
5
SOT-23-5
VDD
OUT
VIN+
VSS
VIN–
MCP6546R MCP6547
VINA+
VINA–
VSS
1
2
3
4
8
7
6
5
-
OUTA
+-
+
VDD
OUTB
VINB–
VINB+
VIN+
VIN–
MCP6548
VSS
VDD
OUT
1
2
3
4
8
7
6
5
-
+
NC
CSNC
PDIP, SOIC, MSOP
PDIP, SOIC, MSOP
MCP6549
VINA+
VINA–
VSS
1
2
3
4
14
13
12
11
-
OUTA
+-
+
VDD
OUTD
VIND–
VIND+
10
9
8
5
6
7OUTB
VINB–
VINB+ VINC+
VINC–
OUTC
+- -
+
PDIP, SOIC, TSSOP
4
1
2
3
-
+
5
SC-70-5, SOT23-5
VSS
OUT
VIN+
VDD
VIN–
MCP6546
4
1
2
3
5
SC-70-5, SOT-23-5
VSS
VIN+
VIN–
VDD
OUT
MCP6546U
-
+
Open-Drain Output Sub-Microamp Comparators
MCP6546/6R/6U/7/8/9
DS20001714H-page 2 2002-2022
Microchip Technology Inc. and its subsidiaries
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings †
VDD - VSS .........................................................................7.0V
Open-Drain Output.............................................. V
SS + 10.5V
Analog Input (VIN+, VIN-)††............. VSS - 1.0V to VDD + 1.0V
All Other Inputs and Outputs .......... V
SS - 0.3V to VDD + 0.3V
Difference Input Voltage ....................................... |V
DD - VSS|
Output Short-Circuit Current ................................Continuous
Current at Input Pins ....................................................±2 mA
Current at Output and Supply Pins ............................±30 mA
Storage Temperature (TS).............................-65°C to +150°C
Maximum Junction Temperature (T
J)..........................+150°C
ESD Protection on all Pins:
(HBM;MM) .....................................2 kV;200V (MCP6546U)
(HBM;MM) ................................ 4 kV; 200V (all other parts)
† Notice: Stresses above those listed under “Absolute Maxi-
mum Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of the
device at those or any other conditions above those indicated
in the operational listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
†† See Section 4.1.2 “Input Voltage and Current Limits”.
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, V
DD = +1.6V to +5.5V, VSS = GND, TA = 25°C, VIN+ = VDD/2,
VIN– = VSS, RPU = 2.74 k to VPU = VDD (Refer to ).Figure 1-3
Parameters Sym Min Typ Max Units Conditions
Power Supply
Supply Voltage VDD 1.6 — 5.5 V VPU V DD
Quiescent Current per
Comparator
IQ0.3 0.6 1 µA IOUT = 0
Input
Input Voltage Range VCMR VSS0.3 — VDD+0.3 V
Common-mode Rejection Ratio CMRR 55 70 — dB VDD = 5V, VCM = -0.3V to 5.3V
Common-mode Rejection Ratio CMRR 50 65 — dB VDD = 5V, VCM = 2.5V to 5.3V
Common-mode Rejection Ratio CMRR 55 70 — dB VDD = 5V, VCM = -0.3V to 2.5V
Power Supply Rejection Ratio PSRR 63 80 — dB VCM = V
SS
Input Offset Voltage VOS -7.0 ±1.5 +7.0 mV VCM = V
SS ( )Note 1
Drift with Temperature VOS/ TA— ±3 — µV/°C TA = -40°C to +125°C, VCM = VSS
Input Hysteresis Voltage VHYST 1.5 3.3 6.5 mV VCM = V
SS ( )Note 1
Linear Temp. Co. TC1— 6.7 — µV/°C TA = -40°C to +125°C, VCM = VSS
( )Note 2
Quadratic Temp. Co. TC2— -0.035 — µV/°C2TA = -40°C to +125°C, VCM = VSS
( )Note 2
Input Bias Current IB— 1 — pA VCM = VSS
At Temperature (I-Temp parts) IB— 25 100 pA TA
= +85°C, VCM = VSS ( )Note 3
At Temperature (E-Temp parts) IB— 1200 5000 pA TA
= +125°C, VCM = VSS
( )Note 3
Input Offset Current IOS — ±1 — pA VCM = VSS
Note 1: The input offset voltage is the center of the input-referred trip points. The input hysteresis is the difference
between the input-referred trip points.
2: VHYST at differential temperatures is estimated using:
VHYST (TA) = VHYST + (TA -25°C) TC1 + (TA - 25°C)2TC2.
3: Input bias current at temperature is not tested for the SC-70-5 package.
4: Do not short the output above V
SS
+ 10V. Limit the output current to Absolute Maximum Rating of 30 mA.
The minimum V
PU test limit was VDD before Dec. 2004 (week code 52).
2002-2022
Microchip Technology Inc. and its subsidiaries
DS20001714H-page 3
MCP6546/6R/6U/7/8/9
Common-mode Input Impedance ZCM — 1013||4 — ||pF
Differential Input Impedance ZDIFF — 1013||2 — ||pF
Open-Drain Output
Output Pull-Up Voltage V
PU 1.6 — 10 V ( )Note 4
High-Level Output Current IOH -100 — — nA VDD = 1.6V to 5.5V, VPU = 10V
( )Note 4
Low-Level Output Voltage VOL VSS — VSS+0.2 V IOUT = 2 mA, VPU = VDD = 5V
Short-Circuit Current ISC — ±1.5 — mA VPU = VDD = 1.6V ( )Note 4
I
SC – 30 — mA VPU = VDD = 5.5V ( )Note 4
Output Pin Capacitance C
OUT — 8 — pF
AC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, V
DD = +1.6V to +5.5V, VSS = GND, TA = 25°C, VIN+ = VDD/2,
Step = 200 mV, Overdrive = 100 mV, R
PU = 2.74 k to VPU = VDD, and CL = 36 pF
(Refer to and ).Figure 1-2 Figure 1-3
Parameters Sym Min Typ Max Units Conditions
Fall Time tF— 0.7 — µs ( )Note 1
Propagation Delay (High-to-Low) tPHL — 4.0 8.0 µs
Propagation Delay (Low-to-High) tPLH — 3.0 8.0 µs ( )Note 1
Propagation Delay Skew tPDS — -1.0 — µs and( Note 1 )Note 2
Maximum Toggle Frequency fMAX — 225 — kHz VDD = 1.6V
fMAX — 165 — kHz VDD = 5.5V
Input Noise Voltage Eni — 200 — µVP-P 10 Hz to 100 kHz
Note 1: tR and tPLH depend on the load (R
L and CL); these specifications are valid for the indicated load only.
2: Propagation Delay Skew is defined as: tPDS = tPLH - tPHL.
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise indicated, V
DD = +1.6V to +5.5V, VSS = GND, TA = 25°C, VIN+ = VDD/2,
VIN– = VSS, RPU = 2.74 k to VPU = VDD (Refer to ).Figure 1-3
Parameters Sym Min Typ Max Units Conditions
Note 1: The input offset voltage is the center of the input-referred trip points. The input hysteresis is the difference
between the input-referred trip points.
2: VHYST at differential temperatures is estimated using:
VHYST (TA) = VHYST + (TA -25°C) TC1 + (TA - 25°C)2TC2.
3: Input bias current at temperature is not tested for the SC-70-5 package.
4: Do not short the output above V
SS + 10V. Limit the output current to Absolute Maximum Rating of 30 mA.
The minimum VPU test limit was VDD before Dec. 2004 (week code 52).
Produktspecifikationer
| Varumärke: | Microchip |
| Kategori: | Inte kategoriserad |
| Modell: | MCP6547 |
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