Document
TS881
Rail-to-rail 1.1 V nanopower comparator
Datasheet −production data
Features
■ ■ ■ ■ ■ ■ ■ ■
Ultra low current consumption: 210 nA typ. Propagation delay: 2 µs typ. Rail-to-rail inputs Push-pull output Supply operation from 1.1 V to 5.5 V Wide temperature range: -40 to +125 °C ESD tolerance: 4 kV HBM / 300 V MM SMD package SC70-5 (top view)
Applications
Figure 1.
■ ■ ■
Pin connections (top view)
Portable systems Signal conditioning Medical
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Description
The TS881 device is a single comparator featuring ultra low supply current (210 nA typical with output high, VCC = 1.2 V, no load) with rail-torail input and output capability. The performance of this comparator allows it to be used in a wide range of portable applications. The TS881 device minimizes battery supply leakage and therefore enhances battery lifetime. Operating from 1.1 to 5.5 V supply voltage, this comparator can be used over a wide temperature range (-40 to +125 °C) keeping the current consumption at an ultra low level. The TS881 device is available in the SC70-5 package, allowing great space saving on the PCB.
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July 2012
This is information on a product in full production.
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Contents
TS881
Contents
1 2 3 4 5 Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
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TS881
Absolute maximum ratings and operating conditions
1
Absolute maximum ratings and operating conditions
Table 1.
Symbol VCC VID VIN RTHJA TSTG TJ TLEAD
Absolute maximum ratings
Parameter Supply voltage(1) Differential input voltage Input voltage range Thermal resistance junction-toambient(3) SC70-5 Storage temperature Junction temperature Lead temperature (soldering 10 seconds) Human body model (HBM)(4)
(2)
Value 6 ±6 (VCC-) - 0.3 to (VCC+) + 0.3
Unit V V V °C/W °C °C °C kV V
205 -65 to +150 150 260 4 300 1300 200
ESD
Machine model
(MM)(5) (CDM)(6)
Charged device model Latch-up immunity
mA
1. All voltage values, except differential voltages, are referenced to VCC-. VCC is defined as the difference between VCC+ and VCC -. 2. The magnitude of input and output voltages must never exceed the supply rail ±0.3 V. 3. Short-circuits can cause excessive heating. These values are typical. 4. According to JEDEC standard JESD22-A114F. 5. According to JEDEC standard JESD22-A115A. 6. According to ANSI/ESD STM5.3.1.
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Table 2.
Symbol Toper VCC
Operating conditions
Parameter Operating temperature range Supply voltage -40 °C < Tamb < +125 °C Common mode input voltage range -40 °C < Tamb < +85 °C -40 °C < Tamb < +125 °C Value -40 to +125 1.1 to 5.5 VCC- - 0.2 to VCC+ + 0.2 VCC- to VCC+ + 0.2 Unit °C V
VICM
V
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Electrical characteristics
TS881
2
Table 3.
Symbol VIO ΔVIO VHYST IIO IIB
Electrical characteristics
VCC = +1.2 V, Tamb = +25 °C, VICM = VCC/2 (unless otherwise specified)(1)
Parameter Input offset voltage(2) Input offset voltage drift Input hysteresis voltage Input offset current(4) Input bias current(4)
(3)
Test conditions -40 °C < Tamb < +125 °C -40 °C < Tamb < +125 °C -40 °C < Tamb < +125 °C -40 °C < Tamb < +125 °C
Min. -6
Typ. 1 3
Max. 6
Unit mV µV/°C
1.6
2.4
4.2 10 100
mV pA pA
1 -40 °C < Tamb < +125 °C No load, output low, VID = -0.1 V -40 °C < Tamb < +85 °C -40 °C < Tamb < +125 °C 300
10 100 450 500 1050
ICC
Supply current per operator No load, output high, VID = +0.1 V -40 °C < Tamb < +85 °C -40 °C < Tamb < +125 °C 210 350 400 950
nA
ISC
Short-circuit current
Source Sink Isource = 0.2 mA -40 °C < Tamb < +85 °C -40 °C < Tamb < +125 °C Isink = 0.2 mA -40 °C < Tamb < +85 °C -40 °C < Tamb < +125 °C
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1.4 1.0 1.13 1.10 1.00 1.15
mA
VOH
Output voltage high
V 40 50 60 70
VOL
Output voltage low
mV
CMRR Common mode rejection ratio
0 < VICM < VCC -40 °C < Tamb < +125 °C f = 1 kHz, CL = 30 pF, R L = 1 MΩ Overdrive = 10 mV -40 °C < Tamb < +125 °C Overdrive = 100 mV -40 °C < Tamb < +125 °C f = 1 kHz, CL = 30 pF, R L = 1 MΩ Overdrive = 10 mV -40 °C < Tamb < +125 °C Overdrive = 100 mV -40 °C < Tamb < +125 °C
68 50 6 11 13 3.1 3.4 8 10 2.6 3.1
dB
TPLH
Propagation delay (low to high)
µs
2.2
5.1
TPHL
Propagation delay (high to low)
µs
2.0 100
TR
Rise time (10% to 90%)
C L = 30 pF, RL = 1 MΩ
ns
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