SGS Thomson Microelectronics TS821IZ, TS821ILT, TS821ID, TS821BIZ, TS821BILT Datasheet
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TS821 |
1.225V MICROPOWER VOLTAGE REFERENCE
.
.1.225V TYP OUTPUT VOLTAGE
ULTRA LOW OPERATING CURRENT : 40μA
.typ.
HIGH PRECISION @ 25oC +/-2% (Standard version) +/-1% (A grade)
.+/-0.5% (B grade)
HIGH STABILITY WHEN USED WITH
.CAPACITIVE LOADS
.WIDE TEMPERATURE RANGE : -40 to +85oC T092 & SOT23-3 PACKAGES
DESCRIPTION
The TS821 is a micropowerintegrated circuit which is a high stability, two terminals, band gap reference providing a stable output voltage over the industrial temperature range (-40 to +85oC). The minimum operating current is guaranteed at 50μA over the full operating temperature range.
.APPLICATIONS
.Computers
.Instrumentation
.Battery chargers
.Switch Mode Power Supply
Battery operated equipements
PIN CONNECTIONS (top view)
TO92
Z
TO92
(Plastic Package)
L
SOT-23L
(Plastic Micropackage)
ORDER CODES
Precision |
TO92 |
SOT23-3 |
SOT23 |
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Marking |
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2% |
TS821IZ |
TS821ILT |
L213 |
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1% |
TS821AIZ |
TS821AILT |
L212 |
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0.5% |
TS821BIZ |
TS821BILT |
L211 |
Single temperature range : -40 to +85oC
S OT23-3
1
Ca th ode
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3 |
* |
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Anode |
2 |
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1 |
2 |
3 |
* This pin mu st be le ft floa ting |
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NC |
Ca th o d e Ano d e |
or conn e cte d to pin 2 |
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May 2000 |
1/7 |
TS821
ABSOLUTE MAXIMUM RATINGS
Symbol |
Parameter |
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Value |
Unit |
Ik |
Reverse Breakdown Current |
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20 |
mA |
If |
Forward Current |
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10 |
mA |
Pd |
Power Dissipation |
SOT23-3 |
360 |
mW |
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TO92 |
625 |
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Toper |
Operating Free Air Temperature Range |
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-40 to +85 |
oC |
Tstg |
Storage Temperature |
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-65 to +150 |
oC |
Note : Pd has been calculated with Tamb = 25oC and Tj = 125oC and
Rthja = 200oC/W for TO92 package
Rthja = 340oC/W for SOT23 package
OPERATING CONDITIONS
Symbol |
Parameter |
Value |
Unit |
Irmin |
Minimum Operating Current |
45 |
μA |
Irmax |
Maximum Operating Current |
12 |
mA |
ELECTRICAL CHARACTERISTICS
TS821 (2% Precision)
Tamb = 25oC (unless otherwise specified)
Symbol |
Parameter |
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Vk |
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Reverse Breakdown Voltage |
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Reverse Breakdown Voltage |
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Tolerance |
Ikmin |
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Minimum Operating Current |
Vref/ |
T |
Average Temperature Coeffi- |
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cient |
Vk/ |
Ik |
Reverse Breakdown Voltage |
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Change with Operating Current |
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Change |
Rka |
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Static Impedance |
Kvh |
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Long Term Stability |
en |
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Wideband Noise |
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Test Condition |
Min. |
Typ. |
Max. |
Unit |
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I |
= 100μA @ T |
amb |
= 25oC |
1.200 |
1.225 |
1.250 |
V |
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k |
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I |
= 100μA @ T |
amb |
= 25oC |
-25 |
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+25 |
mV |
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k |
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-36 |
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+36 |
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-40oC < Tamb < +85oC |
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Tamb = 25oC |
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40 |
45 |
μA |
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-40oC < Tamb < +85oC |
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50 |
μA |
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I = 100μA |
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150 |
ppm/oC |
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K |
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I |
< I < 1mA @ T |
= 25oC |
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0.3 |
0.7 |
mV |
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kmin o |
k |
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o amb |
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-40 C < Tamb < +85 |
C |
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1 |
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1mA < Ik < 12mA @ Tamb = 25oC |
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2.5 |
5 |
mV |
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-40oC < Tamb < +85oC |
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7 |
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Ik = 45μA to 1mA |
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0.25 |
0.5 |
Ω |
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IK = 100μA, t = 1000hrs |
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120 |
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ppm |
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T |
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= 25oC |
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amb |
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IK = 100μA |
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200 |
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nV Hz |
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10Hz < f < 10kHz |
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2/7
TS821
ELECTRICAL CHARACTERISTICS
TS821A (1% Precision)
Tamb = 25oC (unless otherwise specified)
Symbol |
Parameter |
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Vk |
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Reverse Breakdown Voltage |
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Reverse Breakdown Voltage |
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Tolerance |
Ikmin |
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Minimum Operating Current |
Vref/ |
T |
Average Temperature Coeffi- |
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cient |
Vk/ |
Ik |
Reverse Breakdown Voltage |
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Change with Operating Current |
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Change |
Rka |
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Static Impedance |
Kvh |
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Long Term Stability |
en |
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Wideband Noise |
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Test Condition |
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Min. |
Typ. |
Max. |
Unit |
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I |
= 100μA @ T |
amb |
= 25oC |
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1.213 |
1.225 |
1.237 |
V |
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k |
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I = 100μA @ T |
amb |
= 25oC |
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-12 |
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+12 |
mV |
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k |
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-24 |
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+24 |
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-40oC < Tamb < +85oC |
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Tamb = 25oC |
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40 |
45 |
μA |
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-40oC < Tamb < +85oC |
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50 |
μA |
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I = 100μA |
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150 |
ppm/oC |
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K |
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I |
< I < 1mA @ T |
= 25oC |
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0.3 |
0.7 |
mV |
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kmin o |
k |
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o amb |
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-40 C < Tamb < +85 |
C |
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1 |
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1mA < I |
k |
< 12mA @ T |
amb |
= 25oC |
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2.5 |
5 |
mV |
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-40oC < Tamb < +85oC |
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7 |
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Ik = 45μA to 1mA |
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0.25 |
0.5 |
Ω |
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IK = 100μΑ, t = 1000hrs |
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120 |
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ppm/kHr |
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T |
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= 25oC |
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amb |
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IK = 100μA |
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200 |
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nV/ Hz |
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10Hz < f < 10kHz |
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ELECTRICAL CHARACTERISTICS TS821B (0.5% Precision)
Tamb = 25oC (unless otherwise specified)
Symbol |
Parameter |
Vk |
Reverse Breakdown Voltage |
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Reverse Breakdown Voltage |
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Tolerance |
Ikmin |
Minimum Operating Current |
Vref/ T Average Temperature Coeffi-
cient
Vk/ Ik |
Reverse Breakdown Voltage |
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Change with Operating Current |
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Change |
Rka |
Static Impedance |
Kvh |
Long Term Stability |
en |
Wideband Noise |
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Test Condition |
Min. |
Typ. |
Max. |
Unit |
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I |
= 100μA @ T |
amb |
= 25oC |
1.219 |
1.225 |
1.231 |
V |
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k |
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I |
= 100μA @ T |
amb |
= 25oC |
-6 |
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+6 |
mV |
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k |
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-14 |
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+14 |
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-40oC < Tamb < +85oC |
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Tamb = 25oC |
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40 |
45 |
μA |
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-40oC < Tamb < +85oC |
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50 |
μA |
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I |
= 100μA |
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120 |
ppm/oC |
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K |
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I |
< I < 1mA @ T |
= 25oC |
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0.3 |
0.7 |
mV |
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kmin o |
k |
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o amb |
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-40 C < Tamb < +85 |
C |
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1 |
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1mA < Ik < 12mA @ Tamb = 25oC |
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2.5 |
5 |
mV |
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-40oC < Tamb < +85oC |
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7 |
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Ik = 45μA to 1mA |
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0.25 |
0.5 |
Ω |
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IK = 100μA, t = 1000hrs |
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120 |
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ppm |
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T |
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= 25oC |
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amb |
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IK = 100μA |
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200 |
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nV/ Hz |
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10Hz < f < 10kHz |
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3/7
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