TSM109/A
DUAL COMPARATOR AND VOLTAGE REFERENCE
COMPARATOR
s
LOW SUPPLY CURRENT (1.1mA) INDE-
PENDENT OF SUPPLY VOLTAGE
s
LOW INPUT BIAS CURRENT : 25nA TYP
s
LOW INPUT OFFSET VOLTAGE : ±1mV TYP
s
INPUT COMMON-MODE VOLTAGE RANGE
INCLUDES GROUND
N
DIP8
s
LOW OUTPUT SATURATION VOLTAGE :
250mV TYP; (Io = 4mA)
s
DIFFERENTIAL INPUT VOLTAGE RANGE
EQUAL TO THE SUPPLY VOLTAGE
s
WIDE POWER SUPPLY RANGE : ±1V to
±18V
s
ESD PROTECTION : 1.5kV
VOLTAGE REFERENCE
D
SO8
s
Fixed V
ref
to 2.5V
s
0.4% AND 1% VOLTAGE PRECISION
s
SINK CURRENT CAPABILITY : 1 to 100mA
DESCRIPTION
The TSM109 is a monolithic IC that includes two
comparators and a shunt voltage reference. This
device offers space and cost savings in many ap-
plications including power supply management or
data acquisition systems.
PIN CONNECTIONS
(top view)
ORDER CODE
Part
Number
TSM109
TSM109A
Temperature
Range
-40°C, +105°C
-40°C, +105°C
Package
N
•
•
D
•
•
N =
Dual in Line Package (DIP)
D =
Small Outline Package (SO) - also available in Tape & Reel (DT)
1
Out
Vcc
8
2
Vref
Out
7
3
Ve+
Ve-
6
4
Gnd
Ve+
5
November 2002
1/7
TSM109/A
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CC
V
id
V
in
Ik
T
oper
T
j
R
thja
ESD
Supply voltage
Differential Input Voltage
Input Voltage
Continuous Cathode current range
Operating Free-air Temperature Range
Maximum Junction Temperature
Thermal Resistance Junction to Ambient (SO package)
Electrostatic Discharge Protection
Parameter
Value
36
36
-0.3 to V
cc
+0.3
-100 to 150
-40 to105
150
175
1.5
Unit
V
V
V
mA
°C
°C
°C/W
kV
ELECTRICAL CHARACTERISTICS
V
CC+
= 5V, V
CC-
= 0V, T
amb
= 25°C (unless otherwise specified)
Symbol
I
CC
Parameter
Total Supply Current, excluding current in the Voltage
Reference
V
CC
= +5V, no load
V
CC
= +30V, no load
Min
Typ
Max
Unit
0.4
1
1
2.5
mA
2/7
TSM109/A
ELECTRICAL CHARACTERISTICS
COMPARATOR
(independent comparator)
V
CC
+
= +5V, V
CC
-
= GND, T
amb
= +25°C (unless otherwise specified)
TSM109
Symbol
Input Offset Voltage - note
1)
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
Input Offset Current
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
Input Bias Current (I
+
or I
-
) - note
2)
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
Large Signal Voltage Gain
V
CC
= 15V, R
L
= 15kΩ, V
o
= 1V to 11V
Input Common Mode Voltage Range - note
3)
V
CC
= 30V
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
Differential Input Voltage -note
4)
Low Level Output Voltage
V
id
= -1V, I
sink
= 4mA
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
High Level Output Current (V
id
= 1V)
I
OH
V
CC
= V
o
= 30V
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
Output Sink Currrent
V
id
= 1V, V
o
= 1.5V
Response Time - note
5)
R
L
= 5.1kΩ connected to V
CC+
Large Signal Response Time
R
L
= 5.1kΩ connected to V
CC+
, e
l
= TTL,
V
(ref)
= +1.4v
10
30
150
1
nA
µA
mA
µs
50
Parameter
Min.
V
io
Typ.
1
Max.
5
9
25
100
250
400
mV
Unit
I
io
3
nA
I
ib
25
nA
A
vd
200
V/mV
V
icm
0
0
V
CC+
-1.5
V
CC
-2
V
CC+
+
V
V
id
V
OL
250
400
700
mV
I
sink
t
re
20
1.3
t
rel
1.
2.
3.
4.
5.
300
ns
At output switch point, V
o
≈
1.4V, R
s
= 0 with V
CC +
from 5V to 30V, and over the full common-mode range (0V to V
CC +
-1.5V).
The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the state of the
output, so no loading charge exists on the reference of input lines.
The input common-mode voltage of either input signal voltage should not be allowed to go negative by more than 0.3V. The upper end of the
common-mode voltage range is V
CC +
-1.5V, but either or both inputs can go to +30V without damage.
Positive voltage excursions of one input may exceed the power supply level. As long as the other input voltage remains within the common-mode
range, the comparator will provide an appropriate output state. The low input voltage state must not be less than -0.3V (or 0.3V below the negative
power supply, if used).
The response time specified is for a 100mV input step with 5mV overdrive. For larger overdrive signals, 300ns can be obtained
3/7
TSM109/A
COMPARATOR
(comparator with inverting input connected to the internal Vref))
V
CC
+
= +5V, V
CC
-
= GND, T
amb
= +25°C (unless otherwise specified)
TSM109
Symbol
Input Offset Voltage - note
1)
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
Input Bias Current for positive input note
2)
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
Large Signal Voltage Gain
V
CC
= 15V, R
L
= 15kΩ, V
o
= 1V to 11V
Low Level Output Voltage
V
id
= -1V, I
sink
= 4mA
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
High Level Output Current (V
id
= 1V)
I
OH
V
CC
= V
o
= 30V
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
Output Sink Currrent
V
id
= 1V, V
o
= 1.5V
Response Time - note
3)
R
L
= 5.1kΩ connected to V
CC+
Large Signal Response Time
R
L
= 5.1kΩ connected to V
CC+
, e
l
= TTL,
V
(ref)
= +1.4v
10
30
150
1
nA
µA
mA
µs
50
Parameter
Min.
V
io
Typ.
1
Max.
5
9
250
400
mV
Unit
I
ib
25
nA
A
vd
200
V/mV
V
OL
250
400
700
mV
I
sink
t
re
20
1.3
t
rel
1.
2.
3.
300
ns
At output switch point, V
o
≈
1.4V, R
s
= 0 with V
CC +
from 5V to 30V, and over the full common-mode range (0V to V
CC +
-1.5V).
The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the state of the
output, so no loading charge exists on the reference of input lines.
The response time specified is for a 100mV input step with 5mV overdrive. For larger overdrive signals, 300ns can be obtained.
4/7
TSM109/A
ELECTRICAL CHARACTERISTICS
VOLTAGE REFERENCE
Symbol
I
K
Cathode Current
Conditions
Value
1 to 100
Unit
mA
T
amb
= 25°C (unless otherwise specified)
TSM109A
Symbol
Parameter
Min.
V
ref
Reference Input Voltage, I
K
= 10 mA
T
amb
= 25°C
T
min
≤
T
amb
≤
T
max
Reference Input Voltage Deviation OverTemperature
Range I
K
= 10 mA
T
min
≤T
amb
≤
T
max
Typ.
Max.
Min.
Typ.
Max.
TSM109
Unit
2.490 2.500 2.510 2.475 2.500 2.525
2.48
2.52
2.45
2.55
V
∆V
ref
7
30
7
30
mV
Temperature Coefficient of Reference Input Voltage
∆Vref
I
K
= 10 mA,
-------------------
-
Vref∆T
T
min
≤T
amb
≤
T
max
I
min
|Z
Vref
|
Minimum Cathode Current for Regulation
Dynamic Impedance - note
1)
∆V
ref
,
∆I
K
= 1 to 100mA, f < 1KHz
±13
0.5
0.3
±90
1
0.65
±13
0.5
0.3
±90
1
0.65
ppm/°C
mA
Ω
1. The dynamic impedance is defined as [Z
Vref
| =
∆V
Vref
/∆I
K
5/7
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