ChipFind - документация

Электронный компонент: UA776MN

Скачать:  PDF   ZIP
.
MICROPOWER OPERATION
.
NO FREQUENCY COMPENSATION
REQUIRED
.
WIDE PROGRAMMING RANGE
.
HIGH SLEW RATE
.
SHORT-CIRCUIT PROTECTION
.
PROGRAMMABLE SINGLE OP-AMP
DESCRIPTION
The UA776 programmable operational amplifier is
characterized by low supply current and low
equivalent input noise voltage over a wide range of
operating supply voltages.
Coupled with programmable electrical charac-
teristics, it is a versatile amplifier for use in high
accuracy, low power consumption analog applica-
tions.
Input noise voltage and current, power consump-
tion and input current can be optimized by a single
resistor or current source that sets the chip quies-
cent current for nano-watt power consumption or
for characteristics similar to the UA741.
Internal frequency compensation, absence of latch
up, high slew rate and short-circuit protection as-
sure ease of use in long time integrators, active
filters, and sample and hold circuits.
1
2
3
4
8
6
5
7
PIN CONNECTIONS (top view)
ORDER CODES
Part
Number
Temperature
Range
Package
N
D
UA776C
0
o
C, +70
o
C
UA776I
-40
o
C, +105
o
C
UA776M
-55
o
C, +125
o
C
Example : UA776CN
N
DIP8
(Plastic Package)
D
SO8
(Plastic Micropackage)
PROGRAMMABLE LOW POWER
SINGLE OPERATIONAL AMPLIFIERS
UA776
December 1997
1 - Offset null 1
2 - Inverting input
3 - Non-inverting input
4 - V
CC
-
5 - Offset null 2
6 - Output
7 - V
CC
+
8 - I
set
1/8
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
UA776M
UA776I
UA776C
Unit
V
cc
Supply Voltage
18
V
V
id
Differential Input Voltage
30
V
V
i
Input Voltage - (note 1)
15
V
P
tot
Power Dissipation
500
310
310
mW
Output Short-circuit Duration
Infinite
T
oper
Operating Free Air Temperature Range
-55 to +125
-40 to +105
0 to +70
o
C
T
stg
Storage Temperature Range
-65 to +150
-65 to +150
-65 to +150
o
C
Note : 1. For supply voltages less than
15V, the absolute maximum input voltage is equal to the supply voltage.
SCHEMATIC DIAGRAM
UA776
2/8
ELECTRICAL CHARACTERISTICS V
CC
15V, T
amb
= +25
o
C (unless otherwise specified)
Symbol
Parameter
I
set
= 1.5
A
I
set
= 15
A
Unit
Min.
Typ.
Max.
Min.
Typ.
Max.
V
io
Input Offset Voltage
T
amb
= +25
o
C
T
min.
T
amb
T
max.
2
5
6
2
5
6
mV
I
io
Input Offset Current
T
amb
= +25
o
C
T
min.
T
amb
T
max.
0.7
3
10
2
15
40
nA
I
ib
Input Bias Current
T
amb
= +25
o
C
UA776M
UA776I,C
T
min.
T
amb
T
max.
2
2
7.5
10
20
15
15
50
50
100
nA
A
vd
Large Signal Voltage Gain (V
O
10V)
T
amb
= +25
o
C
R
L
= 5k
R
L
= 75k
T
min.
T
amb
T
max.
R
L
= 75k
R
L
= 5k
200
100
400
100
75
400
V/mV
SVR
Supply Voltage Rejection Ratio (R
S
10k
)
T
amb
= +25
o
C
T
min.
T
amb
T
max.
77
77
92
77
77
92
dB
I
CC
Supply Current, no load
T
amb
= +25
o
C
T
min.
T
amb
T
max.
20
25
30
160
180
200
A
V
icm
Input Common Mode Voltage Range
10
10
V
CMR
Common-mode Rejection Ratio (R
S
10k
)
T
amb
= +25
o
C
T
min.
T
amb
T
max.
70
70
90
70
70
90
dB
I
OS
Output Short-circuit Current
0.5
3
15
6
12
30
mA
V
OPP
Output Voltage Swing
T
amb
= +25
o
C
R
L
= 5k
R
L
= 75k
T
min.
T
amb
T
max.
R
L
= 75k
12
10
14
10
10
13
V
V
ior
Offset Voltage Adjustment Range
9
18
mV
SR
Slew Rate (V
i
=
10V, C
L
= 100pF, unity gain)
R
L
= 5k
R
L
= 75k
0.01
0.1
0.2
0.8
V/ms
t
r
Rise Time (V
i
=
20mV, C
L
= 100pF, unity gain)
R
L
= 5k
R
L
= 75k
1.6
0.35
ms
K
OV
Overshoot (V
i
=
20mV, CL = 100pF, unity gain)
R
L
= 5k
R
L
= 75k
0
10
%
R
I
Input Resistance
50
5
M
C
id
Differential Input Capacitance
2
2
pF
R
o
Output Resistance
5
1
k
GBP
Gain Bandwidth Product (C
L
= 100pF,T
amb
= 25
o
C)
f = 100kHz
R
L
= 5k
f = 10kHz
R
L
= 75k
0.3
0.1
0.4
0.7
MHz
THD
Total Harmonic Distortion (f = 1kHz, A
V
= 20dB,
V
O
= 2V
PP
,C
L
= 100pF, T
amb
= 25
o
C)
R
L
= 5k
R
L
= 75k
0.8
0.025
%
en
Equivalent Input Noise Voltage
(f = 1kHz, R
s
= 100
)
40
20
nV

Hz
UA776
3/8
ELECTRICAL CHARACTERISTICS V
CC
3V, T
amb
= +25
o
C (unless otherwise specified)
Symbol
Parameter
I
set
= 1.5
A
I
set
= 15
A
Unit
Min.
Typ.
Max.
Min.
Typ.
Max.
V
io
Input Offset Voltage
T
amb
= +25
o
C
T
min.
T
amb
T
max.
2
5
6
2
5
6
mV
I
io
Input Offset Current
T
amb
= +25
o
C
T
min.
T
amb
T
max.
0.7
3
10
2
15
40
nA
I
ib
Input Bias Current
T
amb
= +25
o
C
UA776M
UA776I,C
T
min.
T
amb
T
max.
2
2
7
10
20
15
15
50
50
100
nA
A
vd
Large Signal Voltage Gain (V
O
10V)
T
amb
= +25
o
C
R
L
= 5k
R
L
= 75k
T
min.
T
amb
T
max.
R
L
= 75k
R
L
= 5k
50
25
200
50
25
200
V/mV
SVR
Supply Voltage Rejection Ratio (R
S
10k
)
T
amb
= +25
o
C
T
min.
T
amb
T
max.
77
77
92
77
77
92
dB
I
CC
Supply Current, no load
T
amb
= +25
o
C
T
min.
T
amb
T
max.
13
20
25
130
160
180
A
V
icm
Input Common Mode Voltage Range
1
1
V
CMR
Common-mode Rejection Ratio (R
S
10k
)
T
amb
= +25
o
C
T
min.
T
amb
T
max.
70
70
90
70
70
90
dB
I
OS
Output Short-circuit Current
0.5
3
15
2
5
20
mA
V
OPP
Output Voltage Swing
T
amb
= +25
o
C
R
L
= 75k
R
L
= 5k
T
min.
T
amb
T
max.
R
L
= 75k
R
L
= 5k
2
2
2.4
2
1.9
2
1.9
2.4
2.1
V
V
ior
Offset Voltage Adjustment Range
9
18
mV
SR
Slew Rate (V
i
=
10V, C
L
= 100pF, unity gain)
R
L
= 5k
R
L
= 75k
0.03
0.35
V/ms
t
r
Rise Time (V
i
=
20mV, C
L
= 100pF, unity gain)
R
L
= 5k
R
L
= 75k
3
0.6
s
K
OV
Overshoot (V
i
=
20mV, CL = 100pF, unity gain)
R
L
= 5k
R
L
= 75k
0
5
%
R
I
Input Resistance
50
5
M
C
id
Differential Input Capacitance
2
2
pF
R
o
Output Resistance
5
1
k
GBP
Gain Bandwidth Product (C
L
= 100pF,T
amb
=
25
o
C)
f = 100kHz
R
L
= 5k
f = 10kHz
R
L
= 75k
0.075
0.5
MHz
THD
Total Harmonic Distortion (f = 1kHz, A
V
= 20dB,
V
O
= 2V
PP
,C
L
= 100pF, T
amb
= 25
o
C)
R
L
= 5k
R
L
= 75k
1
0.03
%
en
Equivalent Input Noise Voltage
(f = 1kHz, R
s
= 100
)
20
20
nV

Hz
UA776
4/8
UA776
5/8