Motorola MC1741CDR2, MC1741CP1, MC1741CD Datasheet

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Order this document by MC1741C/D

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The MC1741C was designed for use as a summing amplifier, integrator,
or amplifier with operating characteristics as a function of the external
feedback components.

• No Frequency Compensation Required

• Short Circuit Protection

• Offset Voltage Null Capability

• Wide Common Mode and Differential V oltage Ranges

• Low Power Consumption

• No Latch Up

MAXIMUM RATINGS

Rating Symbol Value Unit

Power Supply Voltage VCC, V
Input Differential Voltage V
Input Common Mode Voltage (Note 1) V
Output Short Circuit Duration (Note 2) t
Operating Ambient Temperature Range T
Storage Temperature Range T

NOTES: 1.For supply voltages less than +15 V , the absolute maximum input voltage is

equal to the supply voltage.

2.Supply voltage equal to or less than 15 V.

EE

ID
ICM
SC

A

stg

±18 Vdc
±30 V
±15 V

Continuous

0 to +70 °C

–55 to +125 °C

OPERATIONAL

AMPLIFIER

SEMICONDUCTOR

TECHNICAL DATA

8

1

P1 SUFFIX

PLASTIC PACKAGE

CASE 626

8

1

D SUFFIX

PLASTIC PACKAGE

CASE 751

(SO–8)

Equivalent Circuit Schematic

(1/4 of Circuit Shown)

Noninverting

Input

Inverting

Input

Offset

Null

1.0 k 1.0 k50 k

39 k

5.0 k

30 pF

MOTOROLA ANALOG IC DEVICE DATA

4.5 k

7.5 k

50 k 50

V

G

25

Output

50

V

CC

EE

PIN CONNECTIONS

Offset Null

Inv. Input

Noninv. Input

V

EE

1

2

3

4

+

(Top View)

8

N.C.

7

V

CC

Output

6

Offset Null

5

ORDERING INFORMATION

Operating

Device

MC1741CD
MC1741CP1

 Motorola, Inc. 1996 Rev 5

Alternate

LM741CN
µA741TC

Temperature Range

–

TA = 0° to +70°C

Package

SO–8

Plastic DIP

1

MC1741C

ELECTRICAL CHARACTERISTICS

Characteristic

Input Offset Voltage (RS ≤ 10 k) V
Input Offset Current I
Input Bias Current I
Input Resistance r
Input Capacitance C
Offset Voltage Adjustment Range V
Common Mode Input Voltage Range V
Large Signal Voltage Gain (VO = ±10 V, RL ≥ 2.0 k) A
Output Resistance r
Common Mode Rejection (RS ≤ 10 k) CMR 70 90 – dB
Supply Voltage Rejection (RS ≤ 10 k) PSR 75 – – dB
Output Voltage Swing V

(RL ≥ 10 k) ±12 ±14 –

(RL ≥ 2.0 k) ±10 ±13 –
Output Short Circuit Current I
Supply Current I
Power Consumption P
Transient Response (Unity Gain, Noninverting)

(VI = 20 mV, RL ≥ 2.0 k, CL ≤ 100 pF) Rise Time t

(VI = 20 mV, RL ≥ 2.0 k, CL ≤ 100 pF) Overshoot os – 15 – %

(VI = 10 V, RL ≥ 2.0 k, CL ≤ 100 pF) Slew Rate SR – 0.5 – V/µs

(VCC = +15 V, VEE = –15 V, TA = 25°C, unless otherwise noted.)

Symbol Min Typ Max Unit

IO
IO
IB

i

i
IOR
ICR

VOL

o

O

SC

D

C

TLH

– 2.0 6.0 mV
– 20 200 nA
– 80 500 nA

0.3 2.0 – MΩ
– 1.4 – pF
– ±15 – mV

±12 ±13 – V

20 200 – V/mV

– 75 – Ω

– 20 – mA
– 1.7 2.8 mA
– 50 85 mW

– 0.3 – µs

V

ELECTRICAL CHARACTERISTICS (V

Characteristic

Input Offset Voltage (RS ≤ 10 kΩ) V
Input Offset Current (TA = 0° to +70°C ) I
Input Bias Current (TA = 0° to +70°C ) I
Supply Voltage Rejection (RS ≤ 10 k) PSR 75 – – dB
Output Voltage Swing (RL ≥ 2.0 k) V
Large Signal Voltage Gain (RL ≥ 2.0 k, VO = ±10 V) A

* T

= 0°CT

low

high

= 70°C

= +15 V, VEE = –15 V, TA = T

CC

to T

low

Symbol Min Typ Max Unit

VOL

, unless otherwise noted.)*

high

IO
IO
IB

O

– – 7.5 mV
– – 300 nA
– – 800 nA

±10 ±13 – V

15 – – V/mV

2

MOTOROLA ANALOG IC DEVICE DATA

MC1741C

Figure 1. Burst Noise versus Source Resistance Figure 2. RMS Noise versus Source Resistance

1000

µ

100

BW = 1.0 Hz to 1.0 kHz

100

µ

10

BW = 1.0 Hz to 1.0 kHz

, INPUT NOISE ( Vpk)

10

n

e

0

10 100 1.0 k 10 k 100 k 1.0 M

RS, SOURCE RESISTANCE (Ω)

1.0

, INPUT NOISE ( Vpk)

n

e

0.1
10 100 1.0 10 k 100 k 1.0 M

RS, SOURCE RESISTANCE (Ω)

Figure 3. Output Noise versus Source Resistance Figure 4. Spectral Noise Density

10

AV = 1000

1.0
100

10

OUTPUT NOISE (mVrms)

0.1

,

n

e

0.01
10 100 1.0 k 10 k 100 k 1.0 M

RS, SOURCE RESISTANCE (Ω)

1.0

14.0

12.0

)
Hz

10.0

√

nV/

8.0

6.0

4.0
INPUT NOISE (
,

n

e

2.0

0

10 100 1.0 k 100 k10 k

f, FREQUENCY (Hz)

AV = 10, RS = 100 k

Ω

Figure 5. Burst Noise Test Circuit

100 k

100 k

1.0 k

Unlike conventional peak reading or RMS meters, this system was
especially designed to provide the quick response time essential
to burst (popcorn) noise testing.

100 k

–
+

Operational Amplifier

Under Test

x500 x2

1.0 Hz to 1.0 kHz

MOTOROLA ANALOG IC DEVICE DATA

Positive

Threshold

Voltage

Low Pass

Filter

+
–

To Pass / Fail

Indicator
+
–

Negative

Threshold

Voltage

The test time employed is 10 sec and the 20 mV peak limit
refers to the operational amplifier input thus eliminating errors
in the closed loop gain factor of the operational amplifier.

3