MOTOROLA TCA0372DWR2, TCA0372DW, TCA0372DP2, TCA0372DP1, TCA0372DM2L2 Datasheet

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Dual Power Operational

Amplifier

The TCA0372 is a monolithic circuit intended for use as a power operational amplifier in a wide range of applications, including servo amplifiers and power supplies. No deadband crossover distortion provides better performance for driving coils.

Output Current to 1.0 A

Slew Rate of 1.3 V/μs

Wide Bandwidth of 1.1 MHz

Internal Thermal Shutdown

Single or Split Supply Operation

Excellent Gain and Phase Margins

Common Mode Input Includes Ground

Zero Deadband Crossover Distortion

Representative Block Diagram

VCC

Current

Bias

Monitoring

Inv.

Input

Output

Noninv.

Input

Thermal

Protection

VEE

ORDERING INFORMATION

 

Operating

 

Device

Temperature Range

Package

 

 

 

TCA0372DW

 

SOP (12+2+2) L

 

TJ = ±40° to +150°C

 

TCA0372DP1

Plastic DIP

 

 

 

TCA0372DP2

 

Plastic DIP

 

 

 

Order this document by TCA0372/D

TCA0372

DW SUFFIX

 

PLASTIC PACKAGE

16

CASE 751G

1

SOP (12+2+2)L

 

 

DP2 SUFFIX

16

PLASTIC PACKAGE

CASE 648

1

 

DP1 SUFFIX

 

PLASTIC PACKAGE

 

CASE 626

8

 

1

PIN CONNECTIONS

 

TCA0372DP2

 

Output A

1

 

 

16

Gnd

VCC

2

 

 

15

Gnd

Output B

3

 

 

14

Gnd

VEE/Gnd

4

±

+

13

Gnd

 

 

12

 

Inputs B

5

 

 

Gnd

6

 

 

11

Gnd

 

 

+

 

 

 

±

 

Inputs A

7

 

 

10

Gnd

8

 

 

9

Gnd

 

 

 

(Top View)

*Pins 4 and 9 to 16 are internally connected.

TCA0372DW

 

 

 

 

 

 

 

 

VCC

1

 

16

Output A

Output B

 

 

 

NC

2

15

NC

 

 

 

NC

3

14

 

 

 

 

 

 

 

 

V /Gnd

 

 

4

13

 

VEE/Gnd

 

 

 

 

 

 

 

 

 

EE

 

 

5

 

12

 

 

NC

 

 

 

 

 

 

 

 

 

6

11

NC

Inputs ±B

 

 

 

Input ±A

7

10

Inputs +B

 

 

 

Input +A

8

9

 

 

 

 

 

 

 

 

 

 

 

 

(Top View)

 

 

 

TCA0372DP1

Output A

1

±

8

 

 

+

Inputs A

VCC

2

7

 

Output B

3

+

6

 

 

±

Inputs B

VEE/Gnd

4

5

 

 

 

(Top View)

 

Motorola, Inc. 1999

Rev 2

TCA0372

MAXIMUM RATINGS

Rating

 

Symbol

Value

Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Supply Voltage (from VCC to VEE)

 

VS

40

V

 

 

 

 

 

Input Differential Voltage Range

 

VIDR

(Note 1)

V

 

 

 

 

 

Input Voltage Range

 

VIR

(Note 1)

V

 

 

 

 

 

Junction Temperature (Note 2)

 

TJ

+150

°C

 

 

 

 

 

Storage Temperature Range

 

Tstg

±55 to +150

°C

 

 

 

 

 

DC Output Current

 

IO

1.0

A

 

 

 

 

 

Peak Output Current (Nonrepetitive)

 

I(max)

1.5

A

 

 

 

 

 

DC ELECTRICAL CHARACTERISTICS (VCC = +15 V, VEE = ±15 V, RL connected to ground, TJ = ±40° to +125°C.)

 

Characteristics

 

 

Symbol

Min

Typ

Max

Unit

 

 

 

 

 

 

 

 

Input Offset Voltage (VCM = 0)

 

 

VIO

 

 

 

mV

TJ = +25°C

 

 

 

 

Ð

1.0

15

 

TJ, Tlow to Thigh

 

 

 

 

Ð

Ð

20

 

Average Temperature Coefficient of Offset Voltage

 

 

VIO/ T

Ð

20

Ð

μV/°C

Input Bias Current (VCM = 0)

 

 

IIB

Ð

100

500

nA

Input Offset Current (VCM = 0)

 

 

IIO

Ð

10

50

nA

Large Signal Voltage Gain

 

 

AVOL

30

100

Ð

V/mV

VO = ±10 V, RL = 2.0 k

 

 

 

 

 

 

 

 

Output Voltage Swing (IL = 100 mA)

 

 

VOH

 

 

 

V

TJ = +25°C

 

 

 

 

14.0

14.2

Ð

 

TJ = Tlow to Thigh

 

 

 

 

13.9

Ð

Ð

 

TJ = +25°C

 

 

VOL

Ð

±14.2

±14.0

 

TJ = Tlow to Thigh

 

 

 

 

Ð

Ð

±13.9

 

Output Voltage Swing (IL = 1.0 A)

 

 

VOH

 

 

 

V

VCC = +24 V, VEE = 0 V, TJ = +25°C

 

 

 

 

22.5

22.7

Ð

 

VCC = +24 V, VEE = 0 V, TJ = Tlow to Thigh

 

 

 

 

22.5

Ð

Ð

 

VCC = +24 V, VEE = 0 V, TJ = +25°C

 

 

VOL

Ð

1.3

1.5

 

VCC = +24 V, VEE = 0 V, TJ = Tlow to Thigh

 

 

 

 

Ð

Ð

1.5

 

Input Common Mode Voltage Range

 

 

VICR

 

 

 

V

TJ = +25°C

 

 

 

 

VEE to (VCC ±1.0)

 

TJ = Tlow to Thigh

 

 

 

 

VEE to (VCC ±1.3)

 

Common Mode Rejection Ratio (RS = 10 k)

 

 

CMRR

70

90

Ð

dB

Power Supply Rejection Ratio (RS = 100 Ω)

 

 

PSRR

70

90

Ð

dB

Power Supply Current

 

 

ID

 

 

 

mA

TJ = +25°C

 

 

 

 

Ð

5.0

10

 

TJ = Tlow to Thigh

 

 

 

 

Ð

Ð

14

 

NOTES: 1. Either or both input voltages should not exceed the magnitude of VCC or VEE.

 

 

 

 

 

 

2. Power dissipation must be considered to ensure maximum junction temperature (TJ) is not exceeded.

AC ELECTRICAL CHARACTERISTICS (VCC = +15 V, VEE = ±15 V, RL connected to ground, TJ = +25°C, unless otherwise noted.)

Characteristics

Symbol

Min

Typ

Max

Unit

 

 

 

 

 

 

 

 

Slew Rate (Vin = ±10 V to +10 V, RL = 2.0 k, CL = 100 pF)

SR

1.0

1.4

Ð

V/μs

AV = ±1.0, TJ = Tlow to Thigh

 

 

 

 

 

 

 

Gain Bandwidth Product (f = 100 kHz, CL = 100 pF, RL = 2.0 k)

GBW

 

 

 

MHz

TJ = 25°C

 

0.9

1.4

Ð

 

 

 

TJ = Tlow to Thigh

 

0.7

Ð

Ð

 

 

 

Phase Margin TJ = Tlow to Thigh

φm

Ð

65

Ð

Degrees

RL = 2.0 k, CL = 100 pF

 

 

 

 

 

 

 

Gain Margin

Am

Ð

15

Ð

dB

RL = 2.0 k, CL = 100 pF

 

 

 

 

 

 

 

Equivalent Input Noise Voltage

en

Ð

22

Ð

nV/

 

 

Hz

RS = 100 Ω, f = 1.0 to 100 kHz

 

 

 

 

 

 

 

Total Harmonic Distortion

THD

Ð

0.02

Ð

%

 

AV = ±1.0, RL = 50 Ω, VO = 0.5 VRMS, f = 1.0 kHz

 

 

 

 

 

 

 

NOTE: In case VEE is disconnected before VCC, a diode between VEE and Ground is recommended to avoid damaging the device.

2

MOTOROLA ANALOG IC DEVICE DATA

MOTOROLA TCA0372DWR2, TCA0372DW, TCA0372DP2, TCA0372DP1, TCA0372DM2L2 Datasheet

 

TCA0372

Figure 1. Supply Current versus Suppy Voltage

Figure 2. Output Saturation Voltage

with No Load

versus Load Current

 

6.5

 

 

 

 

 

 

 

 

 

(V)

 

VCC

SUPPLY CURRENT (mA)

5.5

 

 

 

 

 

 

 

 

 

SATURATION VOLTAGE

VCC±1.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCC±2.0

4.5

 

 

 

 

 

 

 

 

 

VCC+2.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

,

3.5

 

 

 

 

 

 

 

 

 

OUTPUT

 

 

CC

 

 

 

 

 

 

 

 

 

V

+1.0

 

 

 

 

 

 

 

 

 

 

I

 

 

 

 

 

 

 

 

 

 

 

CC

 

 

 

 

 

 

 

 

 

 

 

,

 

 

 

 

 

 

 

 

 

 

 

 

 

sat

 

 

 

2.5

 

 

 

 

 

 

 

 

 

V

 

VEE

 

2.0

4.0

6.0

8.0

10

12

14

16

18

20

 

 

0

 

 

 

 

VCC = 24 V

 

 

VEE = 0 V

0

0.5

1.0

VCC, |VEE|, SUPPLY VOLTAGE (V)

IL, LOAD CURRENT (A)

Figure 3. Voltage Gain and Phase

versus Frequency

 

80

 

 

 

 

80

 

 

 

 

 

VCC = +15 V

 

 

 

60

 

 

VEE = ±15 V

90

 

 

 

 

RL = 2.0 kΩ

PHASE (DEGREES)

GAIN (dB)

40

 

 

 

 

100

20

 

 

 

 

110

 

 

 

 

 

 

 

 

 

 

 

 

120

 

 

±20

 

 

 

 

130

 

 

1.0

10

100

1000

10000

 

f, FREQUENCY (kHz)

Figure 4. Phase Margin versus Output

Load Capacitance

 

70

 

 

 

 

 

(DEGREES)

 

 

 

 

VCC = +15 V

 

60

 

 

 

VEE = ±15 V

 

 

 

 

RL = 2.0 kΩ

 

 

 

 

 

AV = ±100

 

50

 

 

 

 

 

MARGIN

 

 

 

 

 

40

 

 

 

 

 

, PHASE

 

 

 

 

 

30

 

 

 

 

 

m

 

 

 

 

 

 

 

 

 

 

 

φ

 

 

 

 

 

 

 

20

0.4

0.8

1.2

1.6

2.0

 

0

CL, OUTPUT LOAD CAPACITANCE (nF)

VO,OUTPUT VOLTAGE (50 mV/DIV)

Figure 5. Small Signal Transient Response

VCC = +15 V

VEE = ±15 V

AV = +1.0

RL = 2.0 kΩ

VO, OUTPUT VOLTAGE (5.0 V/DIV)

Figure 6. Large Signal Transient Response

VCC = +15 V

VEE = ±15 V

AV = +1.0

RL = 2.0 kΩ

t, TIME (1.0 μs/DIV)

t, TIME (10 μs/DIV)

MOTOROLA ANALOG IC DEVICE DATA

3

 

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