Power Operational Amplifiers

**RoHS compliant model

Model VRANGE (V)
VTOTAL (V)
IC(A) IPK(A) POUT(W) PDISS(W) PBW(W)
VP-P
[@kHz]
SR V/µS Features Accessory Modules Evaluation Kit

PAD01**

±15 – ±50

30 – 100

5

7

50

30

90

 [100]

35

  • 30mm square footprint
  • External compensation
  • Programmable current limit
  • PAD01-1 available3

NA

EVAL01

PAD04**

±15 – ±100

30 – 200

5

7

60

30

180 [350]

200

  • Advance information1
  • 30mm square footprint
  • External compensation
  • PAD04-1 available3

NA

EVAL04

PAD20**

±15 – ±75

30 – 150

5

7

80

40

130

 [10]

5

  • Temperature reporting
  • Over-temp shutdown
  • 4-wire current limit
  • 40mm square footprint

PAD125

PAD131

EVAL20

PAD38

±15 – ±100

30 – 200

10

25

250

125

180

 [33]

10

  • External compensation
  • Programmable current limit

NA

NA

PAD39

±15 – ±50

30 – 100

10

25

200

125

80

 [80]

10

  • External compensation
  • Programmable current limit

NA

NA

PAD108**

±15 – ±100

30 – 200

10

12

200

100

180 [300]

170

  • External compensation
  • Programmable current limit

NA

NA

PAD111**

±15 – ±50

30 – 100

15

50

250

170

90

 [500]

130

  • External compensation
  • Programmable current limit

NA

NA

PAD112

±15 – ±75

30 – 150

5

7

100

50

130

 [30]

14

  • Temperature reporting
  • Over-temp shutdown
  • 4-wire current limit

PAD125

PAD131

EVAL112

PAD113**

±15 – ±250

30 – 500

1.5

3

96

29

480 

[15]

40

  • Temperature reporting
  • Over-temp shutdown
  • 4-wire current limit
  • PAD113-1 available3

PAD125

PAD131

EVAL112

PAD115A**

±10 – ±150

20 – 300

20

30

400

165

280

 [7]

8

  • Temperature reporting
  • Over-temp shutdown

PAD125

PAD131

EVAL118

PAD117A

±5 – ±50

10 – 100

15

20

250

100

90

 [23]

8

  • RRIO (rail to rail input/output)
  • Temperature reporting
  • Over-temp shutdown
  • 4-wire current limit

PAD125

PAD131

EVAL117

PAD118

±10 – ±50

20 – 100

30

40

400

165

90

 [20]

8

  • Temperature reporting
  • Over-temp shutdown

PAD125

PAD131

Evaluation Kit – Power Amp Design

EVAL118

PAD119A**

±10 – ±100

20 – 200

20

30

400

165

90

 [20]

8

  • Temperature reporting
  • Over-temp shutdown

PAD125

PAD131

EVAL118

PAD126

±20 – ±250

40 – 500

10

12

450

150

480

 [25]

50

  • Temperature reporting
  • Over-temp shutdown
  • 4-wire current limit
  • PAD126-1 available3

PAD125

PAD131

EVAL126

PAD127

±5 – ±50

10 – 100

30

40

450

225

90

 [10]

8

  • RRIO (rail to rail input/output) 
  • Temperature reporting
  • Over-temp shutdown
  • 4-wire current limit

PAD125

PAD131

EVAL127

PAD128

±10 – ±50

10 – 100

20

30

400

140

90

 [20]

16

  • RRIO w/PAD130
  • Temperature reporting
  • Over-temp shutdown
  • 4-wire current limit
  • Low distortion

PAD125

PAD131

EVAL129

PAD129**

±10 – ±100

20 – 200

15

20

400

140

90

 [20]

37

  • RRIO w/PAD132
  • Temperature reporting
  • Over-temp shutdown
  • 4-wire current limit
  • High power bandwidt

PAD125

PAD131

EVAL129

PAD135**

±15 – ±100

30 – 200

5

10

80

40

180 [350]

200

  • Low cost
  • Small size 40mm square
  • High voltage- 200 volts
  • 350kHz power bandwidth
  • 200V/µS slew rate
  • 40mm square footprint
  • PAD135-1 available3

NA

EVAL135

PAD136**

±15 – ±100

30 – 200

7

10

150

100

180 [350]

200

  • Low cost
  • Small size 40X45mm 
  • High voltage- 200 volts
  • 350kHz power bandwidth
  • 200V/µS slew rate
  • Higher power version of PAD135-1

NA

Pinout is same as PAD135 but user will need to supply heat sink

PAD137

±5 – ±50

10 – 100

20

30

400

140

90 [23]

8

  • RRIO (rail to rail input/output)
  • Temperature reporting
  • Over-temp shutdown
  • 4-wire current limit

PAD125

PAD131

EVAL137

PAD138**

±15 – ±100

30 – 200

10

12

240

75

180

 [30]

30

  • Low cost
  • Small size 40mm square
  • High voltage- 200 volts
  • 30kHz power bandwidth
  • 30V/µS slew rate
  • PAD138-1 available3

NA

EVAL138

PAD141**

±6 – ±50

12 – 100

10

15

240

75

90

 [28]

7

  • Low cost
  • Small size 40mm square
  • Single supply operation
  • High voltage- 100 volts
  • 28kHz power bandwidth
  • 7V/µS slew rate
  • PAD141-1 available3

NA

EVAL138

PAD148*

±15 – ±100 30 – 200

10

12

240

125

180 [150]

100

  • Low cost
  • High voltage- 200 volts
  • 28kHz power bandwidth
  • Temperature reporting
  • Short circuit protection
  • External shutdown

NA

Pinout is the same as PAD135 but user will need to supply heat sink.

PAD149** Release date TBA

±15 – ±100

30 – 200

10

12

240

125

180 [150]

100

  • Advance Information1
  • Low cost
  • High voltage- 200 volts
  • 100kHz power bandwidth
  • Temperature Reporting
  • Short circuit protection
  • External shutdown

NA

NA

PAD150**

±15 – ±50

30 – 100

10

20

200

125

90 [500]

200

  • Low cost
  • Small size 40X45mm 
  • High voltage- 100 volts
  • 500kHz power bandwidth
  • 200V/µS slew rate
  • Higher current version of PAD136

NA

Pinout is same as PAD135 but user will need to supply heat sink

PAD183**

±15 – ±175

30 – 350

1.5

2.0

70

35

330 [100]

100

  • Low cost
  • Small size 40mm square
  • High voltage- 350 volts
  • 100kHz power bandwidth
  • 100V/µS slew rate
  • 40mm square footprint
  • PAD183-1 available3

NA

EVAL183

PAD188

±25 – ±262.5

50 – 525

0.1

0.2

10

5

960

 [2]

3

  • External compensation
  • Programmable current limit
  • Conformal coated
  • 1mA quiescent current
  • PAD188-1

NA

EVAL188

PAD189A

±50 – ±525

100 – 1050

1.5

1.5

180

60

960

 [10]

30

  • External compensation
  • 4-wire current limit
  • Conformal coated
  • PAD189A-1 available3

NA

EVAL189

PAD195

±50 – ±520

100 – 1040

0.1

0.2

40

20

1000

 [1]

20

  • External compensation
  • Programmable current limit
  • Conformal coated
  • 1mA quiescent current
  • PAD195-1 available3

NA

EVAL195

PAD196

±50 – ±1025

100 – 2050

0.05

0.1

24

12

2000 [0.5]

5

  • External compensation
  • Programmable current limit
  • Conformal coated
  • 1mA quiescent current
  • PAD196-1 available3

NA

EVAL196

PAD541

±10 – ±50

20 – 100

5

7.0

100

50

80 [57]

14

  • Low cost SIP design
  • 0.63” height
  • High voltage- 100 volts
  • External compensation
  • Programmable current limit

NA

EVAL541

Accessory modules provide additional optional features for the power op amp models.

Accessory Modules

Model Function VRANGE (V)
VTOTAL (V)
OUTPUT Features Compatible Amplifiers*

PAD125

Current Limit

±8 – ±250

16 – 500

5V Logic Signals

  • Programmable functions
  • Precision 150mV sense voltage
  • Temp stable sense voltage
  • Ground referenced outputs

All models with external shutdown feature

PAD131

Fan Controller

12-15

5-15V varies w/temp

  • Increases fan life
  • Reduces audible fan noise

All amplifier models with “Temp” output

CJS01**

Cage Jack Strip

NA

NA

Inexpensive socket strip

All amplifier models except PAD541

Power supplies can be connected in parallel or series (limit 2) for other total voltages and currents.

Power Supplies

Model Voltage Current Output Power Features

RS-15

12V

300mA

15W

  • Adjustable output voltage
  • Universal input voltage
  • Current limited

LRS-50

48V

1.1A

50W

  • Adjustable output voltage
  • Universal input voltage
  • Current limited

RS-100

48V

2.3A

110W

  • Adjustable output voltage
  • Universal input voltage
  • Current limited

LRS-200

48V

4.4A

211W

  • Adjustable output voltage
  • Switch selectable input voltage
  • Current limited

LRS-350

48V

7.3A

350W

  • Adjustable output voltage
  • Switch selectable input voltage
  • Current limited

RSP-500

48V

10.5A

504W

  • Adjustable output voltage
  • Universal input voltage
  • Power factor correction
  • Current limited
  • Forced air cooling

Notes:
*Amplifiers and accessory modules are purchased separately. For contacts in your area please consult website.
**RoHS compliant model
1ADVANCE INFORMATION: Product is in development. The specifications shown are the design goals and subject to change.
2PRELIMINARY INFORMATION: Product is entering the production phase. The specifications shown are current but subject to change.
3The -1 version of the model has no heat sink or fan for custom applications. See data sheet for full specifications. Other models may have -1 versions available upon request.
IC: Continuous output current; IPK: Peak output current; POUT: Power output capability; PDISS: Power dissipation capability
PBW: Power bandwidth; SR: Slew rate