OPA548F datasheet(3/24 Pages) TI

3 / 24 page

OPA548

SBOS070B

www.ti.com

ELECTRICAL CHARACTERISTICS

At TCASE = +25°C, VS = ±30V and E/S pin open, unless otherwise noted.

OPA548T, F

PARAMETER

CONDITION

MIN

TYP

MAX

UNITS

OFFSET VOLTAGE

Input Offset Voltage

VCM = 0, IO = 0

±2

±10

vs Temperature

TA = –40°C to +85°C

±30

µV/°C

vs Power Supply

VS = ±4V to ±30V

100

µV/V

INPUT BIAS CURRENT(1)

Input Bias Current(2)

VCM = 0V

–100

–500

vs Temperature

TA = –40°C to +85°C

±0.5

nA/

°C

Input Offset Current

VCM = 0V

±5

±50

NOISE

Input Voltage Noise Density, f = 1kHz

nV/

√Hz

Current Noise Density, f = 1kHz

200

fA/

√Hz

INPUT VOLTAGE RANGE

Common-Mode Voltage Range: Positive

Linear Operation

(V+) – 3

(V+) – 2.3

Negative

Linear Operation

(V–) – 0.1

(V–) – 0.2

Common-Mode Rejection

VCM = (V–) –0.1V to (V+) –3V

INPUT IMPEDANCE

Differential

107 || 6

Ω || pF

Common-Mode

109 || 4

Ω || pF

OPEN-LOOP GAIN

Open-Loop Voltage Gain

VO = ±25V, RL = 1kΩ

VO = ±25V, RL = 8Ω

FREQUENCY RESPONSE

Gain-Bandwidth Product

RL = 8Ω

MHz

Slew Rate

G = 1, 50Vp-p, RL = 8Ω

µs

Full-Power Bandwidth

See Typical Characteristics

kHz

Settling Time:

±0.1%

G = –10, 50V Step

µs

Total Harmonic Distortion + Noise, f = 1kHz

RL = 8Ω, G = +3, Power = 10W

0.02(3)

OUTPUT

Voltage Output, Positive

IO = 3A

(V+) – 4.1

(V+) – 3.7

Negative

IO = –3A

(V–) + 3.7

(V–) + 3.3

Positive

IO = 0.6A

(V+) – 2.4

(V+) – 2.1

Negative

IO = –0.6A

(V–) + 1.3

(V–) + 1.0

Maximum Continuous Current Output: dc

±3A

Arms

Leakage Current, Output Disabled, dc

See Typical Characteristics

Output Current Limit

Current Limit Range

0 to

±5A

Current Limit Equation

ILIM = (15000)(4.75)/(13750Ω + RCL)A

Current Limit Tolerance(1)

RCL = 14.8kΩ (ILIM = ±2.5A),

±100

±250

RL = 8Ω

Capacitive Load Drive

See Typical Characteristics(4)

OUTPUT ENABLE /STATUS (E/S) PIN

Shutdown Input Mode

VE/S HIGH (output enabled)

E/S Pin Open or Forced High

(V–) + 2.4

VE/S LOW (output disabled)

E/S Pin Forced Low

(V–) + 0.8

IE/S HIGH (output enabled)

E/S Pin High

–65

µA

IE/S LOW (output disabled)

E/S Pin Low

–70

µA

Output Disable Time

µs

Output Enable Time

µs

Thermal Shutdown Status Output

Normal Operation

Sourcing 20

µA(V–) + 2.4

(V–) + 3.5

Thermally Shutdown

Sinking 5

µA, T

J > 160°C(V–) + 0.35

(V–) + 0.8

Junction Temperature, Shutdown

+160

°C

Reset from Shutdown

+140

°C

POWER SUPPLY

Specified Voltage

±30

Operating Voltage Range

±4

±30

Quiescent Current

ILIM Connected to V–, IO = 0

±17

±20

Quiescent Current, Shutdown Mode

ILIM Connected to V–, IO = 0

±6mA

TEMPERATURE RANGE

Specified Range

–40

+85

°C

Operating Range

–40

+125

°C

Storage Range

–55

+125

°C

Thermal Resistance,

7-Lead DDPAK, 7-Lead TO-220

f > 50Hz

°C/W

7-Lead DDPAK, 7-Lead TO-220

2.5

°C/W

Thermal Resistance,

7-Lead DDPAK, 7-Lead TO-220

No Heat Sink

°C/W

NOTES: (1) High-speed test at TJ = +25°C. (2) Positive conventional current flows into the input terminals. (3) See “Total Harmonic Distortion+Noise vs Frequency” in

the Typical Characteristics section for additional power levels. (4) See “Small-Signal Overshoot vs Load Capacitance” in the Typical Characteristics section.

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