Overview

Part: OPAx134

Type: Audio Operational Amplifiers

Key Specs:

Ultra-low distortion: 0.00008%
Low noise: 8nV/√Hz
Input bias current: 5pA
Slew rate: 20V/µs
Bandwidth: 8MHz
Open-loop gain: 120dB (2kΩ)
Supply range: ±2.5V to ±18V

Features:

Excellent sound quality
True FET-input
High speed
High open-loop gain
Single, dual, and quad versions
High output drive capability
Excellent DC performance
Wide output swing (to within 1V of the rails)
Easy to use and free from phase-inversion and overload problems
Unity-gain stable
Excellent dynamic behavior over a wide range of load conditions
Input cascode circuitry provides excellent common-mode rejection
Maintains low input bias current over wide input voltage range
Dual and quad versions feature completely independent circuitry
Specified for –40°C to +85°C operation

Applications:

Professional audio and music
Line drivers
Line receivers
Multimedia audio
Active filters
Preamplifiers
Integrators
Crossover networks

Package:

OPA134 (Single): D (SOIC, 8), P (PDIP, 8)
OPA2134 (Dual): D (SOIC, 8), P (PDIP, 8)
OPA4134 (Quad): D (SOIC, 14)

Features

• Excellent sound quality

• Ultra-low distortion: 0.00008%

• Low noise: 8nV/√Hz • True FET-input: IB = 5pA

• High speed:

– Slew rate: 20V/µs – Bandwidth: 8MHz

• High open-loop gain: 120dB (2kΩ) • Wide supply range: ±2.5V to ±18V • Single, dual, and quad versions

Applications

• Professional audio and music

• Line drivers

• Line receivers

• Multimedia audio

• Active filters

• Preamplifiers

• Integrators

• Crossover networks

THD+Noise vs Frequency

Pin Configuration

Figure 4-1. OPA134: D Package, 8-Pin SOIC, and P Package, 8-Pin PDIP (Top View)

Pin Functions: OPA134

| | PIN | |--------|------|--------|-----------------------------------------| | NAME | NO. | TYPE | DESCRIPTION | | +IN | 3 | Input | Noninverting input | | –IN | 2 | Input | Inverting input | | NC | 1, 5 | — | Do not connect these pins(1) | | NC | 8 | — | No internal connection. Float this pin. | | Output | 6 | Output | Output | | V+ | 7 | Power | Positive power supply | | V– | 4 | Power | Negative power supply |

(1) Existing layouts for the OPA134 before revision B of this data sheet do not need to be redesigned.

Figure 4-2. OPA2134: D Package, 8-Pin SOIC, and P Package, 8-Pin PDIP (Top View)

Table 4-1. Pin Functions: OPA2134

| PIN | |-------|-----|--------|---------------------------------|--| | NAME | NO. | TYPE | DESCRIPTION | | +IN A | 3 | Input | Noninverting input, channel A | | +IN B | 5 | Input | Noninverting input, channel B | | –IN A | 2 | Input | Inverting input, channel A | | –IN B | 6 | Input | Inverting input, channel B | | OUT A | 1 | Output | Output, channel A | | OUT B | 7 | Output | Output, channel B | | V+ | 8 | Power | Positive (highest) power supply | | V– | 4 | Power | Negative (lowest) power supply |

Figure 4-3. OPA4134: D Package, 14-Pin SOIC (Top View)

Table 4-2. Pin Functions: OPA4134

| PIN | |-------|-----|--------|---------------------------------| | NAME | NO. | TYPE | DESCRIPTION | | +IN A | 3 | Input | Noninverting input, channel A | | +IN B | 5 | Input | Noninverting input, channel B | | +IN C | 10 | Input | Noninverting input, channel C | | +IN D | 12 | Input | Noninverting input, channel D | | –IN A | 2 | Input | Inverting input, channel A | | –IN B | 6 | Input | Inverting input, channel B | | –IN C | 9 | Input | Inverting input, channel C | | –IN D | 13 | Input | Inverting input, channel D | | OUT A | 1 | Output | Output, channel A | | OUT B | 7 | Output | Output, channel B | | OUT C | 8 | Output | Output, channel C | | OUT D | 14 | Output | Output, channel D | | V+ | 4 | Power | Positive (highest) power supply | | V– | 11 | Power | Negative (lowest) power supply |

Product Folder Links: OPA134 OPA2134 OPA4134

Electrical Characteristics

at TA = 25°C, VS = ±15V, RL = 2kΩ connected to midsupply, and VCM = VOUT = midsupply (unless otherwise noted)

	PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
	AUDIO PERFORMANCE
	Total harmonic distortion plus	f = 1kHz, G = 1,	RL = 2kΩ		0.00008
THD+N	noise	VO = 3Vrms	RL = 600Ω		0.00015		%
	Intermodulation distortion	f = 1kHz, G = 1, VO = 1VPP			–98		dB
	Headroom(1)	THD < 0.01%, RL = 2kΩ, VS = 18V			21.3		dBu
	FREQUENCY RESPONSE
GBW	Gain bandwidth product				8		MHz
SR	Slew rate(2)				±20		V/μs
		10V step, G = 1,	0.1%		0.7
	Settling time	CL = 100pF	0.01%		1		μs
FPBW	Full power bandwidth				1.3		MHz
	Overload recovery time	VIN × G = VS			0.6		µs
NOISE
	Input voltage noise	f = 20Hz to 20kHz			1.2		µVrms
en	Input voltage noise density	f = 1kHz			8		nV/√Hz
In	Input current noise density	f = 1kHz			3		fA/√Hz
	OFFSET VOLTAGE
					±1	±3.5
VOS	Input offset voltage	TA = –40°C to +85°C			±1		mV
dVOS/dT	Input offset voltage drift	TA = –40°C to +85°C			±2		μV/°C
PSRR	Power-supply rejection ratio	5V ≤ VS ≤ 36V		90	106		dB
		DC, RL = 2kΩ			128
	Channel separation (dual, quad)	f = 20kHz, RL = 2kΩ			126		dB
	INPUT BIAS CURRENT
					±5	±100	pA
IB	Input bias current(3)	TA = –40°C to +85°C			See Section 5.8	±5	nA
IOS	Input offset current(3)				±2	±50	pA
INPUT VOLTAGE
VCM	Common-mode voltage			(V–) + 2.5		±13 (V+) – 3.5	V
				86	100
CMRR	Common-mode rejection ratio	–12.5V ≤ VCM ≤ 11.5V	TA = –40°C to +85°C		90		dB
	INPUT IMPEDANCE
	Differential				1013 8		Ω pF
	Common-mode	–12.5V ≤ VCM ≤ 11.5V			1013 6		Ω pF
	OPEN-LOOP GAIN
		RL = 10kΩ, –14.5V ≤ VO ≤ 13.8V		104	120
AOL	Open-loop voltage gain	RL = 2kΩ, –13.8V ≤ VO ≤ 13.5V		104	120		dB

Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)(1)

			MIN MAX	UNIT
VS	Supply voltage, (V+) – (V–)	Single supply		36 V
	Input voltage(2)		(V–) – 0.5 (V+) + 0.5	V
	Input current(2)		±10	mA
ISC	Output short-circuit(3)
TA	Operating temperature		–40 125	°C
TJ	Junction temperature		150	°C
Tstg	Storage temperature		–55 125	°C

(1) Operation outside the Absolute Maximum Ratings may cause permanent device damage. Absolute Maximum Ratings do not imply functional operation of the device at these or any other conditions beyond those listed under Recommended Operating Conditions. If used outside the Recommended Operating Conditions but within the Absolute Maximum Ratings, the device may not be fully functional, and this may affect device reliability, functionality, performance, and shorten the device lifetime.
(2) Input pins are diode-clamped to the power-supply rails. Input signals that can swing more than 0.5V beyond the supply rails must be current limited to 10mA or less.
(3) Short-circuit to ground, one amplifier per package.

5.2 ESD Ratings

			VALUE	UNIT
	OPA134 in SOIC and PDIP Packages, and OPA2134 in PDIP Package
V(ESD)	Electrostatic discharge	Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)	±2000	V
	OPA2134 in SOIC Package
		Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)	±2000
V(ESD)	Electrostatic discharge	Charged-device model (CDM), per JEDEC specification JESD22-C101(2)	±500	V
	OPA4134 in SOIC Package
	Electrostatic discharge	Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)	±2000
V(ESD)	Electrostatic discharge	Charged-device model (CDM), per JEDEC specification JESD22-C101(2)	±200	V

(1) JEDEC document JEP155 states that 500V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250V CDM allows safe manufacturing with a standard ESD control process.

5.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

			MIN	NOM	MAX	UNIT
	Supply voltage, (V+) – (V–)	Dual supply	±2.5	±15	±18
VS		Single supply	5	30	36	V
TA	Ambient temperature		–40		+85	°C

5.4 Thermal Information - OPA134

| | | OPA134 | |-----------|----------------------------------------------|----------|----------|------| | | THERMAL METRIC(1) | D (SOIC) | P (PDIP) | UNIT | | | | 8 PINS | 8 PINS | | RθJA | Junction-to-ambient thermal resistance | 160 | 73 | °C/W | | RθJC(top) | Junction-to-case (top) thermal resistance | 75 | 50 | °C/W | | RθJB | Junction-to-board thermal resistance | 60 | 36 | °C/W | | ΨJT | Junction-to-top characterization parameter | 9 | 17 | °C/W | | ΨJB | Junction-to-board characterization parameter | 50 | 35 | °C/W | | RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | N/A | °C/W |

⁽¹⁾ For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.

Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

			MIN	NOM	MAX	UNIT
	Supply voltage, (V+) – (V–)	Dual supply	±2.5	±15	±18
VS		Single supply	5	30	36	V
TA	Ambient temperature		–40		+85	°C

Thermal Information

| | | OPA134 | |-----------|----------------------------------------------|----------|----------|------| | | THERMAL METRIC(1) | D (SOIC) | P (PDIP) | UNIT | | | | 8 PINS | 8 PINS | | RθJA | Junction-to-ambient thermal resistance | 160 | 73 | °C/W | | RθJC(top) | Junction-to-case (top) thermal resistance | 75 | 50 | °C/W | | RθJB | Junction-to-board thermal resistance | 60 | 36 | °C/W | | ΨJT | Junction-to-top characterization parameter | 9 | 17 | °C/W | | ΨJB | Junction-to-board characterization parameter | 50 | 35 | °C/W | | RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | N/A | °C/W |

⁽¹⁾ For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.