The OPAx322-Q1 series consists of single-, dual-, and quad-channel CMOS operational amplifiers featuring low noise and rail-to-rail inputs and outputs optimized for low-power, single-supply applications. Specified over a wide supply range from 1.8 V to 5.5 V, the low quiescent current of only 1.5 mA per channel makes these devices well-suited for power-sensitive applications.
The combination of very-low noise (8.5 nV√Hz at 1 kHz), high-gain bandwidth (20 MHz), and fast slew rate (10 V/µs) make the OPAx322-Q1 family ideal for a wide range of applications, including signal conditioning and sensor amplification requiring high gains. Featuring low THD+N, the OPAx322-Q1 family is also excellent for consumer audio applications, particularly for single-supply systems.
The OPA322-Q1 (single version) is available in 5-pin SOT-23 package, while the OPA2322-Q1 (dual version) is offered in a 8-pin VSSOP package. The OPA4322-Q1 (quad version) is available in a 14-pin TSSOP package. All versions are specified for operation from –40°C to +125°C.
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Number of channels (#) |
Total Supply Voltage (Min) (+5V=5, +/-5V=10) |
Total Supply Voltage (Max) (+5V=5, +/-5V=10) |
GBW (Typ) (MHz) |
Slew Rate (Typ) (V/us) |
Rail-to-rail |
Vos (offset voltage @ 25 C) (Max) (mV) |
Iq per channel (Typ) (mA) |
Vn at 1 kHz (Typ) (nV/rtHz) |
Rating |
Operating temperature range (C) |
Package Group |
Package size: mm2:W x L (PKG) |
Offset drift (Typ) (uV/C) |
Features |
Input bias current (Max) (pA) |
CMRR (Typ) (dB) |
Output current (Typ) (mA) |
Architecture |
OPA2322-Q1 | OPA2316-Q1 | OPA322-Q1 | OPA4322-Q1 | TLV2316-Q1 |
---|---|---|---|---|
2 | 2 | 1 | 4 | 2 |
1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
20 | 10 | 20 | 20 | 10 |
10 | 6 | 10 | 10 | 6 |
In Out |
In Out |
In Out |
In Out |
In Out |
2 | 2.5 | 2 | 2 | 3 |
1.5 | 0.4 | 1.6 | 1.4 | 0.4 |
8.5 | 11 | 8.5 | 8.5 | 12 |
Automotive | Automotive | Automotive | Automotive | Automotive |
-40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
VSSOP | 8 | VSSOP | 8 | SOT-23 | 5 | TSSOP | 14 | VSSOP | 8 |
8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8) | 8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8) | 5SOT-23: 8 mm2: 2.8 x 2.9 (SOT-23 | 5) | 14TSSOP: 32 mm2: 6.4 x 5 (TSSOP | 14) | 8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8) |
1.8 | 2 | 1.8 | 1.8 | 2 |
EMI Hardened Zero Crossover |
EMI Hardened Shutdown |
|
EMI Hardened Zero Crossover |
Cost Optimized EMI Hardened |
10 | 15 | 800 | 10 | |
100 | 80 | 100 | 100 | 90 |
65 | 50 | 65 | 65 | 50 |
CMOS | CMOS | CMOS | CMOS | CMOS |
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