The OPA4830 is a quad, low-power, single-supply, wideband, voltage-feedback amplifier designed to operate on a single +3V or +5V supply. Operation on ±5V or +10V supplies is also supported. The input range extends below the negative supply and to within 1.8V of the positive supply. Using complementary common-emitter outputs provides an output swing to within 220mV of either supply while driving 150
. High output drive current (±80mA) and low differential gain and phase errors also make this amplifier an excellent choice for single-supply consumer video products.
Low distortion operation is ensured by the high gain bandwidth product (110MHz) and slew rate (560V/µs), making the OPA4830 an ideal input buffer stage to 3V and 5V CMOS analog-to-digital converters (ADCs). Unlike other low-power, single-supply amplifiers, distortion performance improves as the signal swing is decreased. A low 9.2nV/
Hz input voltage noise supports wide dynamic range operation.
The OPA4830 is available in an industry-standard quad pinout TSSOP-14 package.
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| Architecture | Voltage FB |
| Number of channels | 4 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 2.8 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 11 |
| GBW (typ) (MHz) | 110 |
| BW at Acl (MHz) | 280 |
| Acl, min spec gain (V/V) | 1 |
| Slew rate (typ) (V/µs) | 560 |
| Vn at flatband (typ) (nV√Hz) | 9.2 |
| Vn at 1 kHz (typ) (nV√Hz) | 9.5 |
| Iq per channel (typ) (mA) | 4.25 |
| Vos (offset voltage at 25°C) (max) (mV) | 8 |
| Rail-to-rail | In to V-, Out |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| CMRR (typ) (dB) | 80 |
| Input bias current (max) (pA) | 10000000 |
| Offset drift (typ) (µV/°C) | 30 |
| Iout (typ) (mA) | 75 |
| 2nd harmonic (dBc) | 60 |
| 3rd harmonic (dBc) | 59 |
| Frequency of harmonic distortion measurement (MHz) | 5 |
| TSSOP (PW) | 14 | 32 mm² 5 x 6.4 |