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OPA2835IRMCT +BOM

Dual, Ultra Low Power, Rail to Rail Out, Negative Rail In, VFB Amplifier

Produttore:

Texas Instruments, Inc
ProduttorePart #:

OPA2835IRMCT
Scheda dati:

OPA2835IRMCT Scheda dati (PDF)
Architecture:

Voltage FB
Number Of Channels:

2
Total Supply Voltage (+5 V = 5, ±5 V = 10) (min) (V):

2.5
Total Supply Voltage (+5 V = 5, ±5 V = 10) (max) (V):

5.5
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per OPA2835IRMCT

E-mail: [email protected]

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tel: +852 95804164

OPA2835IRMCT Descrizione generale

The OPA835 and OPA2835 devices (OPAx835) are single and dual ultra-low-power, rail-to-rail output, negative-rail input, voltage-feedback (VFB) operational amplifiers designed to operate over a power supply range of 2.5-V to 5.5-V with a single supply, or ±1.25-V to ±2.75-V with a dual supply. Consuming only 250 µA per channel and with a unity gain bandwidth of 56 MHz, these amplifiers set an industry-leading performance-to-power ratio for rail-to-rail amplifiers.

For battery-powered, portable applications where power is of key importance, the low power consumption and high-frequency performance of the OPA835 and OPA2835 devices offers performance versus power that is not attainable in other devices. Coupled with a power-savings mode to reduce current to < 1.5 µA, these devices offer an attractive solution for high-frequency amplifiers in battery-powered applications.

The OPA835 RUN package option includes integrated gain-setting resistors for the smallest possible footprint on a printed-circuit-board (approximately 2.00 mm × 2.00 mm). By adding circuit traces on the PCB, gains of +1, –1, –1.33, +2, +2.33, –3, +4, –4, +5, –5.33, +6.33, –7, +8 and inverting attenuations of –0.1429, –0.1875, –0.25, –0.33, –0.75 can be achieved. See Table 9-1 and Table 9-2 for details.

The OPA835 and OPA2835 devices are characterized for operation over the extended industrial temperature range of –40°C to +125°C.

Caratteristiche principali

Ultra-Low Power
- Supply Voltage: 2.5 V to 5.5 V
- Quiescent Current: 250 µA/ch (Typical)
- Power Down Mode: 0.5 µA (Typical)
Bandwidth: 56 MHz (A_V = 1 V/V)
Slew Rate: 160 V/µs
Rise Time: 10 ns (2 V_STEP)
Settling Time (0.1%): 55 ns (2 V_STEP)
Overdrive Recovery Time: 200 ns
SNR: 0.00015% (–116.4 dBc) at 1 kHz (1 V_RMS)
THD: 0.00003% (–130 dBc) at 1 kHz (1 V_RMS)
HD₂/HD₃: –70 dBc/–73 dBc at 1 MHz (2 V_PP)
Input Voltage Noise: 9.3 nV/√ Hz (f = 100 kHz)
Input Offset Voltage: 100 µV (±500-µV Maximum)
CMRR: 113 dB
Output Current Drive: 40 mA
RRO: Rail-to-Rail Output
Input Voltage Range: –0.2 V to 3.9 V (5-V Supply)
Operating Temperature Range: –40°C to +125°C

Specifiche

Architecture	Voltage FB	Number of channels	2
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	2.5	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	5.5
GBW (typ) (MHz)	30	BW at Acl (MHz)	56
Acl, min spec gain (V/V)	1	Slew rate (typ) (V/µs)	160
Vn at flatband (typ) (nV√Hz)	9.3	Vn at 1 kHz (typ) (nV√Hz)	10
Iq per channel (typ) (mA)	0.25	Vos (offset voltage at 25°C) (max) (mV)	0.5
Rail-to-rail	In to V-, Out	Features	Shutdown
Rating	Catalog	Operating temperature range (°C)	-40 to 125
CMRR (typ) (dB)	113	Input bias current (max) (pA)	400000
Offset drift (typ) (µV/°C)	2.25	Iout (typ) (mA)	40
2nd harmonic (dBc)	70	3rd harmonic (dBc)	73
Frequency of harmonic distortion measurement (MHz)	1	feature-type	Low Power Amplifier
feature-number-of-channels-per-chip	2	feature-rail-to-rail	Rail to Rail Output
feature-process-technology		feature-output-type
feature-maximum-input-offset-voltage-mv	0.5@5V	feature-maximum-supply-current-ma
feature-maximum-input-offset-current-ua	0.1@5V	feature-maximum-input-bias-current-ua	0.4@5V
feature-maximum-power-dissipation-mw		feature-typical-slew-rate-v-us	260@5V
feature-typical-gain-bandwidth-product-mhz	31	feature-shut-down-support	No
feature-packaging	Tape and Reel	feature-rad-hard
feature-pin-count	10	feature-cecc-qualified	No
feature-esd-protection	Yes	feature-escc-qualified
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-auto-motive	No
feature-p-pap	No	feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No

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