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OPA855IDSGR

8 GHz Gain Bandwidth Product, Decompensated Transimpedance Amplifier with Bipolar Input

Manufacturer:

TI
Mfr.Part #:

OPA855IDSGR
Datasheet:

OPA855IDSGR Datasheet (PDF)
Pbfree Code:

Yes
Part Life Cycle Code:

Active
Reach Compliance Code:

compliant
ECCN Code:

EAR99
EDA/CAD Models:

Request Free CAD Models for OPA855IDSGR

Email: [email protected]

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Tel: +852 95804164

OPA855IDSGR General Description

The OPA855 is a wideband, low-noise operational amplifier with bipolar inputs for wideband transimpedance and voltage amplifier applications. When the device is configured as a transimpedance amplifier (TIA), the 8-GHz gain bandwidth product (GBWP) enables high closed-loop bandwidths at transimpedance gains of up to tens of kΩs.

The following graph shows the bandwidth and noise performance of the OPA855 as a function of the photodiode capacitance when the amplifier is configured as a TIA. The total noise is calculated along a bandwidth range extending from DC to the calculated frequency (f) on the left scale. The OPA855 package has a feedback pin (FB) that simplifies the feedback network connection between the input and the output.

The OPA855 is optimized to operate in optical time-of-flight (ToF) systems where the OPA855 is used with time-to-digital converters, such as the TDC7201. Use the OPA855 to drive a high-speed analog-to-digital converter (ADC) in high-resolution LIDAR systems with a differential output amplifier, such as the THS4541 or LMH5401.

Key Features

High gain bandwidth product: 8 GHz
Decompensated, gain ≥ 7 V/V (stable)
Low input voltage noise: 0.98 nV/√Hz
Slew rate: 2750 V/µs
Low Input capacitance:
- Common-mode: 0.6 pF
- Differential: 0.2 pF
Wide input common-mode range:
- 0.4 V from positive supply
- 1.1 V from negative supply
3 V_PP total output swing
Supply voltage range: 3.3 V to 5.25 V
Quiescent current: 17.8 mA
Package: 8-pin WSON
- Bare die (preview)
Temperature range: –40°C to +125°C

Specifications

Source Content uid	OPA855IDSGR	Pbfree Code	Yes
Part Life Cycle Code	Active	Reach Compliance Code	compliant
ECCN Code	EAR99	HTS Code	8542.33.00.01
Amplifier Type	OPERATIONAL AMPLIFIER	Architecture	VOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)	5 µA	Bias Current-Max (IIB) @25C	18.5 µA
Common-mode Reject Ratio-Min	90 dB	Common-mode Reject Ratio-Nom	100 dB
Input Offset Voltage-Max	2500 µV	JESD-30 Code	S-PDSO-N8
JESD-609 Code	e4	Length	2 mm
Moisture Sensitivity Level	1	Number of Functions	1
Number of Terminals	8	Operating Temperature-Max	125 °C
Operating Temperature-Min	-40 °C	Peak Reflow Temperature (Cel)	260
Seated Height-Max	0.8 mm	Slew Rate-Nom	2750 V/us
Supply Voltage Limit-Max	5.5 V	Supply Voltage-Nom (Vsup)	5 V
Surface Mount	YES	Technology	BICMOS
Temperature Grade	AUTOMOTIVE	Terminal Finish	NICKEL PALLADIUM GOLD
Terminal Form	NO LEAD	Terminal Pitch	0.5 mm
Terminal Position	DUAL	Time@Peak Reflow Temperature-Max (s)	30
Unity Gain BW-Nom	2500000	Width	2 mm
Product Category	High Speed Operational Amplifiers	Series	OPA855
Number of Channels	1 Channel	GBP - Gain Bandwidth Product	8 GHz
SR - Slew Rate	2.75 kV/us	Voltage Gain dB	76 dB
CMRR - Common Mode Rejection Ratio	100 dB	Output Current per Channel	105 mA
Ib - Input Bias Current	5 uA	Vos - Input Offset Voltage	2.5 mV
Supply Voltage - Max	5.25 V	Supply Voltage - Min	3.3 V
Operating Supply Current	17.8 mA	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C	Mounting Style	SMD/SMT
3 dB Bandwidth	2.5 GHz	en - Input Voltage Noise Density	0.98 nV/sqrt Hz
Features	Decompensated, Shutdown	In - Input Noise Current Density	2.5 pA/sqrt Hz
Ios - Input Offset Current	1 uA	Moisture Sensitive	Yes
Product	High Speed Amplifiers	Product Type	Op Amps - High Speed Operational Amplifiers
PSRR - Power Supply Rejection Ratio	86 dB	Shutdown	Shutdown
Factory Pack Quantity	3000	Subcategory	Amplifier ICs
Unit Weight	0.000413 oz