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RHF310 Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer RHF310
Beschreibung high-speed operational amplifier
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 22 Seiten
RHF310 Datasheet, Funktion
RHF310
Rad-hard 400 µA high-speed operational amplifier
Preliminary data
Features
OptimWattTM device featuring ultra-low 2 mW
consumption and low 400 μA quiescent
current(a)
Bandwidth: 120 MHz (gain = 2)
Slew rate: 115 V/μs
Specified on 1 kΩ
Input noise: 7.5 nV/Hz
Tested with 5 V power supply
300 krad MIL-STD-883 1019.7 ELDRS free
compliant
SEL immune at 125° C, LET up to
110 MEV.cm2/mg
SET characterized, LET up to
110 MEV.cm2/mg
QMLV qualified under SMD 5962-0723301
Mass: 0.45 g
Applications
Low-power, high-speed systems
Communication and space equipment
Harsh radiation environments
ADC drivers
NC
IN -
IN +
-VCC
Pin connections
(top view)
18
45
NC
+VCC
OUT
NC
The upper metallic lid is not electrically connected to any
pins, nor to the IC die inside the package.
Description
www.DataSheet.net/
The RHF310 is a very low power, high-speed
operational amplifier. A bandwidth of 120 MHz is
achieved while drawing only 400 µA of quiescent
current. This low-power characteristic is
particularly suitable for high-speed battery
powered devices requiring dynamic performance.
The RHF310 is a single operator available in a
Flat-8 package, saving board space as well as
providing excellent thermal performance.
Table 1. Device summary
Order code
SMD pin
Quality
level
Package
Lead
finish
Marking
EPPL Packing
RHF310K1
-
Engineering
model
Flat-8
Gold
RHF310K1
-
Strip pack
RHF310K-01V 5962F0723301VXC QMLV-Flight Flat-8 Gold 5962F0723101VXC -
Note:
Contact your ST sales office for information on the specific conditions for products in die form and
QML-Q versions.
a. OptimWattTM is an STMIcroelectronics registered trademark that applies to products with specific features that optimize
energy efficiency.
July 2011
Doc ID 15577 Rev 3
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
1/22
www.st.com
22
Datasheet pdf - http://www.DataSheet4U.co.kr/






RHF310 Datasheet, Funktion
Electrical characteristics
RHF310
Table 4.
Electrical characteristics for VCC = ±2.5 V, Tamb = 25° C
(unless otherwise specified) (continued)
Symbol
Parameter
Test conditions
Min. Typ. Max.
SR Slew rate
VOH High level output voltage
Vout = 2 Vpp,
AV = +2, RL = 100 Ω
RL = 100 Ω
+25°C
115
+125°C 1.5
+25°C 1.55 1.65
-55°C 1.5
VOL Low level output voltage
Isink(1)
Iout
Isource(2)
RL = 100 Ω
Output to GND
Output to GND
+125°C
-1.5
+25°C
-1.66 -1.55
-55°C
-1.5
+125°C 70
+25°C 70 110
-55°C 70
+125°C 60
+25°C 60 100
-55°C 60
Unit
V/μs
V
V
mA
Noise and distortion
eN Equivalent input noise voltage (3)
Equivalent positive input noise
current(3)
iN
Equivalent negative input noise
current(3)
SFDR Spurious free dynamic range
1. See Figure 10 for more details.
2. See Figure 11 for more details.
3. See Chapter 5 on page 15.
F = 100 kHz
+25°C
F = 100 kHz
www.DataSheet.net/
F = 100 kHz
+25°C
+25°C
AV = +2, Vout = 2 Vpp,
RL = 100 Ω
F = 1 MHz
F = 10 MHz
+25°C
+25°C
+25°C
7.5 nV/Hz
13 pA/Hz
6 pA/Hz
-87 dBc
-55
Table 5. Closed-loop gain and feedback components
Gain (V/V) + 2 - 2 + 4
-4
+ 10 - 10
Rfb (Ω)
1.2k 1k 150 300 100 180
6/22 Doc ID 15577 Rev 3
Datasheet pdf - http://www.DataSheet4U.co.kr/

6 Page









RHF310 pdf, datenblatt
Power supply considerations
Figure 23. Circuit for +5 V single supply
10 µF
IN
+5 V
Rin
1 kΩ
R1
470 Ω
+
_
R2
470 Ω
+ 1 µF
10 nF
+
RG
CG
+5 V
OUT
Rfb
RHF310
1 kΩ
AM00841
www.DataSheet.net/
12/22
Doc ID 15577 Rev 3
Datasheet pdf - http://www.DataSheet4U.co.kr/

12 Page





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