TS921 STMicroelectronics, TS921 Datasheet

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TS921

Manufacturer Part Number
TS921
Description
Rail-to-rail high output current op-amps
Manufacturer
STMicroelectronics
Datasheet

Specifications of TS921

Low Noise
9nV/√Hz
High Output Current
80mA (able to drive 32Ω loads)
High-speed
4MHz, 1V/μs
Esd Internal Protection
1.5kV

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Description
The TS921 is a rail-to-rail single BiCMOS
operational amplifier optimized and fully specified
for 3V and 5V operation.
Its
impedances to be driven.
The TS921 exhibits very low noise, low distortion
and low offset. It has a high output current
capability which makes this device an excellent
choice for high quality, low voltage or battery-
operated audio systems.
The device is stable for capacitive loads up to
500pF.
Applications
November 2005
Rail-to-rail input and output
Low noise: 9nV/ Hz
Low distortion
High output current: 80mA (able to drive 32
loads)
High-speed: 4MHz, 1V/ s
Operating from 2.7V to 12V
ESD internal protection: 1.5kV
Latch-up immunity
Macromodel included in this specification
Headphone amplifier
Piezoelectric speaker driver
Sound cards, multimedia systems
Line driver, actuator driver
high
output
current
allows
low-load
Rail-to-Rail High Output Current
Servo amplifier
Mobile phone and portable communication
sets
Instrumentation with low noise as key factor
Single Operational Amplifier
Pin connections (top view)
N
DIP8
(Plastic Package)
D
SO-8
(Plastic Micropackage)
P
TSSOP8
(Thin Shrink Small Outline Package)
TS921
www.st.com
Rev 3
1/14
14

Related parts for TS921

TS921 Summary of contents

Page 1

... Its high output current impedances to be driven. The TS921 exhibits very low noise, low distortion and low offset. It has a high output current capability which makes this device an excellent choice for high quality, low voltage or battery- operated audio systems. The device is stable for capacitive loads up to 500pF ...

Page 2

... Order Codes Temperature Part Number Range TS921IN TS921ID/IDT -40°C, +125°C TS921IPT TS921IYD/IYDT 2/14 Package DIP8 SO-8 TSSOP8 (Thin Shrink Outline Package) SO-8 (automotive grade level) TS921 Packing Marking Tube TS921IN Tube or Tape & Reel 921I Tape & Reel Tube or Tape & Reel 921IY ...

Page 3

... TS921 1 Absolute Maximum Ratings Table 1. Key parameters and their absolute maximum ratings Symbol V Supply voltage CC Vid Differential Input Voltage V Input Voltage i T Storage Temperature stg T Maximum Junction Temperature j Thermal Resistance Junction to R thja Ambient Thermal Resistance Junction to R thjc Case ESD ...

Page 4

... R = 600 /2, R connected DD icm CC L Min. Typ. Max max 100 2.87 2.63 100 180 1 0.7 1.3 =100pF 68 =100pF 12 9 0.005 TS921 Unit mV V/° V/mV MHz Degrees dB nV ----------- - Hz % ...

Page 5

... TS921 Table 4. Electrical characteristics for / Symbol Parameter V Input Offset Voltage io DV Input Offset Voltage Drift io I Input Offset Current io I Input Bias Current ib V High Level Output Voltage OH V Low Level Output Voltage OL A Large Signal Voltage Gain ...

Page 6

... Figure 6. 0.02 0.015 0.01 0.005 0 0.01 Voltage gain and phase vs. frequency ph ase R l=10k gain C l=100pF 1E +03 1E +04 1E +05 1E +06 1E +07 Frequency (H z) Equivalent input noise voltage vs. frequency 0 Frequency (kHz) THD + noise vs. frequency 0 Frequency (kHz) TS921 180 120 60 0 -60 1E +08 100 100 ...

Page 7

... TS921 Figure 7. THD + noise vs. frequency 0.04 0.032 0.024 0.016 0.008 0 0.01 0.1 1 Frequency (kHz) Figure 9. THD + noise vs. frequency 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0.01 0.1 1 Frequency (kHz) Figure 11. THD + noise vs. output voltage 10,000 1,000 0,100 0,010 0,001 0 0,2 0,4 0,6 Vout (V rms) Figure 0.1 0.01 10 100 0 Figure 10. THD + noise vs. output voltage 10 1 0.1 0.01 0.001 ...

Page 8

... 10k sink source 600k GBP 10k , 600k connected CC/2 amb Conditions = 100pF 25°C (unless otherwise specified) Value 0 200 V/mV 1.2 -0.2 to 3.2 2. 1.3 68 Degrees TS921 = 3V, Unit MHz V/ s ...

Page 9

... Macromodel code ** Standard Linear Ics Macromodels, 1996. ** CONNECTIONS INVERTING INPUT * 2 NON-INVERTING INPUT * 3 OUTPUT * 4 POSITIVE POWER SUPPLY * 5 NEGATIVE POWER SUPPLY .SUBCKT TS921 (analog) ********************************************************* .MODEL MDTH D IS=1E-8 KF=2.664234E-16 CJO=10F * INPUT STAGE CIP 2 5 1.000000E-12 CIN 1 5 1.000000E-12 EIP EIN RIP ...

Page 10

... DONM 21 19 MDTH 400E-12 HOPM 22 28 VOUT 6.250000E+02 VIPM 28 4 5.000000E+01 HONM 21 27 VOUT 6.250000E+02 VINM 5 27 5.000000E+01 VOUT ROUT COUT 3 5 1.300000E-10 DOP 19 25 MDTH 400E-12 VOP 4 25 1.052 DON 24 19 MDTH 400E-12 VON 24 5 1.052 .ENDS 10/14 TS921 ...

Page 11

... TS921 4 Package Mechanical Data In order to meet environmental requirements, ST offers these devices in ECOPACK These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label ...

Page 12

... DIM. MIN. A 1.35 A1 0.10 A2 1.10 B 0.33 C 0.19 D 4. 5.80 h 0.25 L 0.40 k ddd 12/14 SO-8 MECHANICAL DATA mm. TYP MAX. MIN. 1.75 0.053 0.25 0.04 1.65 0.043 0.51 0.013 0.25 0.007 5.00 0.189 4.00 0.150 1.27 6.20 0.228 0.50 0.010 1.27 0.016 ˚ (max.) 8 0.1 TS921 inch TYP. MAX. 0.069 0.010 0.065 0.020 0.010 0.197 0.157 0.050 0.244 0.020 0.050 0.04 0016023/C ...

Page 13

... TS921 4.3 TSSOP8 Package DIM. MIN 0.05 A2 0.80 b 0.19 c 0.09 D 2.90 E 6. 0˚ L 0.45 L1 TSSOP8 MECHANICAL DATA mm. TYP MAX. MIN. 1.2 0.15 0.002 1.00 1.05 0.031 0.30 0.007 0.20 0.004 3.00 3.10 0.114 6.40 6.60 0.244 4.40 4.50 0.169 0.65 8˚ 0˚ 0.60 0.75 0.018 1 Package Mechanical Data inch TYP. MAX. 0.047 0.006 0.039 0.041 0.012 0.008 0.118 ...

Page 14

... Electrical Characteristics on page 4 easier use. – Thermal Resistance Junction to Case added in All other names are the property of their respective owners © 2005 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com TS921 Changes ESD Table . Order Codes reformatted for Table 1. on page 3 . ...

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