CS3302A-ISZ Cirrus Logic Inc, CS3302A-ISZ Datasheet
CS3302A-ISZ
Specifications of CS3302A-ISZ
Available stocks
Related parts for CS3302A-ISZ
CS3302A-ISZ Summary of contents
Page 1
... INB- Preliminary Product Information http://www.cirrus.com Description The CS3302A is a high input-impedance, differential in- put, differential output amplifier with programmable gain, optimized for amplifying signals from high-imped- ance sensors such as hydrophones. The gain settings are binary weighted (x1, x2, x4, x8, x16, x32, x64) and are selected using simple pin settings ...
Page 2
... PIN DESCRIPTION ................................................................................................................ 14 4. ORDERING INFORMATION ................................................................................................. 15 5. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION ........................... 15 6. PACKAGE DIMENSIONS ...................................................................................................... 16 LIST OF FIGURES Figure 1. CS3302A Noise Performance.......................................................................................... 5 Figure 2. Digital Input Rise and Fall Times ..................................................................................... 8 Figure 3. System Architecture....................................................................................................... 10 Figure 4. System Architecture....................................................................................................... 11 Figure 5. CS3302A Amplifier Connections.................................................................................... 13 Figure 6. CS3302A Pin Assignments............................................................................................ 14 LIST OF TABLES Table 1 ...
Page 3
... AGENTS FROM ANY AND ALL LIABILITY, INCLUDING ATTORNEYS' FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES. Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners. DS765PP1 CS3302A DS765PP1 Changes Initial release. CS3302A 3 ...
Page 4
... DIFF (Note (Note 3) I PWR (Note 3) I OUT PD V INA V IND T STG CS3302A Min Nom Max 2.45 2.50 2.55 -2.55 -2.50 -2.45 3.20 3.30 3.40 - CS3302A Min Max Unit -0.3 6.8 V -6.8 0.3 V -0 500 mW (VA-)-0.5 (VA+)+0.5 V -0.5 (VD)+0.5 ...
Page 5
... Linearity (Note 5) Notes: 4. Guaranteed by design and/or characterization. 5. Tested with a 31.25 Hz sine wave amplitude. CS3302A In-Band Noise 200 400 600 800 1000 1200 1400 1600 1800 2000 Frequency (Hz) Figure 1. CS3302A Noise Performance DS765PP1 CS3302A DS765PP1 Symbol T STR Θ Symbol 200 kHz ...
Page 6
... CS5371A / 72A / 73A modulator and the CS5376A / 78 digital filter, and is measured from the digitally calibrated output codes of the CS5376A / 78. 12. The CS3302A offset calibration is performed digitally with the CS5371A / 72A / 73A modulator and CS5376A / 78 digital filter and includes the full scale signal range. Calibration offsets of greater than + 5% of full scale will begin to subtract from system dynamic range ...
Page 7
... IN (Note (Note 4, 13) CDMR OUT V (VA-)+0.5 RNG (Note 14 OUT (Note 14 OUT GUARD ZG - OUT IG - OUT peak CS3302A CS3302A Typ Max Unit - 2000 Hz - (VA+)-1.25 V (VA+)-1. p-p - 2.5 V p-p - 1.25 V p-p - 625 mV p-p - 312.5 mV p-p - 156.25 mV p-p - 78.125 mV p TΩ TΩ, pF ...
Page 8
... Table 1. Digital Selection for Gain and Input Mux Control 8 CS3302A DS765PP1 Symbol (Note 15 (Note 15 RISE t FALL t rise t fall Figure 2. Digital Input Rise and Fall Times MUX0 Gain Selection x16 x32 x64 Reserved CS3302A CS3302A Min Typ Max Unit 0.6* 0.0 - 0.8 V µ + 100 100 GAIN2 GAIN1 GAIN0 ...
Page 9
... Notes: 16. All outputs unloaded. Analog inputs connected to the internal 800 Ω termination. Digital inputs forced GND respectively. 17. Power supply rejection characterized with a 50 Hz, 400 mV supply. DS765PP1 CS3302A DS765PP1 Symbol Min (Note 16 (Note 16 (Note 16 (Note 16 (Note 4, 17) PSRR 95 sine wave applied separately to each pp CS3302A CS3302A Typ Max Unit 5.0 5.75 mA 0.1 0.2 mA µ µ 120 - dB 9 ...
Page 10
... U Sensor X 10 CS3302A DS765PP1 system architecture of a single channel acquisition system using a CS3302A, CS5373A, and CS5378. 2.1 Analog Signals 2.1.1 The amplifier analog inputs are designed for high- impedance differential sensors. Input multiplexing simplifies system connections by providing sepa- rate inputs for a sensor and test DAC (INA, INB) as well as an internal termination for noise tests ...
Page 11
... Digital Signals 2.2.1 Gain Selection The CS3302A supports gain ranges of x1, x2, x4, x8, x16, x32, and x64. They are selected using the GAIN0, GAIN1, and GAIN2 pins as shown in Table 1 on page CS3302A µController ...
Page 12
... DS765PP1 2.3 Power Supplies 2.3.1 Analog Power Supplies The analog power pins of the CS3302A are to be supplied with a total between VA+ and VA- . This voltage is typically from a bipolar ±2.5 V supply. When using bipolar supplies the analog signal common mode voltage should be biased The analog power supplies are recommended to be bypassed to system ground using 0.1 µ ...
Page 13
... Connection Diagram shows a connection diagram for the CS3302A amplifier when used with the CS5372A dual ∆Σ Figure 5 modulator, the CS4373A test DAC and the CS5376A digital filter. The diagram shows differential sensors, a test DAC, and analog outputs with anti-alias capacitors; power supply connections including recom- mended bypassing ...
Page 14
... GND 10 15 OUTR+ TEST2 11 14 TEST0 12 13 GUARD Figure 6. CS3302A Pin Assignments CS3302A Input Mux Select Input Mux Select Gain Range Select Gain Range Select Gain Range Select Power Down Mode Enable Ground Test Mode Select Positive Digital Power Supply Ground ...
Page 15
... ORDERING INFORMATION Model CS3302A-IS CS3302A-ISZ, lead (Pb) free 5. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION Model Number CS3302A-IS CS3302A-ISZ, lead (Pb) free * MSL (Moisture Sensitivity Level) as specified by IPC/JEDEC J-STD-020. DS765PP1 CS3302A DS765PP1 Temperature -40 to +85 °C Peak Reflow Temp MSL Rating* 240 °C 260 °C CS3302A ...
Page 16
... CS3302A 1 E1 END VIEW L NOTE MILLIMETERS MAX 2.13 0.25 1.88 0.38 2,3 8.50 1 8.20 5.60 1 0.69 1.03 8° DS765PP1 ...