MAS9184A MAS | Alldatasheet

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Technical content

DA9184A.001 September 7, 1998 MAS9184A

12 X 8-bit D to A Converter

  • 12-bit serial data input
  • Highly stable output buffer
  • Serial data output for Daisy-Chaining

DESCRIPTION

The MAS9184 is a CMOS structured integrated circuit with 12 built-in D to A converter channels and 12 corresponding output buffer operational amplifiers. A simple 3-wire serial interface transfers digital data from the micro controller. The output buffers operate in the entire voltage range from ground to the positive power supply rail. FEATURES APPLICATION

  • Twelve 8-bit DACs on a single monolithic chip
  • Voltage level output
  • SO 20 package
  • Single +5V supply
  • Power-on reset
  • High resolution monitors
  • Automatic gain control
  • Trimmer replacement BLOCK DIAGRAM 8-BIT DAC 8-BIT DAC 8-BIT DAC 8-BIT DAC 8-BIT DAC 8-BIT DAC 8-BIT DAC DAC7 8-BIT DAC DAC6 DAC5 DAC4 DAC3 DAC2 DAC1 DAC0 VDD GND 8-BIT DAC 8-BIT DAC 8-BIT DAC 8-BIT DAC DAC11 DAC10 DAC9 DAC8 CLK DI LD VCC VSS 12-bit Shift Register Address Decoder 8-bit data

DA9184A.001 September 7, 1998 PIN CONFIGURATION PIN DESCRIPTION Pin name SO Function VSS 1 D/A converter low level reference voltage input terminal DAC2 2 8-bit D/A converter output terminal DAC3 3 8-bit D/A converter output terminal DAC4 4 8-bit D/A converter output terminal DAC5 5 8-bit D/A converter output terminal DAC6 6 8-bit D/A converter output terminal DAC7 7 8-bit D/A converter output terminal DAC8 8 8-bit D/A converter output terminal DAC9 9 8-bit D/A converter output terminal VDD 10 D-A converter high level reference voltage input terminal VCC 11 Power supply terminal DAC10 12 8-bit D/A converter output terminal DAC11 13 8-bit D/A converter output terminal DO 14 Serial data output terminal LD 15 Latch data terminal CLK 16 Serial clock input terminal DI 17 Serial data input terminal DAC0 18 8-bit D/A converter output terminal DAC1 19 8-bit D/A converter output terminal GND 20 Digital and analog ground SO20 DAC1 DAC10 DO Vss DAC2 DAC3 DAC4 8 13 GND CLK LD DAC0 DI DAC6 DAC5 DAC7 DAC8 DAC9 9 VDD 10 DAC11 Vcc

DA9184A.001 September 7, 1998 ABSOLUTE MAXIMUM RATINGS Parameter Symbol Conditions Min Max Unit Supply Voltage V CC -0.3 7.0 V High level reference voltage V DD -0.3 7.0 V Digital input voltage Vin -0.3 V CC+0.3 V Output voltage Vout -0.3 V CC+0.3 V Power dissipation P D 150 mW Operating temperature T amb -20 +85 oC Storage temperature T S -55 +125 oC RECOMMENDED OPERATION CONDITIONS (VCC =VDD = 5V±10%, GND = VSS = 0V, Ta = -20 o C to +85 o C, unless otherwise noted) Parameter Symbol Conditions Min Typ Max Unit Supply Voltage V CC 4.5 5.0 5.5 V Supply current I CC CLK = 1MHz 2.5 mA Input leakage current I ILK Vin = 0V to V CC -10 10 uA

DA9184A.001 September 7, 1998

ELECTRICAL CHARACTERISTICS

◆ Digital inputs (VCC =VDD = 5V±10%, GND = VSS = 0V, Ta = -20 o C to +85 o C, unless otherwise noted) Parameter Symbol Conditions Min Typ Max Unit Input low voltage V IL 3.0V CC V Input high voltage V IH 0.7V CC V ◆ Digital outputs (VCC =VDD = 5V±10%, GND = VSS = 0V, Ta = -20 o C to +85 o C, unless otherwise noted) Parameter Symbol Conditions Min Typ Max Unit Output low voltage V OL I OL = 400uA 0.4 V Output high voltage V OH I OH = -400uA V CC-0.4 V ◆ Analog outputs (VCC =VDD = 5V±10%, GND = VSS = 0V, Ta = -20 o C to +85 o C, unless otherwise noted) Parameter Symbol Conditions Min Typ Max Unit Reference voltage pin current I DD 30 50 80 uA D/A high level reference voltage range VDD 3.0 V CC V D/A low level reference voltage range VSS GND V CC-3.0 V Buffer amplifier output V AO I AO = 100uA 0.1 V CC-0.1 V voltage range I AO = 500uA 0.2 V CC-0.2 V Buffer amplifier output drive range IAO -5.0 5.0 mA Differential nonlinearity S DL -1.0 1.0 LSB Nonlinearity S L -1.5 1.5 LSB Zero code error S ZERO -1.0 1.0 LSB Full scale error S FULL -1.0 1.0 LSB Output capacitive load C L 0.1 uF Buffer amplifier output impedance RO 5 Ω

DA9184A.001 September 7, 1998 ◆ AC Characteristics (VCC =VDD = 5V±10%, GND = VSS = 0V, Ta = -20 o C to +85 o C, unless otherwise noted) Parameter Symbol Conditions Min Typ Max Unit Clock ‘L’ pulse width t CKL 100 ns Clock ‘H’ pulse width t CKH 100 ns Rise time t CR 200 ns Fall time t CF 200 ns Data setup time t DCH 30 ns data hold time t CHD 70 ns LD setup time t CHL 200 ns LD hold time t LDC 100 ns LD ‘H’ pulse width t LDH 100 ns Data output delay time t DO 70 350 ns D/A output settling time t LDD 300 ns Power-on reset level V CC 2.4 3.0 3.3 V ◆ Timing diagram CLK DI LD DAC OUT DO tCR tCF tCKH tCKL tCHDtDCH tDO tCHL tLDH tLDC tLDO

DA9184A.001 September 7, 1998 TIMING ◆ Data format Address Data Selected DA C Data DAC Output Level D11 D10 D9 D8 DAC D7 D6 D5 D4 D3 D2 D1 D0 0 0 0 0 X 0 0 0 0 0 0 0 0 V SS 1 0 0 0 DAC0 0 0 0 0 0 0 0 1 (V DD-VSS)/256x1+VSS 0 1 0 0 DAC1 0 0 0 0 0 0 1 0 (V DD-VSS)/256x2+VSS 1 1 0 0 DAC2 0 0 0 0 0 0 1 1 (V DD-VSS)/256x3+VSS 0 0 1 0 DAC3 0 0 0 0 0 1 0 0 (V DD-VSS)/256x4+VSS 1 0 1 0 DAC4 0 0 0 0 0 1 0 1 (V DD-VSS)/256x5+VSS 0 1 1 0 DAC5 0 0 0 0 0 1 1 0 (V DD-VSS)/256x6+VSS 1 0 0 1 DAC8 1 1 1 1 1 0 0 1 (V DD-VSS)/256x249+VSS 0 1 0 1 DAC9 1 1 1 1 1 0 1 0 (V DD-VSS)/256x250+VSS 1 1 0 1 DAC10 1 1 1 1 1 0 1 1 (V DD-VSS)/256x251+VSS 0 0 1 1 DAC11 1 1 1 1 1 1 0 0 (V DD-VSS)/256x252+VSS 1 0 1 1 X 1 1 1 1 1 1 0 1 (V DD-VSS)/256x253+VSS 0 1 1 1 X 1 1 1 1 1 1 1 0 (V DD-VSS)/256x254+VSS 1 1 1 1 X 1 1 1 1 1 1 1 1 (V DD-VSS)/256x255+VSS X = Don’t care condition ◆ Data format Timing D11 D10 D9 D8 D2 D1 D0DI CLK LD DAC OUT MSB LSB

DA9184A.001 September 7, 1998 APPLICATION AND TEST CIRCUIT INFORMATION Clock Data In +5v 5k5k MAS9184 DAC7 DAC0 DAC1 DAC2 DAC3 DAC4 DAC5 DAC6 VDD GND CLK DI Micro Controller DAC11 DAC8 DAC9 DAC10 VCC VSS +5v 201 1011 LD Latch 15 DO

14 Data Out

DA9184A.001 September 7, 1998 PACKAGE OUTLINES 1.12 0.10 2.36 0.30 2.64PLANE SEATING 5° TYP. 13.00 12.60 10.64 PIN 1 10.01 7.59 7.39 1.27 TYP. 0.36 0.48 0.94 5°TYP0.33 x 45° 0.86 TYP.

20 LEAD SO OUTLINE (300 MIL BODY)

0-0.13 RAD.5° TYP. 5° TYP. 5° TYP. 0.25 RAD. MIN.

DA9184A.001 September 7, 1998

ORDERING INFORMATION

Product Code Product Package Comments MAS9184AS 12 x 8-bit D to A Converter 20 Pin SO 0.3” MAS9184AS-T 12 x 8-bit D to A Converter 20 Pin SO 0.3” T&R LOCAL DISTRIBUTOR MICRO ANALOG SYSTEMS OY CONTACTS Micro Analog Systems Oy Kamreerintie 2, P.O. Box 51 FIN-02771 Espoo, FINLAND Tel. +358 9 80 521 Fax +358 9 805 3213 http://www.mas-oy.com NOTICE Micro Analog Systems Oy reserves the right to make changes to the products contained in this data sheet in order to improve the design or performance and to supply the best possible products. Micro Analog Systems Oy assumes no responsibility for the use of any circuits shown in this data sheet, conveys no license under any patent or other rights unless otherwise specified in this data sheet, and makes no claim that the circuits are free from patent infringement. Applications for any devices shown in this data sheet are for illustration only and Micro Analog Systems Oy makes no claim or warranty that such applications will be suitable for the use specified without further testing or modification.