MB88146A Fujitsu, MB88146A Datasheet
MB88146A
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MB88146A Summary of contents
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... OP amp., low-voltage) MB88146A DESCRIPTION The MB88146A is an 8-bit D/A converter with twelve built-in channels. The 12 analog outputs each have a built amplifier with large current drive-capability. The data input/output format is CS (chip select) with serial bus connection available. A built-in 12-bit I/O expander enables serial output) ...
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... MB88146A PIN ASSIGNMENT (TOP VIEW DIP-24, SSOP-24 GND ...
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... Be sure that and that *2: Do not leave this pin in floating state. Description to GND output). DD A/0 input) or D/A converter analog output ( D/GND output: When V D 4 When V D < 4 V/0 MB88146A D/0 input input ...
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... MB88146A BLOCK DIAGRAM CS SI CLK I/O expander DF D8 8-bit latch R-2R rudder circuit 16-bit shift register and controller 8-bit latch 8-bit latch DF D8 ...
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... Channel select D0 Function 0 Don’t Care/special function 1 AO selected selected selected selected 12 1 I/O expander (serial parallel) 0 I/O expander (parallel serial) 1 Expander status register (ESR) MB88146A LSB (first) 5 ...
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... MB88146A 3. Setting Data • Don’t Care/special function (Channel select = “0000” ...
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... Parallel I/O pins (output state Serial Conversion Parallel I/O pins (output state ESR Pin status to D pins used for analog output should be set to “0.” 4 MB88146A ...
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... MB88146A Note: After power turned on, the state of pins and registers is as follows. CC Pin “L” output / /AO Hi-Z state (input state Hi-Z state (input state Register Shift register Bits are “0,” and are not defined (retain prior state). ...
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... Conditions Min. A — 4 — — Source current — Sink current — — — — –20 MB88146A Rating Unit Min. Max. –0.3 +7.0 V –0 –0 –0 0 –0 0 –0 ...
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... MB88146A ELECTRICAL CHARACTERISTIC 1. DC Characteristics (1) Digital section Parameter Symbol Pin name Power supply voltage Power supply current Standby current Input leak current I ILK1 “H” level input voltage V IH1 “L” level input voltage V IL1 High-impedance leak I OLK current “ ...
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... A 0.2 CC #FF setting #FF setting 0.3 CC #FF setting 0.3 CC #FF setting : Analog output source current AL MB88146A = 5 – + Value Unit Typ. Max. 5.0 5.5 V 1.0 3.7 mA — + — — — 0 — ...
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... MB88146A 2. AC Characteristics • For operation 5 Parameter Clock “L” level pulse width Clock “H” level pulse width Clock rise time Clock fall time Serial input setup time Serial input hold time Serial output delay time CS input setup time CS hold time CS “ ...
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... Cr CKH Cf CKL t t SSU SHD t CCH t t SOD SOD 80% and 20 The decision level for 2 MB88146A t CSH t SOZ t t PSU PHD t POD t AOD 80 ...
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... MB88146A 3. Analog Output Noise Characteristic Parameter Symbol Digital supply noise P SRD reduction ratio Analog supply noise P SRA reduction ratio D/A supply noise P SRDA reduction ratio Operating noise V N1 I/O expander operating V N2 noise 1 I/O expander operating V N3 noise 2 • Measurement condition 1 V D,V A ...
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... Analog output Digital input serial conversion commands, serial parallel conversion, ESR setting commands Parallel output Digital input digital output MB88146A analog output parallel conversion command for (Continued) 15 ...
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... MB88146A (Continued) • I/O Expander Operation Noise 2 V Noise to analog output during serial for switching between digital output and analog output. CLK SI Serial parallel switching commands, ESR setting commands parallel switching commands for digital-only pins, or ESR setting commands ...
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... DATA INPUT/OUTPUT TIMING MB88146A Data Input/Output Timing (Serial Bus Format) • D/A converter operation, and I/O expander (serial CLK Data input is enabled at the falling edge of the CS signal. 16-bit data is input, and the shift register command is executed at the rising edge of CS. ...
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... MB88146APFV lower than GND voltage, or when voltages are applied to the device VccA GND voltages. Latchup produces a rapid increase in power and GND terminals of the MB88146A with and V terminals and the GND terminals Package 24-pin Plastic DIP ...
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... MB88146A 15°MAX 15.24(.600) TYP Dimensions in mm (inches) Mounting height 0.10(.004) Details of "A" part 0.10±0.10(.004±.004) (STAND OFF) 0 10° 0.50±0.20 (.020±.008) Dimensions in mm (inches) ...
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... MB88146A FUJITSU LIMITED For further information please contact: Japan FUJITSU LIMITED Corporate Global Business Support Division Electronic Devices KAWASAKI PLANT, 4-1-1, Kamikodanaka Nakahara-ku, Kawasaki-shi Kanagawa 211-8588, Japan Tel: 81(44) 754-3763 Fax: 81(44) 754-3329 http://www.fujitsu.co.jp/ North and South America FUJITSU MICROELECTRONICS, INC. Semiconductor Division ...