MB88141A Fujitsu Media Devices, MB88141A Datasheet
MB88141A
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MB88141A Summary of contents
Page 1
... The 12 analog output channels have built-in OP Amps, providing large current drive capability. Data input is compatible with I The built-in I/O expander function allows the MB88141A to be controlled by devices incompatible with I specifications (provides conversion between I The MB88141A is ideal for replacing electronic knob or pre-set variable resistance tuning devices. ...
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... MB88141A (Continued) • single power supply • Power supply/GND for MCU interface and OP Amp is separate from power supply/GND for D/A converter • Power supply for D/A converter is divided into two systems for V AO12) , allowing separate level settings for each system • Compatible with serial data input, I • ...
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... AO2 AO3 AO4 AO5/D7 AO6/D6 AO7/D5 AO8/D4 AO9/D3 AO10/D2 AO11/D1 AO12/D0 (Top View (DIP-24P-M02) (FPT-24P-M01) (FPT-24P-M03) MB88141A GND VSS1 VDD1 SDA SCL MOD CS2 CS1 CS0 VDD2 VSS2 VCC 3 ...
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... Input “L” to operate as a D/A converter, “H” to operate as I/O expander and D/A converter. These pins set the lower 3 bits of the slave address This allows up to eight MB88141A chips to be used on the same bus line. O 8-bit D/A outputs with OP Amp. * 8-bit D/A outputs with OP Amp. * ...
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... MOD 8-bit latch VDD1 R-2R VSS1 ladder circuit VCC GND AO1 Bus Interface D/A & I/O Control Logic 8-bit latch 8-bit latch R-2R R-2R ladder circuit ladder circuit AO4 D7/AO5 MB88141A D0 D7 8-bit latch VDD2 R-2R VSS2 ladder circuit 8 D0/AO12 5 ...
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... MB88141A I/O CIRCUIT TYPE Type Circuit Pch Tr Input dedicated pin Nch Tr Digital input Pch Tr Input dedicated pin • bus pin • Hysteresis input Nch Tr Digital input Pch Tr Input/output pin • bus pin • Hysteresis input Digital output Nch Tr • ...
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... Pch Tr Analog/digital output Analog/digital Analog/digital input/output pin output Nch Tr Analog feedback Digital input 2 C bus line power supply VCCS can enter the VCC side of the device power VCCS VCC VCC MB88141A MB88141A Remarks 2 SDA (I C bus line) 2 SCL (I C bus line) 7 ...
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... MB88141A DATA CONFIGURATION The MB88141A has the following data configuration the two operating modes (D/A converter (12-channel) and I/O expander plus D/A converter), selected by the MOD pin. 1. For D/A Converter (12-channel) Operation (MOD ( Bus Format First S6 S0 R/W S Slave address (7 bits Sent from master device S : “ ...
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... All channels selected * 1 AO1 selected 0 AO12 selected 1 Don’t Care 0 Don’t Care 1 All channels selected * AO1 data A : Sent from MB88141A (slave device) : “Stop” condition D0 D/A output 256) REF 256) REF 256) REF ...
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... C bus input 1 Parallel data input 10 “H” Digital data (8 bits Channel selection bits) : Sent from MB88141A (slave device “Stop” condition D/A converter 4 channels (AO1 to AO4) 8 channels (AO1 to AO8) parallel data output bus output Last Last ...
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... Don’t care (AO5 selected) 0 Don’t care (AO8 selected) 1 Don’t Care 0 Don’t Care 1 I/O expander continuous operation A Digital data A A Digital data A : Sent from MB88141A (slave device) : “Stop” condition MB88141A Digital data A P Digital data “Acknowledge” output 11 ...
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... Note: • The SDA input acknowledge response (ACK output signal from the MB88141A. • The D0-D7 input and output timing represent the timing of switching to write and read operations respectively. Also, D0-D7 input remains in HiZ state between the end of a read operation and the acknowledgment of the next I/O write signal ...
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... DD1 CC DD1 SS1 DD1 SS1 SS1 DD2 CC DD2 SS2 DD2 SS2 SS2 I Source current AL I Sink current MB88141A Rating Unit Min. Max. 0.3 7 0.3 7 0.3 7 0 0 250 120 C Value Unit Min. ...
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... MB88141A ELECTRICAL CHARACTERISTICS 1. DC Characteristics (1) Digital Circuits Parameter Symbol Supply voltage V CC Supply current I CC Input leak current I ILK “L” level input voltage V IL “H” level input voltage V IH Input hysteresis width V HYS “H” level output voltage V OH ...
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... A AH “00” AO1 I 1 AO12 I 500 A AL Digital data I 500 A AH “FF” MB88141A VSS2 Value Unit Min. Typ. Max ...
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... MB88141A 2. AC Characteristics Parameter SCL clock frequency Bus free time between “stop” condition and “start” condition Hold time (resend) “start” condition. The first clock pulse is generated after this interval. SCL clock low hold time SCL clock high hold time Resend “ ...
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... AO1 to AO12 Note: The discrimination levels are 70 Acknowl- Acknowl- edge edge DAT HD DAT Digital input and MB88141A STA HD STA STO Digital output 90% Analog output 10% 17 ...
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... MB88141A ORDERING INFORMATION Part number MB88141AP MB88141APF MB88141APFV 18 Package 24-pin plastic DIP (DIP-24P-M02) 24-pin plastic SOP (FPT-24P-M01) 24-pin plastic SSOP (FPT-24P-M03) Remarks ...
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... MAX 1994 FUJITSU LIMITED D24015S-2C-3 C +.008 1.189 –.012 13.55±0.25 (.533±.010) 0.51(.020)MIN +0.50 1.50 0.45±0.08 –0 +.020 (.018±.003) .059 –0 2.54(.100) TYP MB88141A 0.25±0.05 (.010±.002) 15°MAX 15.24(.600) TYP Dimensions in mm (inches) (Continued) 19 ...
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... MB88141A (Continued) 24-pin plastic SOP (FPT-24P-M01) +0.25 15.24 .600 –0.20 INDEX 1.27(.050) TYP "A" 0.10(.004) 13.97(.550)REF 2000 FUJITSU LIMITED F24007S-3C +.010 –.008 5.30±0.30 7.80±0.40 (.209±.012) (.307±.016) 0.45±0.10 Ø0.13(.005) M (.018±.004) 2.25(.089)MAX (Mounting height) 0.05(.002)MIN (STAND OFF) +0 ...
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... NOM "A" +0.10 +0.05 0.22 0.15 –0.05 –0.02 +.004 +.002 .009 .006 –.002 –.001 MB88141A Details of "A" part 0.10±0.10(.004±.004) (STAND OFF) 0 10° 0.50±0.20 (.020±.008) Dimensions in mm (inches) 21 ...
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... MB88141A FUJITSU LIMITED For further information please contact: Japan FUJITSU LIMITED Corporate Global Business Support Division Electronic Devices Shinjuku Dai-Ichi Seimei Bldg. 7-1, Nishishinjuku 2-chome, Shinjuku-ku, Tokyo 163-0721, Japan Tel: +81-3-5322-3347 Fax: +81-3-5322-3386 http://edevice.fujitsu.com/ North and South America FUJITSU MICROELECTRONICS, INC. ...