EVALUATION KIT AVAILABLE

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1 AVAILABLE EVALUATION KIT AVAILABLE ; Rev 4; 7/3 MA729/MA722 μ μ μ μ PART TEMP RANGE MA729CNG C to +7 C MA729CWG C to +7 C MA729C/D C to +7 C MA729ENG -4 C to +5 C MA729EWG -4 C to +5 C MA729ERG -4 C to +5 C * PIN-PACKAGE 24 Narrow Plastic DIP 24 Wide SO Dice* 24 Narrow Plastic DIP 24 Wide SO 24 Narrow CERDIP TOP VIEW DIN 24 DOUT DIG 2 23 SEG D DIG 4 DIG 6 DIG 2 DIG 3 DIG 7 DIG 5 DIG LOAD (CS) MA729 MA SEG DP SEG E SEG C V+ ISET SEG G SEG B SEG F SEG A CLK MOSI μp I/O SCK 9.53kΩ ISET V+ +5V 9 DIG DIG 7 MA729 DIN MA722 LOAD (CS) CLK SEG A G, SEG DP 4 DIGITS SEGMENTS ( ) MA722 ONLY DIP/SO ( ) MA722 ONLY -DIGIT μp DISPLAY 本文是英文数据资料的译文, 文中可能存在翻译上的不准确或错误 如需进一步确认, 请在您的设计中参考英文资料 有关价格 供货及订购信息, 请联络 Maxim 亚洲销售中心 : ( 北中国区 ), ( 南中国区 ), 或访问 Maxim 的中文网站 :china.maximintegrated.com

2 MA729/MA722 ABSOLUTE MAIMUM RATINGS Voltage (with respect to ) V V to 6V DIN, CLK, LOAD, CS...-.3V to 6V All Other Pi...-.3V to (V+ +.3V) Current DIG DIG 7 Sink Current...5mA SEG A G, DP Source Current...mA Continuous Power Dissipation (T A = +5 C) Narrow Plastic DIP (derate 3.3mW/ C above +7 C)...66mW Wide SO (derate.mw/ C above +7 C)...94mW Narrow CERDIP (derate 2.5mW/ C above +7 C)...mW Operating Temperature Ranges (T MIN to T MA ) MA729C_G/MA722C_G... C to +7 C MA729E_G/MA722E_G...-4 C to +5 C Storage Temperature Range C to +6 C Lead Temperature (soldering, s)...+3 C Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditio beyond those indicated in the operational sectio of the specificatio is not implied. Exposure to absolute maximum rating conditio for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (V+ = 5V ±%, R SET = 9.53kΩ ±%, T A = T MIN to T MA, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MA UNITS Operating Supply Voltage V V Shutdown Supply Current I+ All digital inputs at V+ or, T A = +25 C 5 μa R SET = open circuit Operating Supply Current I+ All segments and decimal point on, I SEG_ = -4mA 33 ma Display Scan Rate f OSC digits scanned 5 3 Hz Digit Drive Sink Current I DIGIT V+ = 5V, V OUT =.65V 32 ma Segment Drive Source Current I SEG T A = +25 C, V+ = 5V, V OUT = (V+ - V) ma Segment Current Slew Rate (MA722 only) ΔI SEG /Δt T A = +25 C, V+ = 5V, V OUT = (V+ - V) 2 5 ma/μs Segment Drive Current Matching ΔI SEG 3. % Digit Drive Leakage (MA722 only) I DIGIT Digit off, V DIGIT = V+ - μa Segment Drive Leakage (MA722 only) I SEG Segment off, V SEG = V μa Digit Drive Source Current (MA729 only) I DIGIT Digit off, V DIGIT = (V+ -.3V) -2 ma Segment Drive Sink Current (MA729 only) I SEG Segment off, V SEG =.3V 5 ma 2 Maxim Integrated

3 MA729/MA722 ELECTRICAL CHARACTERISTICS (continued) (V+ = 5V ±%, R SET = 9.53kΩ ±%, T A = T MIN to T MA, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MA UNITS LOGIC INPUTS Input Current DIN, CLK, LOAD, CS I IH, I IL V IN = V or V+ - μa Logic High Input Voltage V IH 3.5 V Logic Low Input Voltage V IL. V Output High Voltage V OH DOUT, I SOURCE = -ma V+ - V Output Low Voltage V OL DOUT, I SINK =.6mA.4 V Hysteresis Voltage ΔV I DIN, CLK, LOAD, CS V TIMING CHARACTERISTICS CLK Clock Period t CP CLK Pulse Width High t CH 5 CLK Pulse Width Low t CL 5 CS Fall to SCLK Rise Setup Time (MA722 only) t CSS 25 CLK Rise to CS or LOAD Rise Hold Time t CSH DIN Setup Time t DS 25 DIN Hold Time t DH Output Data Propagation Delay t DO C LOAD = 5pF 25 Load-Rising Edge to Next Clock Rising Edge (MA729 only) t LDCK 5 Minimum CS or LOAD Pulse High t CSW 5 Data-to-Segment Delay t DSPD 2.25 ms Maxim Integrated 3

4 MA729/MA722 (V+ = +5V, T A = +25 C, unless otherwise noted.) SCAN FREQUENCY (Hz) SCAN FREQUENCY vs. POSITIVE SUPPLY VOLTAGE MA729/2 OUTPUT CURRENT (ma) SEGMENT DRIVER OUTPUT CURRENT vs. OUTPUT VOLTAGE R SET = kω R SET = 2kΩ R SET = 4kΩ MA729/ POSITIVE SUPPLY VOLTAGE (V) OUTPUT VOLTAGE (V) MA729 SEGMENT OUTPUT CURRENT MA722 SEGMENT OUTPUT CURRENT MAIMUM INTENSITY = 3/32 MA729/2 3 MAIMUM INTENSITY = 5/6 MA729/2 4 ma/div ma/div 5μs/div 5μs/div 4 Maxim Integrated

5 MA729/MA722 DIN 2, 3, 5,, DIG DIG 7 4, 9 LOAD (MA729) 2 CS CS CS (MA722) 3 CLK CS 4 7, 2 23 SEG A SEG G, DP ISET 9 V+ 24 DOUT SEG A SEG G, DP DIG DIG 7 SEGMENT DRIVERS DIGIT DRIVERS LOAD (CS) SEGMENT CURRENT REFERENCE V+ R SET CODE B ROM WITH BYPASS x DUAL-PORT SRAM ADDRESS REGISTER DECODER SHUTDOWN REGISTER MODE REGISTER INTENSITY REGISTER SCAN-LIMIT REGISTER DISPLAY-TEST REGISTER INTENSITY PULSE- WIDTH MODULATOR MULTIPLE SCAN CIRCUITRY 4 DIN D D D2 D3 D4 D5 D6 D7 D D9 D D D2 D3 D4 D5 DOUT CLK ( ) MA722 ONLY (LSB) (MSB) Maxim Integrated 5

6 MA729/MA722 CS OR LOAD t CSW t CSH t CSS t CL t CH t CP t LDCK CLK t DH t DS DIN D5 D4 D D t DO DOUT D5 D4 D3 D2 D D D9 D D7 D6 D5 D4 D3 D2 D D ADDRESS MSB MSBDATA LSB CS CS CS μ 6 Maxim Integrated

7 MA729/MA722 REGISTER D5 D2 D ADDRESS D No-Op Digit Digit Digit 2 Digit 3 Digit 4 Digit 5 Digit 6 Digit 7 Decode Mode Inteity Scan Limit Shutdown Display Test D9 D HE CODE x x x2 x3 x4 x5 x6 x7 x x9 xa xb xc xf MODE REGISTER DATA ADDRESS CODE (HE) D7 D6 D5 D4 D3 D2 D D Shutdown Mode xc Normal Operation xc DECODE MODE D7 D6 No decode for digits 7 Code B decode for digit No decode for digits 7 Code B decode for digits 3 No decode for digits 7 4 Code B decode for digits 7 REGISTER DATA HE D5 D4 D3 D2 D D CODE x x xf xff Maxim Integrated 7

8 MA729/MA722 7-SEGMENT CHARACTER D7* REGISTER DATA D6 D4 D3 D2 D D DP* A B ON SEGMENTS = C D E F G E H L P blank * E F D Corresponding Segment Line G A D7 DP C B DP D6 A STANDARD 7-SEGMENT LED REGISTER DATA D5 D4 D3 D2 B C D E D F D G Ω Maxim Integrated

9 MA729/MA722 DUTY CYCLE MA729 MA722 /32 (min on) /6 (min on) 3/32 2/6 5/32 3/6 7/32 4/6 9/32 5/6 /32 6/6 3/32 7/6 5/32 /6 7/32 9/6 9/32 /6 2/32 /6 23/32 2/6 25/32 3/6 27/32 4/6 29/32 5/6 3/32 5/6 (max on) D7 D6 D5 D4 D3 D2 D D HE CODE x x x2 x3 x4 x5 x6 x7 x x9 xa xb xc xd xe xf SCAN LIMIT Display digit only* Display digits & * Display digits 2* Display digits 2 3 Display digits Display digits Display digits Display digits * D7 REGISTER DATA HE D6 D5 D4 D3 D2 D D CODE x x x2 x3 x4 x5 x6 x7 Maxim Integrated 9

10 MA729/MA722 NUMBER OF DIGITS DISPLAYED 2 3 MODE Normal Operation Display Test Mode D7 D6 MAIMUM SEGMENT CURRENT (ma) 2 3 REGISTER DATA D5 D4 D3 D2 CS D D CS μ μ Ω Maxim Integrated

11 MA729/MA722 I SEG (ma) V LED (V) THERMAL RESISTANCE PACKAGE (θ JA ) 24 Narrow DIP +75 C/W 24 Wide SO +5 C/W 24 CERDIP + C/W Maximum Junction Temperature (T J ) = +5 C Maximum Ambient Temperature (T A ) = +5 C PD = (V+ x ma) + (V+ - VLED)(DUTY x ISEG x N) PD = (5.25V x ma) + (5.25V -.V)(3/32 x 4mA x ) =.W θ TJ(MA) = TA + PD x θja 5 C = TA +.W x C/W μ Maxim Integrated

12 MA729/MA722 N5524B 5.6V ±5% AND237SLC ANODE DP ANODE A ANODE F AND237SLC ANODE DP ANODE A ANODE F 6 ANODE B ANODE B ANODE G ANODE G 4 ANODE C ANODE C 2 ANODE E ANODE E ANODE D CATHODE 3 ANODE D CATHODE DATA IN LOAD (CS) CLOCK SEG D SEG E SEG C SEG G SEG B SEG F SEG A SEG DP DIN LOAD (CS) CLK MA729 MA722 V+ I SFT DIG DIG 9 * 2 3kΩ 4 * V 4.7kΩ.μF 4.7kΩ 6 NC COM NC2 IN MA394 IN2 COM2 NO NO2 3 IRF54 5 *4.7kΩ PULLUP REQUIRED FOR MA722 ( ) MA722 ONLY -5V IRF54 2 Maxim Integrated

13 MA729/MA722 DATA IN DIN DOUT DIN DOUT DIG DIG 4 SEG D SEG DP DIG DIG 4 SEG D SEG DP DIG 6 SEG E SEG C 5V DIG 6 SEG E SEG C 5V DIG 2 DIG 3 DIG 7 V+ ISET SEG G SEG B 9.53kΩ.μF DIG 2 DIG 3 DIG 7 V+ ISET SEG G SEG B 9.53kΩ.μF LOAD DATA ( ) MA722 ONLY CLOCK DIG 5 DIG LOAD (CS) SEG F SEG A CLK MA729 MA722 DIG 5 DIG LOAD (CS) SEG F SEG A CLK MA729 MA722 Maxim Integrated 3

14 MA729/MA722 PART MA722CNG MA722CWG MA722C/D MA722ENG MA722EWG MA722ERG TEMP RANGE C to +7 C C to +7 C C to +7 C -4 C to +5 C -4 C to +5 C -4 C to +5 C PIN-PACKAGE 24 Narrow Plastic DIP 24 Wide SO Dice* 24 Narrow Plastic DIP 24 Wide SO 24 Narrow CERDIP DIG 5 DIG 7 DIG 3 DIG 2 DIG 6 DIG 4 * DIG LOAD OR CS CLK DIG DIN DOUT.93" (2.36mm) SEG A SEG D SEG F SEG B ISET SEG G." (2.3mm) SEG C SEG DP SEG E TRANSISTOR COUNT: 5267 SUBSTRATE CONNECTED TO 4 Maxim Integrated

15 MA729/MA722 ( china.maxim-ic.com/packages ) N DIM A A B INCHES MIN MA MILLIMETERS MIN MA SOICW.EPS C E H e.5.27 E H L TOP VIEW D VARIATIONS: DIM D D D INCHES MILLIMETERS MIN MA MIN MA N MS AA AB AC D AD D AE A C e B A - FRONT VIEW L SIDE VIEW PROPRIETARY INFORMATION TITLE: PACKAGE OUTLINE,.3" SOIC APPROVAL DOCUMENT CONTROL NO. REV B Maxim Integrated 5

16 MA729/MA722 ( china.maxim-ic.com/packages ) PDIPN.EPS Maxim 北京办事处北京 32 信箱邮政编码 3 免费电话 : 3 电话 : 传真 : Maxim 不对 Maxim 产品以外的任何电路使用负责, 也不提供其专利许可 Maxim 保留在任何时间 没有任何通报的前提下修改产品资料和规格的权利 电气特性表中列出的参数值 ( 最小值和最大值 ) 均经过设计验证, 数据资料其它章节引用的参数值供设计人员参考 6 Maxim Integrated 6 Rio Robles, San Jose, CA 9534 USA Maxim Integrated Maxim 标志和 Maxim Integrated 是 Maxim Integrated Products, Inc. 的商标