cxa1843q Sony Electronics, cxa1843q Datasheet
cxa1843q
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cxa1843q Summary of contents
Page 1
... High-Speed Sample-and-Hold IC For the availability of this product, please contact the sales office. Description The CXA1843Q is a bipolar IC designed to sample- and-hold video and various other signals with high speed ideal for video and other signal conversions. Features • Maximum operating rate = 33MHz (min.) • ...
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... EE1 500µ 500µ CGND DV EE2 AV CC3 SHOUT DV EE2 – 2 – CXA1843Q Description Analog positive power supply. Internal resistance GND for sample-and-hold. Sample-and-hold-input. Analog negative power supply. Internal capacitance GND for sample-and-hold. Connect to AGND. Connect to AGND. Connect to AGND. Connect to AGND. ...
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... DV CC2 1k 130 REX2 0.5V GND DV EE2 – 3 – CXA1843Q Description Analog positive power supply. Analog negative power supply. Connect the base of the external PNP transistor to create a –2V power supply. Connect the emitter of the external PNP transistor to create a –2V power supply. Connect to AGND. ...
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... GND DV EE2 DV CC3 130 CLKIN GND 300µ DV EE2 – 4 – CXA1843Q Description GND A/D converter clock (A/D CLK) output. Digital positive power supply. Digital positive power supply. Connect to DGND Digital negative power supply. Connect external resistor that determines the time interval ( between master clock (MCLK) rise and sample-and-hold internal clock (S/H CLK) rise ...
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... 33MHz CLK 20Log (V (16.5MHz)/V (200kHz)), O O Sampling time = 14ns C = 50pF 2.5V REFIN V = 2.5V REFIN CLKIN CLKIN V – 5 – CXA1843Q (Ta = 25° 5V –5V Min. Unit Typ. Max. MHz –28 –23 – µA –2.2 0.2 V –20 ...
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... T T PWL PWH Sample Sample Hold Hold taqr tdr 10% 90 90% 10% t (max (min – – 1 – 6 – CXA1843Q Tsd Threshold voltage = 1.5V Sample Hold Threshold voltage 2Vp Threshold voltage = V – 1.2V CC Threshold DN voltage = 1. Threshold voltage = 1 ...
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... REFTS REFT REF1 REF2 REF3 REFB REFBS – 7 – CXA1843Q ...
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... A/D converter DV CC2 pins must be connected to the AGND or DGND respectively via ceramic EE (Pin 3) of the sample-and-hold circuit –2V – 2V. REFFB 100 (typ.)) is required as shown in the Application Circuit. voltage. CC1 – 8 – CXA1843Q and CC and EE should be as short as possible. IN ...
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... CC –21 –22 –23 – –25 –19 –20 –21 –22 –23 –24 –25 5.25 –5.25 100 5.25 –5.25 – 9 – CXA1843Q I vs [° –5 –4. vs. V OFFSET EE VIN = –2V VIN = –1V VIN = 0V –5 – ...
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... V – Input voltage [V] REFFIN A/D converter reference voltage vs REFFIN –2.004 –2.005 –2.006 –2.007 –2.008 –2.009 –2. 2.5V) EE REFFIN –5 –4.75 V [V] EE – 10 – CXA1843Q 2 2.5V) 5 5.25 [V] CC ...
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... 0.5 0 –0.5 –1 5.25 –5.25 S/H output delay variation vs. Ta 1.5 1 0.5 0 –0.5 –1 –1.5 REX3 [ –25 0 2.8 REX4 [k ] – 11 – CXA1843Q -T ) variation vs (Ta = 25°C typ [° variation vs –5.0V typ.) EE –5 –4.75 V [V] EE (Ta = 25°C typ [° ...
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... S/H output delay variation vs 5.0V typ 0.5 0 –0.5 –1 4. [V] CC Input frequency vs. S/N ratio for CXA1843Q + CXA1844Q (clock frequency = 33MHz) 60 Amplitude = 2Vp-p Amplitude = 1Vp 0.001 0.01 S/H output delay variation vs 0.5 0 –0.5 –1 5.25 –5.5 0.1 1 Input frequency [MHz] – 12 – CXA1843Q ...
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... S/H + A/D EVALUATION BOARD The S/H + A/D Evaluation Board is a printed circuit board for evaluating the 10-bit 33MSPS high speed sample-and-hold IC (CXA1843Q) and 2-step A/D converter (CXA1844Q). This board is designed to enable users to make full use of the performance of CXA1843Q + CXA1844Q and evaluate them easily. Features • Resolution • ...
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... Digital output (CON5) TTL compatible C-MOS (ACT series) output Typ. Max. Unit Typical current +5.0 +5.25 V 220 –5.0 –4.75 V –400 pin. IN resistor to side A and a 0.1µF capacitor Typ. Max. Amplitude 1.0 1.0 0 2.0 2.0 – 14 – CXA1843Q Unit mA mA pin setting Unit short open V 0.1µF 10k ...
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... This is the selection of the frequency division ratio for the clock which is supplied to the D/A converter. Normally, 1/1 is used but the ratios from 1/2 to 1/16 are also used for the envelope test or other tests. terminating resistor is required. The full-scale output voltage must Typ. Max. Unit 0 V – 15 – CXA1843Q ...
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... CXA1843Q + CXA1844Q PCB Timing Chart Analog input (0 to –2V) CLK input (TTL) MCLK (TTL CLK (internal) SH Analog out (0 to –2V CLK Tpwh (PECL) tdmax AD Data out tdmin (TTL) Latch CLK input (TTL) Latch Data out (TTL) CON5 Data out ...
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... R6, 7, 17, 20 Chip resistor RN1 to 3 RGLD 4X621J C2 17, 19 Chip capacitor 33, 41 Tantalum capacitor C18 Ceramic capacitor SF-T5-30-03 – 17 – CXA1843Q (Function) 51 100 270 470 1k 4.7k 10k 51k 150k 1.5k 1.6k 2.7k 620 0.1µF 1µ ...
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... S/H + A/D EVALUATION BOARD (Component Side) S/H + A/D EVALUATION BOARD (Solder Side) – 18 – CXA1843Q ...
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... CC1 CC2 EE EE CC4 CC1 CC2 – 19 – CC2 CC EE CC2 CC EE EE2 CC EE1 CC1 CXA1843Q ...
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... SONY CODE EIAJ CODE JEDEC CODE 32PIN QFP (PLASTIC) + 0.3 7.0 – 0 0.15 0.3 – 0.1 0.24 M PACKAGE MATERIAL LEAD TREATMENT QFP-32P-L01 QFP032-P-0707 LEAD MATERIAL PACKAGE MASS – 20 – CXA1843Q 0.1 + 0.35 1.5 – 0.15 + 0.2 0.1 – 0.1 + 0.1 0.127 – 0.05 0° to 10° EPOXY RESIN SOLDER PLATING 42 ALLOY 0.2g ...