HA19216/MP 6-Bit Flash Type Analog-to Digital Converter Description The HA19216/MP bipolar LSI performs high speed 6-bit A/D conversion. Digital data output and clock input terminals are compatible with TTL and CMOS. The HA19216/MP are designed for video signal processing application. Features • 6-bit resolution (including overflow) • 6-bit latched three-state outputs • Maximum conversion Rate: 20 Msps (Min) • Single Power Supply: +5 V • Digital data output, high impedance state control and clock input terminals compatible with TTL and CMOS • Needs no sample and hold circuit • 18-pin DIP package and 28-pin surface mount package. • Output current: IOL = 1.4 mA (guaranteed) IOH = –5 mA (guaranteed) Application • Pattern recognition using a computer • High-speed measuring instruments Ordering Information Type No. Package HA19216 300mil 18 pin plastic DIP (DP-18A) HA19216MP 28 pin plastic QFI (MP-28) HA19216/MP Pin Arrangement 14 B2 CE1 6 13 B1 CLK 7 12 VCC PHASE 8 11 VIN VRT 9 10 VRB NC B4 26 6 23 CE2 7 NC 8 22 21 B1 9 10 11 20 NC 19 18 VCC CE1 NC CLK (Top View) 17 5 NC VIN CE2 27 B3 NC VRM B3 16 15 25 24 NC 4 B5 NC 28 VRM 4 5 15 16 NC GND VRB 3 B6 GND NC B4 1 17 2 2 14 OF VRT B5 13 18 12 1 NC PHASE B6 OF • HA19216MP 3 • HA19216 B2 NC (Top View) Pin Function Pin No. HA19216 HA19216MP Symbol Function 1 1 B6 Bit 6 digital output (MSB) 2 3 OF Digital output (Overflow) 3 5 GND Ground 4 — NC Not connected 5 7 CE2 Digital output high Impedance control input 6 9 CE1 Digital output high Impedance control input 7 11 CLK Clock input 8 13 PHASE Clock phase control input 9 14 VRT High level reference voltage input 10 15 VBR Low level reference voltage input 11 17 VIN Analog input 12 19 VCC Power supply 13 21 B1 Bit 1 digital output (LSB) 2 Remarks HA19216/MP Pin Function (Cont) Pin No. HA19216 HA19216MP Symbol Function Remarks 14 22 B2 Bit 2 digital output 15 23 B3 Bit 3 digital output 16 24 VRM Reference voltage center tap 17 26 B4 Bit 4 digital output 18 28 B5 Bit 5 digital output Note: CE1 CE2 B1 – B6 OF × L Z Z L H H/L H/L H H Z H/L H: L: ×: Z: High level Low level Don’t care High impedance 3 HA19216/MP Block Diagram VCC 12 (11) CLK (19) 7 (13) PHASE 8 (17) VIN 11 VRT 9 High Impedance State Buffer R/2 (14) R R Comp. 64 DQ DQ Comp. 63 R 16 R Encoder Logic Comp. 33 1 B6 (MSB) CLK (1) DQ 18 B5 DQ (28) 17 B4 CLK R DQ (26) 15 B3 CLK R Comp. 2 DQ (15) VRB 10 R/2 (23) 14 B2 CLK Comp. 1 DQ (22) 13 B1 (LSB) CLK Comparators and Latches (21) 6 3 GND ❍ indicates HA19216 pin number ( ) indicates HA19216MP pin number 4 CE1 (9) 5 (5) OF (3) CLK (24) VRM 2 CLK CE2 (7) HA19216/MP Interface VCC VIN 11 64 Comparators Figure 1 Analog Input VCC VCLK 7 100Ω VPHASE 8 Figure 2 Clock Input VCC VCE1 6 100Ω VCE2 5 Figure 3 High Impedance State Control Input 5 HA19216/MP VCC 2 OF 1 B6 High Impedance State Control 18 B5 17 B4 Same as Pin 2 15 B3 14 B2 13 B1 Figure 4 Digital Output Absolute Maximum Ratings (Ta = 25°C, unless otherwise specified) Item Symbol Rating Unit Supply voltage VCC +7.0 V Input signal voltage* VIN 0 to V CC V Input reference voltage* VR 0 to V CC V Digital input voltage VI 0 to V CC V Voltage applied to digital output pin in high impedance VO 0 to V CC V Power dissipation PT 550 mW Operating temperature Topr 0 to +70 °C Storage temperature Tstg –55 to +125 °C Reference voltage difference VRT – VRB 1.3 V Reference center tap voltage VRM Open state voltage ± 0.1 V Note: VIN and VR should not be lower than 1.5 V at the same time. 6 HA19216/MP Electrical Characteristics (Ta = 25°C, V CC = 5.0 V, VRT = 3.0 V, V RB = 2.0 V, unless otherwise specified) Item Symbol Resolution Min Typ Max Unit 6 6 6 bits Test Condition Operating supply voltage VCC 4.75 5.0 5.25 V Quiescent current I CC — 50 84 mA High VIH 2.0 — VCC V Low VIL 0 — 0.8 V High I IH — — 100 µA VI = 2.7 V Low I IL –100 — — µA VI = 0.4 V Digital output voltage High VOH 3.4 3.8 — V I OH = –5 mA Low VOL — 0.61 0.76 V I OL = 1.4 mA Digital output current High I OZH — — 100 µA VO = 5.0 V (High impedance) Low I OZL –100 — — µA VO = 0.5 V Reference current RT I RT — 8 12 mA VIN = 1.9 V RB I RB –12 –8 — mA VIN = 3.1 V Input current I IN — 20 50 µA VIN = 3.1 V Input capacitance CIN — 15 — pF VRB < VIN < VRT , f(VIN) = 1 MHz Differential D.N.L. –0.25 — +0.25 LSB Integral I.N.L. — — 1.0 LSBP-P Maximum conversion rate fCLK max. 20 — — Msps Digital output propagation delay tPD — 34 50 ns CL = 15 pF Digital output rise time t TLH — 10 15 ns CL = 15 pF Digital output fall time t THL — 17 25 ns CL = 15 pF Digital output enable time tZH — 12 20 ns (High impedance) tZL — 48 70 ns Digital output disable time t HZ — 32 43 ns (High impedance) t LZ — 23 33 ns Vphase t WH 28 32 — ns = 0.8 V t WL 15 18 — ns Vphase t WH 10 13 — ns = 2.0V t WL 33 37 — ns Digital input voltage Digital input current Static linearity error Clock pulse width f CLK = 20 Msps 7 HA19216/MP Measurement Output +5V SW1 R 1 2.4kΩ Measurement Point • CL includes probe capacitance, floating capacitance of measurement equipment. • For t ZL, tLZ measurement: SW1 = on SW2 = off, For t ZH, tHZ measurement: SW1 = off, SW2 = on R 2 1.0kΩ SW2 CL 15pF Figure 5 Measurement Load for Digital Output, Enable Time, Disable Time 1 0 PHASE (pin 8) Comparator Data is Latched 1 0 1 0 CLK (pin 7) Sample 2 Sample 1 B1–B6, OF 1 Data Valid 2 Data Valid 1 t PD Sample 3 Data Valid 3 t PD PHASE (pin 8) 0 Comparator Data is Latched 1 CLK (pin 7) 0 1 Sample 1 B1–B6, OF Sample 2 Data Valid 1 0 t PD Figure 6 Timing Diagram 8 Data Valid 2 Sample 3 Data Valid 3 HA19216/MP Video Signal Generator HA19216 A/D Converter 6 D/A Converter TEKTRONIX 520A Vectorscope 20MHz Clock Generator Figure 7 Measuring Circuit for DG and DP Signal Generator HA19216 A/D Converter 6 D/A Converter Oscilloscope 20MHz Clock Generator Figure 8 Measuring Circuit for Analog Input Frequency Response 9 HA19216/MP High Frequency Input Response 40IRE Modulated NTSC Ramp fCLK = 20 Msps Unlocked Figure 9 High Frequency Analog Input Response Differential Phase 40IRE Modulated NTSC Ramp fCLK = 20 Msps Unlocked Figure 10 High Frequency Analog Input Response Differential Gain 10 HA19216/MP Beat-frequency wave form of 5.05 MHz input signal-sampling at 20 MHz 50 mV Input (1 Vpp sine wave) 2 µs Figure 11 Beat-Frequency Waveform of 5.05 MHz Input Signal-Sampled at 20 MHz 50 mV Beat-frequency wave form of 10.14 MHz input signal-sampling at 20 MHz Input (1 Vpp sine wave) 1 µs Figure 12 Beat-Frequency Waveform of 10.14 MHz Input Signal-Sampled at 20 MHz 11 HA19216/MP When using this document, keep the following in mind: 1. 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