ADC10064

Features:

Built-in sample-and-hold
Single +5V supply
1, 2, or 4-input multiplexer options
No external clock required
Speed adjust pin for faster conversions (ADC10062 and ADC10064). See ADC10662/4 for high speed guaranteed performance.




Application

Digital signal processor front ends
Instrumentation
Disk drives
Mobile telecommunications




Pinout






Specifications

Supply Voltage (V⁺ = AV_CC = DV_CC) −0.3V to +6V
Voltage at Any Input or Output−0.3V to V+ + 0.3V
Input Current at Any Pin (Note 3) 5 mA
Package Input Current (Note 3) 20 mA
Power Dissipation (Note 4) 875 mW
ESD Susceptability (Note 5)2000V
Soldering Information (Note 6)
Vapor Phase (60 Sec) 215
Infrared (15 Sec) 220
Storage Temperature Range −65°C to +150
Junction Temperature150

Resolution	10 bits
Input Channels	4
Interface Type	Parallel
Differential Input	No
INL (LSB)	+/-1.5
Max KSample Rate	1667 ksps
Min Supply Voltage	4.5 Volt
Max Supply Voltage	5.5 Volt
Reference Source	External
Temperature Min	-40 deg C
Temperature Max	85 deg C
Power Down	No
Input Sample/Hold	Yes
Special Features	Undefined
Data Converter Type	ADC
Max Sample Rate	1.667 MSPS
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Description

Using an innovative, patented multistep* conversion tech-nique, the 10-bit ADC10061, ADC10062, and ADC10064 CMOS analog-to-digital converters offer sub-microsecond conversion times yet dissipate a maximum of only 235 mW.

The ADC10061, ADC10062, and ADC10064 perform a 10-bit conversion in two lower-resolution "flashes", thus yielding a fast A/D without the cost, power dissipation, and other problems associated with true flash approaches.

The ADC10061 is pin-compatible with the ADC1061 but much faster, thus providing a convenient upgrade path for the ADC1061. The analog input voltage to the ADC10061, ADC10062, and ADC10064 is sampled and held by an internal sampling circuit. Input signals at frequencies from dc to over 200 kHz can therefore be digitized accurately without the need for an external sample-and-hold circuit.

The ADC10062 and ADC10064 include a "speed-up" pin. Connecting an external resistor between this pin and ground reduces the typical conversion time to as little as 350 ns with only a small increase in linearity error. For ease of interface to microprocessors, the ADC10061, ADC10062, and ADC10064 have been designed to appear as a memory location or I/O port without the need for exter-nal interface logic.