ASD5020L640INT Arctic Silicon Devices, ASD5020L640INT Datasheet - Page 22

• Manufacturer Part Number: ASD5020L640INT
• Description: ADC (A/D Converters) Mul-Md 12bit/640MSPS 8-bit 1000 MSPS ADC
• Manufacturer: Arctic Silicon Devices

Specifications of ASD5020L640INT

• Number Of Converters: 1
• Number Of Adc Inputs: 2
• Conversion Rate: 640 MSPs
• Resolution: 12 bit
• Snr: 70 dB
• Voltage Reference: 1 V
• Supply Voltage (max): 2 V
• Supply Voltage (min): 1.7 V
• Maximum Power Dissipation: 490 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-48
• Input Voltage: 1.8 V
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Preliminary Product Specification
If the ASD5020 device is used at a low sampling rate the register bit low_clk_freq has to be set to '1'. See table 18 for
when to use this register bit for the different modes of operation.
ASD5020
Table 16: Maximum sampling rate vs number of output bits for different ASD5020 configurations
High speed, single channel
High speed, dual channel
High speed, quad channel
Number of bits
Dual 8
Mode of operation
12
14
16
High speed, single channel
High speed, dual channel
High speed, quad channel
Mode of operation
Table 18: Use of register bit low_clk_freq
Single channel
Table 17: Output data frame rate
High speed
[MSPS]
660
560
500
-
rev 2.0, 2010.11.08
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Frame-rate (FCLK frequency)
Limit when low_clk_freq should be
Dual channel
High speed
[MSPS]
330
280
250
-
F
F
F
activated
S
S
S
/ 8
/ 4
/ 2
F
F
F
S
S
S
< 240 MHz
< 120 MHz
< 60 MHz
Quad channel
High speed
[MSPS]
165
140
125
-
High Speed Mode