CA3306 Datasheet, PDF (15/16 Pages) Intersil Corporation – 6-Bit, 15 MSPS, Flash A/D Converters

CA3306, CA3306A, CA3306C
Application Circuits (Continued)
S/H, V_IN
B6’
NO. 1
6-BIT
FLASH _B1’
ADC
+^-
∑
X32
NO. 2
6-BIT
FLASH
ADC
6-BIT DAC
(12 BIT ACCURACY)
B6
B1
B7
NO. 3
6-BIT
B6
FLASH
ADC
B1
BINARY
ADDER
B12
B6 + 0
B5 + 0
B4 + 0
B3 + 0
B2 + 0
B1 + B7
B6
B1
CONTROL
LOGIC
FIGURE 19. TYPICAL CA3306, 800ns, 12-BIT ADC SYSTEM
CA3306 INPUTS
TYPICAL FOR:
PHASE
CE1
CE2
5V
V_DD
CA3306
1K
V_DD
7406
OPEN COLLECTOR DRIVER
CA3306 OUTPUTS
TYPICAL FOR:
B1
B2
B3
B4
B5
B6
OF
CA3306
V_DD
5V
CA3306 INPUT
TYPICAL FOR:
CLK
5V
CA3306
50kΩ
0.01µF
74LS04
CD74HC 4049 (INV.), OR
CD74HC4050 (NON-INV.), OR
ANY LOW POWER SCHOTTKY
TTL WITH HIGH INPUT VOLTAGE
RATING (MANY LS DEVICES ARE
RATED TO ACCEPT VOLTAGES
UP TO 15V).
FIGURE 20. 5V LOGIC INTERFACE CIRCUIT FOR V_DD > 5.5V
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