Rainbow Electronics MAX108 - Manual (Page 9)

MAX108
±5V, 1.5Gsps, 8-Bit ADC with
On-Chip 2.2GHz Track/Hold Amplifier
_______________________________________________________________________________________ 9
Typical Operating Characteristics (continued)
(V CC A = V CC I = V CC D = +5V, V EE = -5V, V CC O = +3.3V, REFIN connected to REFOUT, f S = 1.5Gsps, T A = +25°C, unless otherwise
noted.)
-0.5
-0.2
-0.3
-0.4
-0.1
0
0.1
0.2
0.3
0.4
0.5
0 32 64 96 128 160 192 224 256
DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
(LOW-FREQUENCY SERVO-LOOP DATA)
MAX108toc25
OUTPUT CODE
DNL (LSB)
DREADY
200mV/div
DATA
200mV/div
DREADY RISE/FALL TIME,
DATA-OUTPUT RISE/FALL TIME
MAX108 toc26
500ps/div
1.0
1.1
1.2
1.3
1.4
1.5
0 1000 500 1500 2000 2500
VSWR vs. ANALOG INPUT FREQUENCY
MAX108toc27
ANALOG INPUT FREQUENCY (MHz)
VSWR
-128.0
-102.4
-51.2
-76.8
-25.6
0
0 300 150 450 600 750
TWO-TONE INTERMODULATION FFT PLOT
(f IN1 = 247.1008301MHz, f IN2 = 253.3264160MHz,
7dB BELOW FULL SCALE, RECORD LENGTH 16,384)
MAX108 toc28
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
f IN 1
f IN 2
Pin Description
NAME FUNCTION
A1–A4, A6, A7, B1, B2, C1, C2, D1–D3,
G1, H1, J2, J3, K1–K3, L2, L3, M1, N1,
T2, T3, U1, V1, V2, W1–W4
GNDI
Analog Ground. For T/H amplifier, clock distribution, bandgap
reference, and reference amplifier.
A5, B5, C5, H2, H3, M2, M3, U5, V5, W5 V CC I
Analog Supply Voltage, +5V. Supplies T/H amplifier, clock distri-
bution, bandgap reference, and reference amplifier.
CONTACT
A8, B8, C8, U6, V6, W6 GNDA Analog Ground. For comparator array.
A9, B9, C9, U7, V7, W7 V CC A Analog Supply Voltage, +5V. Supplies analog comparator array.
A11, B11, B16, B17, C11, C16, U9, U17,
V9, V17, V18, W9
GNDD Digital Ground
A10, E17, F2, P3, R17, R18 TESTPOINT (T.P.) Test Point. Do not connect.