Datasheet

AD7304/AD7305
Rev. C | Page 11 of 20
CS
5V
0V
0V
V
OUT
01114-016
V
DD
= 5V
V
REF
= 4V
DATA = 0x00 0xFF
2µs/DIV
Figure 16. Large-Signal Settling Time
V
OUT
A
–5V
0V
+5V
–5V
0V
+5V
V
REFIN
(±5V @
50kHz)
DATA = 0xFF
01114-017
2µs/DIV
Figure 17. Multiplying Mode Step Response and Output Slew Rate
FREQUENCY (Hz)
6
–8
10k 10M
GAIN (dB)
4
1M100k
0
–4
–6
V
DD
= +5V
V
SS
= –5V
DATA = 0xFF
V
REF
= 100mV rms
f
–3dB
= 2.6MHz
01114-018
Figure 18. Multiplying Mode Gain vs. Frequency
V
OUT
CS
R
L
= 10kΩ
R
L
= 70kΩ
NO LOAD
V
DD
= 5V
C
L
= 150pF
01114-019
5µs/DIV
Figure 19. Time to Shutdown
CS
V
OUT
I
DD
1mA/V
V
DD
= 5V
01114-020
Figure 20. Shutdown Recovery Time (Wakeup)
V
REF
AMPLITUDE (V p-p)
10
1
0.001
10m 101
THD (%)
23456789
0.1
0.01
V
DD
= +5V
V
SS
= –5V
01114-021
Figure 21. THD vs. Reference Input Amplitude