Analog Devices manual AD600/AD602-TypicalPerformance Characteristics, Rev. A

AD600/AD602–Typical Performance Characteristics

	0.45
	0.35
	0.25
dB	0.15
–	–0.05
ERROR
	0.05
GAIN	–0.15
	–0.25
	–0.35
	–0.45
	–0.7	–0.5	–0.3	–0.1	0.1	0.3	0.5	0.7

GAIN CONTROL VOLTAGE – Volts

Figure 35. Gain Error vs. Gain Control Voltage

	10.0
	9.8
	9.6
ns	9.4
–
DELAY	9.2
GROUP	9.0
	8.6
	8.8
	8.4
	8.2
	8.0
	–0.7	–0.5	–0.3	–0.1	0.1	0.3	0.5	0.7

GAIN CONTROL VOLTAGE – Volts

Figure 38. AD600 and AD602 Typical Group Delay vs. VC

	102
	101	GAIN=40dB
	100
– Ω	99
IMPEDANCE	96		GAIN=20dB
	98
	97		GAIN=0dB
INPUT	95
	94
	93
	92
	100k	1M	10M	100M
		FREQUENCY – Hz

Figure 41. Input Impedance vs. Frequency

20dB

17dB

0°

–45°

–90°

100k 1M 10M 100M

FREQUENCY – Hz

Figure 36. AD600 Frequency and Phase Response vs. Gain

VG =0V 10dB/DIV

CENTER FREQ 1MHz 10kHz/DIV

Figure 39. Third Order Intermodula- tion Distortion, VOUT = 2 V p-p,

RL = 500 Ω

	6
– mV	5
	4
VOLTAGE	AD600
	3
	2
	AD602
OFFSET	1
	0
OUTPUT	–1
	–2
	–3

–4

–0.7 –0.5 –0.3 –0.1 0.1 0.3 0.5 0.7

GAIN CONTROL VOLTAGE – Volts

Figure 42. Output Offset vs. Gain Control Voltage (Control Channel Feedthrough)

10dB

7dB

0°

–45°

–90°

100k 1M 10M 100M

FREQUENCY – Hz

Figure 37. AD602 Frequency and Phase Response vs. Gain

Volts	–1.0
	–1.2
–	–1.4
LIMIT
	–1.6
VOLTAGE
	–1.8
	–2.0
OUTPUT	–2.2
	–2.4
	–2.6
NEGATIVE	–2.8
	–3.0
	–3.2
	–3.4

050 100 200 500 1000 2000 LOAD RESISTANCE – Ω

Figure 40. Typical Output Voltage vs. Load Resistance (Negative Out- put Swing Limits First)

￿1V VOUT ￿1∝S

1￿ 00

90￿

OUTPUT

10￿

0￿ %

INPUT

1V￿ VC

Figure 43. Gain Control Channel Response Time. Top: Output Volt- age, 2 V max, Bottom: Gain Con- trol Voltage VC = ±625 mV

–18– REV. A