AD605–Typical Performance Characteristics (per Channel)
(VREF = 2.5 V (20 dB/V Scaling), f = 1 MHz, RL = 500 ⍀, CL = 5 pF, TA = 25؇C, VSS = 5 V)
40
–40 C, +25 C, +85 C
30
20
10
0
–10
–20
0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9
VGN (V)
TPC 1. Gain vs. VGN
50
40
30
FBK (OPEN)
20
FBK (SHORT)
10
0
–10
–20
0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9
VGN (V)
TPC 2. Gain vs. VGN for Different
Gain Ranges
40
30
30dB/V
20 (VREF = 1.67V)
ACTUAL
ACTUAL
10
20dB/V
(VREF = 2.50V)
0
–10
–20
0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9
VGN (V)
TPC 3. Gain vs. VGN for Different
Gain Scalings
40.0
37.5
THEORETICAL
35.0
32.5
ACTUAL
30.0
27.5
25.0
22.5
20.0
1.25 1.50 1.75 2.00 2.25 2.50
VREF (V)
TPC 4. Gain Scaling vs. VREF
3.0
2.5
2.0
1.5
1.0
–40 C
0.5
0.0
–0.5
+25 C
–1.0
+85 C
–1.5
–2.0
–2.5
–3.0
0.2
0.7
1.2
1.7
2.2
2.7
VGN (V)
TPC 5. Gain Error vs. VGN at
Different Temperatures
2.0
1.5
1.0
f = 1MHz
0.5
0.0
f = 5MHz
–0.5
f = 10MHz
–1.0
–1.5
–2.0
0.2
0.7
1.2
1.7
2.2
2.7
VGN (V)
TPC 6. Gain Error vs. VGN at
Different Frequencies
TPC 7. Gain Error vs. VGN for
Different Gain Scalings
20
18
N = 50
⌬G(dB) =
16
G(CH1) – G(CH2)
14
12
10
8
6
4
2
0
–0.8 –0.6 –0.4 –0.2 0.0 0.2 0.4 0.6 0.8
DELTA GAIN (dB)
TPC 8. Gain Match, VGN1 = VGN2 =
1.0 V
20
18 N = 50
⌬G(dB) =
16 G(CH1) – G(CH2)
14
12
10
8
6
4
2
0
–0.8 –0.6 –0.4 –0.2 0.0 0.2 0.4 0.6 0.8
DELTA GAIN (dB)
TPC 9. Gain Match, VGN1 = VGN2 =
2.50 V
–4–
REV. C