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AD797ARZ-REEL7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
AD797 Data Sheet
Rev. K | Page 6 of 19
TYPICAL PERFORMANCE CHARACTERISTICS
00846-004
20
0
0
20
15
5
5
10
10 15
INPUT COMMON-MODE RANGE (±V)
SUPPLY VOLTAGE (±V)
Figure 3. Input Common-Mode Voltage Range vs. Supply Voltage
00846-005
OUTPUT VOLTAGE SWING (±V)
20
0
0
20
15
5
5
10
10
15
SUPPLY VOLTAGE (±V)
–V
OUT
+V
OUT
Figure 4. Output Voltage Swing vs. Supply Voltage
00846-006
OUTPUT VOLTAGE SWING (V p-p)
LOAD RESISTANCE (Ω)
30
10
0
10 100 10k1k
20
V
S
= ±5
V
S
= ± 15V
Figure 5. Output Voltage Swing vs. Load Resistance
00846-007
HORIZONTAL SCALE (5sec/DIV)
VERTIC
A
L SCALE (0.01µV/DIV)
Figure 6. 0.1 Hz to 10 Hz Noise
00846-008
TEMPERATURE (°C)
INPUT BIAS CURRENT (µA)
–60 140–40 100 120806040200–20
–2.0
–1.5
–1.0
–0.5
0
Figure 7. Input Bias Current vs. Temperature
00846-009
TEMPERATURE (°C)
SHORT-CIRCUIT CURRENT (mA)
140
140
100
60
–40
80
–60
120
120100
80
6040200–20
40
SOURCE CURRENT
SINK CURRENT
Figure 8. Short-Circuit Current vs. Temperature
Data Sheet AD797
Rev. K | Page 7 of 19
00846-010
SUPPLY VOLTAGE (±V)
QUIESCENT SUPPLY CURRENT (mA)
205150
10
11
6
9
7
8
10
+125°C
+25°C
–55°C
Figure 9. Quiescent Supply Current vs. Supply Voltage
00846-011
SUPPLY VOLTAGE (±V)
OUTPUT VOLTAGE (V rms)
1
2
0
0
±20
9
3
±5
6
±10 ±15
f = 1kHz
R
L
= 600Ω
G = +10
Figure 10. Output Voltage vs. Supply Voltage for 0.01% Distortion
00846-012
STEP SIZE (V)
SETTLING TIME (µs)
1.0
0
10
0.6
0.2
2
0.4
0
0.8
864
0.0015%
0.01%
Figure 11. Settling Time vs. Step Size (±)
00846-013
FREQUENCY (Hz)
POWER SUPPLY REJECTION (dB)
20
1M
80
40
10
60
1
120
100
100k10k1k100
140
50
75
100
125
150
175
200
CMR
COMMON MODE REJECTION (dB)
PSR
–SUPPLY
PSR
+SUPPLY
Figure 12. Power Supply and Common-Mode Rejection vs. Frequency
00846-014
OUTPUT LEVEL (V)
THD + NOISE (dB)
–
60
–100
–120
0.01 0.1 101
–80
R
L
= 600Ω
G = +10
f = 10kHz
NOISE BW = 100kHz
V
S
=
±5V
V
S
= ±1
5V
Figure 13. Total Harmonic Distortion (THD) + Noise vs. Output Level
00846-015
30
10
0
10k 100k 10M1M
20
±5V SUPPLIES
±15V SUPPLIES
R
L
= 600Ω
FREQUENCY (Hz)
OUTPUT VOLTAGE (V p-p)
Figure 14. Large-Signal Frequency Response
AD797 Data Sheet
Rev. K | Page 8 of 19
00846-016
5
0
10M
3
1
100
2
10
4
1M100k10k1k
FREQUENCY (Hz)
INPUT VOLTAGE NOISE (nV/√Hz)
Figure 15. Input Voltage Noise Spectral Density
00846-017
FREQUENCY (Hz)
OPEN-LOOP GAIN (dB)
120
0
100M
60
20
1k
40
100
100
80
10M1M100k10k
100
80
60
40
20
0
PHASE MARGIN (Degrees)
PHASE MARGIN
GAIN
WITHOUT
R
S
*
WITHOUT
R
S
*
WITH R
S
*
WITH R
S
*
*R
S
= 100
*SEE FIGURE 26.
Figure 16. Open-Loop Gain and Phase Margin vs. Frequency
00846-018
TEMPERATURE (°C)
INPUT OFFSET CURRENT (nA)
–60 140–40 100 120806040200–20
300
150
0
–150
–300
UNDER COMPENSATED
OVERCOMPENSATED
Figure 17. Input Offset Current vs. Temperature
1
10
100
1 10 100 1k 10k
CURRENT NOISE DENSITY (pA/√Hz)
FREQUENCY (Hz)
00846-055
Figure 18. Current Noise Density V
S
= ±15 V
00846-019
TEMPERATURE (°C)
SLEW R
A
TE (V/µs)
GAIN/BANDWIDTH PRODUCT (MHz (G = 1000))
–60 140–40 100 120806040200–20
120
110
100
90
80
35
30
25
20
15
GAIN/BANDWIDTH PRODUCT
SLEW RATE
RISING EDGE
SLEW RATE
FALLING EDGE
Figure 19. Slew Rate and Gain/Bandwidth Product vs. Temperature
00846-020
LOAD RESISTANCE (Ω)
OPEN-LOOP GAIN (dB)
100 10k
1k
160
100
120
140
Figure 20. Open-Loop Gain vs. Load Resistance
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

AD797ARZ-REEL7

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Microphone Preamplifiers Ultralow Distortion Ultralow Noise
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