Datasheet MAX9727 (Maxim) - 5
| Manufacturer | Maxim |
| Description | Quad Audio Line Driver with 3VRMS Output |
| Pages / Page | 13 / 5 — Quad Audio Line Driver with 3VRMS Output. MAX9727. Typical Operating … |
| File Format / Size | PDF / 526 Kb |
| Document Language | English |
Quad Audio Line Driver with 3VRMS Output. MAX9727. Typical Operating Characteristics (continued). OUTPUT VOLTAGE
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Quad Audio Line Driver with 3VRMS Output MAX9727 Typical Operating Characteristics (continued)
(VDD = PVDD = 3.3V, VCM = 0V, RIN = RF = 5kΩ, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
OUTPUT VOLTAGE OUTPUT VOLTAGE OUTPUT VOLTAGE vs. SUPPLY VOLTAGE vs. LOAD RESISTANCE vs. LOAD RESISTANCE
4.0 4.5 3.0 fIN = 1kHz VDD = 5V VDD = 3.3V 4.0 R 3.5 L = 1kΩ 2.5 MAX9727 toc10 MAX9727 toc11 MAX9727 toc12 ) 3.5 ) RMS RMS RMS 3.0 THD+N = 10% 3.0 THD+N = 10% 2.0 2.5 THD+N = 1% THD+N = 10% 2.5 1.5 THD+N = 1% 2.0 2.0 1.5 1.0 OUTPUT VOLTAGE (V THD+N = 1% OUTPUT VOLTAGE (V OUTPUT VOLTAGE (V 1.0 1.5 0.5 0.5 1.0 0 0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 0 2 4 6 8 10 0 2 4 6 8 10 SUPPLY VOLTAGE (V) LOAD RESISTANCE (kΩ) LOAD RESISTANCE (kΩ)
CHARGE-PUMP OUTPUT VOLTAGE CHARGE-PUMP OUTPUT VOLTAGE GAIN AND PHASE vs. OUTPUT CURRENT vs. OUTPUT CURRENT vs. FREQUENCY
1.0 3 VDD = 3.3V V AV = 60dB 0.5 DD = 5V OUTPUTS UNLOADED, 2 OUTPUTS UNLOADED, 60 MAX9727 toc13 0 CHARGE-PUMP LOAD MAX9727 toc14 CHARGE-PUMP LOAD MAX9727 toc15 1 CONNECTED BETWEEN CONNECTED BETWEEN -0.5 PVSS AND PGND 0 PVSS AND PGND 0 GAIN -1.0 -1 -1.5 -2 -60 OUTPUT VOLTAGE (V) -2.0 -3 C1 = C2 = C3 = 1µF OUTPUT VOLTAGE (V) C1 = C2 = C3 = 1µF -2.5 GAIN/PHASE (dB/DEGREES) -4 -120 PHASE C1 = C2 = C3 = 0.22µF C1 = C2 = C3 = 0.22µF -3.0 -5 C1 = C2 = C3 = 0.1µF C1 = C2 = C3 = 0.1µF -3.5 -6 -180 0 20 40 60 80 100 120 0 50 100 150 200 0.1 1 10 100 1000 10,000 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) FREQUENCY (kHz)
POWER-SUPPLY REJECTION RATIO CROSSTALK vs. FREQUENCY CROSSTALK vs. FREQUENCY vs. FREQUENCY
0 -80 -80 VDD = 5V VDD = 3.3V RL = 1kΩ VOUT = 3VRMS VOUT = 2VRMS -10 -90 -90 RL = 1kΩ MAX9727 toc17 R MAX9727 toc16 L = 1kΩ MAX9727 toc18 -20 Ch. D to Ch. A -100 -100 -30 -40 -110 -110 Ch. D to Ch. C PSRR (dB) Ch. D to Ch. A -50 CROSSTALK (dB) CROSSTALK (dB) VDD = 5V + 100mVP-P -120 -120 Ch. D to Ch. B -60 -130 -130 -70 Ch. D to Ch. B VDD = 3.3V + 100mVP-P Ch. D to Ch. C -80 -140 -140 10 100 1k 10k 100k 10 100 1k 10k 100k 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz)
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(VDD = PVDD = 3.3V, VCM = 0V, RIN = RF = 5kΩ, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
OUTPUT VOLTAGE OUTPUT VOLTAGE OUTPUT VOLTAGE vs. SUPPLY VOLTAGE vs. LOAD RESISTANCE vs. LOAD RESISTANCE
4.0 4.5 3.0 fIN = 1kHz VDD = 5V VDD = 3.3V 4.0 R 3.5 L = 1kΩ 2.5 MAX9727 toc10 MAX9727 toc11 MAX9727 toc12 ) 3.5 ) RMS RMS RMS 3.0 THD+N = 10% 3.0 THD+N = 10% 2.0 2.5 THD+N = 1% THD+N = 10% 2.5 1.5 THD+N = 1% 2.0 2.0 1.5 1.0 OUTPUT VOLTAGE (V THD+N = 1% OUTPUT VOLTAGE (V OUTPUT VOLTAGE (V 1.0 1.5 0.5 0.5 1.0 0 0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 0 2 4 6 8 10 0 2 4 6 8 10 SUPPLY VOLTAGE (V) LOAD RESISTANCE (kΩ) LOAD RESISTANCE (kΩ)
CHARGE-PUMP OUTPUT VOLTAGE CHARGE-PUMP OUTPUT VOLTAGE GAIN AND PHASE vs. OUTPUT CURRENT vs. OUTPUT CURRENT vs. FREQUENCY
1.0 3 VDD = 3.3V V AV = 60dB 0.5 DD = 5V OUTPUTS UNLOADED, 2 OUTPUTS UNLOADED, 60 MAX9727 toc13 0 CHARGE-PUMP LOAD MAX9727 toc14 CHARGE-PUMP LOAD MAX9727 toc15 1 CONNECTED BETWEEN CONNECTED BETWEEN -0.5 PVSS AND PGND 0 PVSS AND PGND 0 GAIN -1.0 -1 -1.5 -2 -60 OUTPUT VOLTAGE (V) -2.0 -3 C1 = C2 = C3 = 1µF OUTPUT VOLTAGE (V) C1 = C2 = C3 = 1µF -2.5 GAIN/PHASE (dB/DEGREES) -4 -120 PHASE C1 = C2 = C3 = 0.22µF C1 = C2 = C3 = 0.22µF -3.0 -5 C1 = C2 = C3 = 0.1µF C1 = C2 = C3 = 0.1µF -3.5 -6 -180 0 20 40 60 80 100 120 0 50 100 150 200 0.1 1 10 100 1000 10,000 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) FREQUENCY (kHz)
POWER-SUPPLY REJECTION RATIO CROSSTALK vs. FREQUENCY CROSSTALK vs. FREQUENCY vs. FREQUENCY
0 -80 -80 VDD = 5V VDD = 3.3V RL = 1kΩ VOUT = 3VRMS VOUT = 2VRMS -10 -90 -90 RL = 1kΩ MAX9727 toc17 R MAX9727 toc16 L = 1kΩ MAX9727 toc18 -20 Ch. D to Ch. A -100 -100 -30 -40 -110 -110 Ch. D to Ch. C PSRR (dB) Ch. D to Ch. A -50 CROSSTALK (dB) CROSSTALK (dB) VDD = 5V + 100mVP-P -120 -120 Ch. D to Ch. B -60 -130 -130 -70 Ch. D to Ch. B VDD = 3.3V + 100mVP-P Ch. D to Ch. C -80 -140 -140 10 100 1k 10k 100k 10 100 1k 10k 100k 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz)
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