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TS924AIYDT-TS924AIYPT-TS924IYDT-TS924IYPT
Excellent audio performance / low distortion (0.005%)
June 2014 DocID5065 Rev 11 1/18
TS924, TS924ARail-to-rail output current quad operational amplifier
Datasheet - production data
Features Rail-to-rail input and output Low noise: 9 nV/√ Hz Low distortion High output current: 80 mA
(able to drive 32 Ω loads) High-speed: 4 MHz, 1.3 V/µs Operating range from 2.7 V to 12 V Low input offset voltage: 900 µV max.
(TS924A) ESD internal protection: 3 kV Latch-up immunity Macromodel included in this specification
Related products See the TS921 device for the single version
and the TS922 device for the dual version See the TSX56x series for smaller packages
Applications Headphone amplifiers Piezoelectric speaker drivers Sound cards MPEG boards, multimedia systems Line drivers, buffers Cordless telephones and portable
communication equipment Instrumentation with low noise as key factor
DescriptionThe TS924 and TS924A devices are rail-to-rail
quad BiCMOS operational amplifiers optimized
and fully specified for 3 V and 5 V operation.
High output current allows low load impedances
to be driven.
The TS924 and TS924A devices exhibit a very
low noise, low distortion, low offset, and high
output current capability, making these devices an
excellent choice for high-quality, low-voltage, and
battery-operated audio systems.
The devices are stable for capacitive loads up to
500 pF.
Contents TS924, TS924A2/18 DocID5065 Rev 11
Contents Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Macromodel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103.1 Important note concerning this macromodel . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Electrical characteristics from macromodelization . . . . . . . . . . . . . . . . . . 10
3.3 Macromodel code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134.1 SO14 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.2 TSSOP14 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
DocID5065 Rev 11 3/18
TS924, TS924A Absolute maximum ratings and operating conditions Absolute maximum ratings and operating conditions
Table 1. Absolute maximum ratings All voltage values, except the differential voltage, are with respect to network ground terminal. The differential voltage is the non-inverting input terminal with respect to the inverting input terminal. If Vid > ±1 V, the maximum input current must not exceed ±1 mA. In this case (Vid > ±1 V), an input series resistor must be added to limit input current. Do not exceed 14 V. Short-circuits can cause excessive heating and destructive dissipation. Rth are typical values. Human body model: a 100 pF capacitor is charged to the specified voltage, then discharged through a 1.5 kΩ resistor between two pins of the device. This is done for all couples of connected pin combinations while the other pins are floating. Machine model: a 200 pF capacitor is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (internal resistor < 5 Ω ). This is done for all couples of connected pin combinations while the other pins are floating. Charged device model: all pins and the package are charged together to the specified voltage and then discharged directly to ground through only one pin. This is done for all pins. There is no short-circuit protection inside the device: short-circuits from the output to VCC can cause excessive heating. The maximum output current is approximately 80 mA, independent of the magnitude of VCC. Destructive dissipation can result from simultaneous short-circuits on all amplifiers.
Table 2. Operating conditions
Electrical characteristics TS924, TS924A
4/18 DocID5065 Rev 11
2 Electrical characteristics
Table 3. Electrical characteristics at VCC+ = +3 V with VCC- = 0 V, Vicm = VCC+/2, Tamb = 25 °C, and
RL connected to VCC+/2 (unless otherwise specified)
DocID5065 Rev 11 5/18
TS924, TS924A Electrical characteristics
Table 3. Electrical characteristics at VCC+ = +3 V with VCC- = 0 V, Vicm = VCC+/2, Tamb = 25 °C, and
RL connected to VCC+/2 (unless otherwise specified) (continued)
Electrical characteristics TS924, TS924A
6/18 DocID5065 Rev 11
Table 4. VCC+ = +5 V, VCC- = 0 V, Vicm = VCC/2, Tamb = 25 °C, RL connected to VCC/2
(unless otherwise specified)
TS924, TS924A Electrical characteristics
Figure 1. Output short-circuit current
vs. output voltage (VCC = 0/12 V)
Figure 2. Output short-circuit current
vs. output voltage (VCC = 0/3 V)
Figure 3. Voltage gain and phase vs. frequency
(CL = 500 pF, VCC = ±1.5 V)
Figure 4. Output short-circuit current
vs. output voltage (VCC = 0/5 V)
Figure 5. Voltage gain and phase vs. frequency
(RL = 10 kΩ, CL = 100 pF, VCC = ±1.5 V)
Figure 6. THD + noise vs. frequency (RL = 2 kΩ,
VO = 10 Vpp, VCC = ±6 V, Av = -1)
Electrical characteristics TS924, TS924A DocID5065 Rev 11
Figure 7. THD + noise vs. frequency (RL = 2 kΩ,
VO = 10 Vpp, VCC = ±6 V, Av = 1)
Figure 8. THD + noise vs. frequency (RL = 32 Ω,
VO = 2 Vpp, VCC = ±1.5 V, Av = 10)
Figure 9. THD + noise vs. Vout (RL = 32 Ω,
f = 1 kHz, VCC = ±1.5 V, Av = -1)
Figure 10. THD + noise vs. frequency (RL = 32 Ω, O = 4 Vpp, VCC = ±2.5 V, Av = 1)
Figure 11. THD + noise vs. Vout (RL = 600 Ω,
f = 1 kHz, VCC = ±1.5 V , Av = -1)
Figure 12. THD + noise vs. Vout (RL = 2 kΩ,
f = 1 kHz, VCC = ±1.5 V, Av = -1)
DocID5065 Rev 11 9/18
TS924, TS924A Electrical characteristics
Figure 13. PSRR for TS924/TS924A at VCC = 5 V, Vicm = 2.5 V, T = 25 °C, RI = 100 kΩ,
and CI = 100pF
