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ZHCSJS1E September 2008 – September 2019 TLV320AIC3204

PRODUCTION DATA.

封裝選項

機械數(shù)據(jù) (封裝 | 引腳)

RHB|32
- MPQF130D

散熱焊盤機械數(shù)據(jù) (封裝 | 引腳)

RHB|32
- QFND029X

訂購信息

7.5 Electrical Characteristics, ADC

At 25°C, AV_DD, DV_DD, IOV_DD = 1.8V, LDOIN = 3.3V, AV_DD and DV_DD LDO disabled, f_s (Audio) = 48kHz, C_ref = 10µF on REF pin, PLL disabled unless otherwise noted.

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
AUDIO ADC⁽¹⁾⁽²⁾
	Input signal level (0dB)	Single-ended, CM = 0.9V		0.5		V_RMS
	Device Setup	1kHz sine wave input , Single-ended Configuration IN1_R to Right ADC and IN1_L to Left ADC, R_in = 20K, f_s = 48kHz, AOSR = 128, MCLK = 256 x f_s, PLL Disabled; AGC = OFF, Channel Gain = 0dB, Processing Block = PRB_R1, Power Tune = PTM_R4
SNR	Signal-to-noise ratio, A-weighted⁽¹⁾⁽²⁾	Inputs ac-shorted to ground	80	93		dB
SNR	Signal-to-noise ratio, A-weighted⁽¹⁾⁽²⁾	IN2_R, IN3_R routed to Right ADC and ac-shorted to ground IN2_L, IN3_L routed to Left ADC and ac-shorted to ground		93		dB
DR	Dynamic range A-weighted⁽¹⁾⁽²⁾	–60dB full-scale, 1-kHz input signal		92		dB
THD+N	Total Harmonic Distortion plus Noise	–3 dB full-scale, 1-kHz input signal		–85	–70	dB
THD+N	Total Harmonic Distortion plus Noise	IN2_R, IN3_R routed to Right ADC IN2_L, IN3_L routed to Left ADC –3dB full-scale, 1-kHz input signal		–85		dB
AUDIO ADC
	Input signal level (0dB)	Single-ended, CM = 0.75V, AV_DD = 1.5V		0.375		V_RMS
	Device Setup	1kHz sine wave input, Single-ended Configuration IN1_R, IN2_R, IN3_R routed to Right ADC IN1_L, IN2_L, IN3_L routed to Left ADC R_in = 20kΩ, f_s = 48kHz, AOSR = 128, MCLK = 256 x f_s, PLL Disabled, AGC = OFF, Channel Gain = 0dB, Processing Block = PRB_R1 Power Tune = PTM_R4
SNR	Signal-to-noise ratio, A-weighted ⁽¹⁾⁽²⁾	Inputs ac-shorted to ground		91		dB
DR	Dynamic range A-weighted⁽¹⁾⁽²⁾	–60dB full-scale, 1-kHz input signal		90		dB
THD+N	Total Harmonic Distortion plus Noise	–3dB full-scale, 1-kHz input signal		–80		dB
AUDIO ADC
	Input signal level (0dB)	Differential Input, CM = 0.9V		10		mV
	Device Setup	1kHz sine wave input, Differential configuration IN1_L and IN1_R routed to Right ADC IN2_L and IN2_R routed to Left ADC R_in = 10K, f_s = 48kHz, AOSR = 128 MCLK = 256* f_s PLL Disabled AGC = OFF, Channel Gain = 40dB Processing Block = PRB_R1, Power Tune = PTM_R4
ICN	Idle-Channel Noise, A-weighted⁽¹⁾⁽²⁾	Inputs ac-shorted to ground, input referred noise		2		μV_RMS
AUDIO ADC
	Gain Error	1kHz sine wave input , Single-ended configuration R_in = 20kΩ f_s = 48kHz, AOSR = 128, MCLK = 256 x f_s, PLL Disabled AGC = OFF, Channel Gain = 0dB Processing Block = PRB_R1, Power Tune = PTM_R4, CM = 0.9V		–0.05		dB
	Input Channel Separation	1kHz sine wave input at -3dBFS Single-ended configuration IN1_L routed to Left ADC IN1_R routed to Right ADC, R_in = 20kΩ AGC = OFF, AOSR = 128, Channel Gain = 0dB, CM = 0.9V		108		dB
	Input Pin Crosstalk	1kHz sine wave input at –3dBFS on IN2_L, IN2_L internally not routed. IN1_L routed to Left ADC ac-coupled to ground		115		dB
		1kHz sine wave input at –3dBFS on IN2_R, IN2_R internally not routed. IN1_R routed to Right ADC ac-coupled to ground
		Single-ended configuration R_in = 20kΩ, AOSR = 128 Channel, Gain = 0dB, CM = 0.9V
	PSRR	217Hz, 100mVpp signal on AV_DD, Single-ended configuration, R_in = 20kΩ, Channel Gain = 0dB; CM = 0.9V		55		dB
	ADC programmable gain amplifier gain	Single-Ended, R_in = 10kΩ, PGA gain set to 0dB		0		dB
		Single-Ended, R_in = 10kΩ, PGA gain set to 47.5dB		47.5		dB
		Single-Ended, R_in = 20kΩ, PGA gain set to 0dB		–6		dB
		Single-Ended, R_in = 20kΩ, PGA gain set to 47.5dB		41.5		dB
		Single-Ended, R_in = 40kΩ, PGA gain set to 0dB		–12		dB
		Single-Ended, R_in = 40kΩ, PGA gain set to 47.5dB		35.5		dB
	ADC programmable gain amplifier step size	1-kHz tone		0.5		dB

(1) Ratio of output level with 1kHz full-scale sine wave input, to the output level with the inputs short circuited, measured A-weighted over a 20Hz to 20kHz bandwidth using an audio analyzer.

(2) All performance measured with 20kHz low-pass filter and, where noted, A-weighted filter. Failure to use such a filter may result in higher THD+N and lower SNR and dynamic range readings than shown in the Electrical Characteristics. The low-pass filter removes out-of-band noise, which, although not audible, may affect dynamic specification values.