TDA8792 Datasheet, PDF (7/20 Pages) NXP Semiconductors – 3.3 V, 25 MHz 8-bit analog-to-digital converter ADC

Philips Semiconductors
3.3 V, 25 MHz 8-bit
analog-to-digital converter (ADC)
Product specification
TDA8792
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
Outputs
DIGITAL OUTPUTS D7 TO D0 (REFERENCED TO V_SSO)
V_OL
LOW level output voltage
V_OH
HIGH level output voltage
I_OZ
output current in 3-state mode
Switching characteristics
I_O = 1 mA
I_O = −1 mA
0.4 V < V_O < V_DDO
0
−
V_DDO − 0.4 −
−10
−
0.4 V
V_DDO V
+10 µA
CLOCK INPUT CLK (V_DDA = 3.15 TO 3.45 V; V_DDD = 3.15 TO 3.45 V); see Fig.3 and note 1
f_clk(max)
f_clk(min)
t_CPH
t_CPL
maximum clock frequency
minimum clock frequency
clock pulse width HIGH
clock pulse width LOW
25
−
−
MHz
0.5
−
−
MHz
16
−
−
ns
16
−
−
ns
Analog signal processing
LINEARITY
INL
DNL
integral non-linearity
differential non-linearity
ramp input
−
ramp input
−
BANDWIDTH (V_DDA = 3.15 TO 3.45 V; V_DDD = 3.15 TO 3.45 V); T_AMB = 25 °C
B
analog bandwidth
full-scale sine wave;
20
note 2
small signal at mid-scale; −
V_i = ±10 LSB at
code 128; note 2
t_STLH
analog input settling time LOW-to-HIGH full-scale square wave; −
Fig.5; note 3
t_STHL
analog input settling time HIGH-to-LOW full-scale square wave; −
Fig.5; note 3
HARMONICS
h₁
fundamental harmonics (full scale)
f_i = 4.43 MHz
−
h_all
harmonics (full scale); all components f_i = 4.43 MHz
second harmonics
−
third harmonics
−
THD
total harmonic distortion
f_i = 4.43 MHz
−
SIGNAL-TO-NOISE RATIO; see Figs 6 and 11; note 4
S/N
signal-to-noise ratio (full scale)
without harmonics;
−
f_clk = 25 MHz;
f_i = 4.43 MHz
±0.4 ±0.8 LSB
±0.3 ±0.75 LSB
30
−
35
−
MHz
MHz
8
12
ns
8
12
ns
−
0
dB
−61 −
dB
−61 −
dB
−58 −
dB
46
−
dB
1996 Feb 21
7