TDA8765 Datasheet, PDF (7/20 Pages) NXP Semiconductors – 10-bit high-speed Analog-to-Digital Converter ADC

Philips Semiconductors
10-bit high-speed Analog-to-Digital
Converter (ADC)
Preliminary specification
TDA8765
CHARACTERISTICS
V_CCA = V₂ to V₄₄, V₉ to V₁₀, V₃ to V₄ and V₄₁ to V₄₀ = 4.75 to 5.25 V; V_CCD = V₃₇ to V₃₈ and V₁₅ to V₁₇ = 4.75 to 5.25 V;
V_CCO = V₃₃ to V₃₄ = 3.0 to 5.25 V; AGND and DGND shorted together; T_amb = 0 to 85 °C; typical values measured at
V_CCA = V_CCD = 5 V and V_CCO = 3.3 V, T_amb = 25 °C, V_I(p-p) − V_I(p-p) = 2.0 V and C_L = 10 pF; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
Supply
V_CCA
V_CCD
V_CCO
I_CCA
I_CCD
I_CCO
analog supply voltage
digital supply voltage
output supply voltage
analog supply current
digital supply current
output supply current
Inputs
f_CLK = 4 MHz; f_i = 400 kHz
f_CLK = 40 MHz;
f_i = 4.43 MHz
4.75
4.75
3.0
−
−
−
−
5.0
5.25 V
5.0
5.25 V
3.3
5.25 V
33
45
mA
30
37
mA
3.2
tbf
mA
11
tbf
mA
CLK AND CLK (REFERENCED TO DGND)
V_IL
V_IH
I_IL
I_IH
Z_i
C_i
∆V_CLK(p-p)
LOW-level input voltage
HIGH-level input voltage
LOW-level input current
HIGH-level input current
input impedance
input capacitance
differential AC input voltage
for switching (V_CLK − V_CLK;
peak-to-peak value)
V_CCD = 5 V; note 1
V_CCD = 5 V; note 1
V_CLK or V_CLK = 3.19 V
V_CLK or V_CLK = 3.83 V
f_CLK = 40 MHz
f_CLK = 40 MHz
DC voltage level = 2.5 V
OTC, SH AND CE (REFERENCED TO DGND); see Tables 2 and 3
V_IL
LOW-level input voltage
V_IH
HIGH-level input voltage
I_IL
LOW-level input current
V_IL = 0.8 V
I_IH
HIGH-level input current
V_IH = 2.0 V
V_I AND V_I (REFERENCED TO AGND; see Table 1); V_REF = V_CCA − 1.825 V
I_IL
LOW-level input current
I_IH
HIGH-level input current
R_i
input resistance
f_i = 4.43 MHz
C_i
input capacitance
f_i = 4.43 MHz
V_I(CM)
common mode input voltage V_I = V_I; output code 511
V_CCA = 5 V
V_CCA = 4.75 V
V_CCA = 5.25 V
3.19
3.83
−10
−
2
−
0.5
0
2.0
−20
−
−
−
100
−
tbf
tbf
tbf
−
3.52 V
−
4.12 V
−
−
µA
−
10
µA
−
−
kΩ
−
2
pF
−
2.0
V
−
0.8
V
−
V_CCD V
−
−
µA
−
20
µA
10
−
µA
10
−
µA
−
−
kΩ
−
2
pF
3.6
tbf
V
3.35
tbf
V
3.85
tbf
V
1999 Jan 06
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